diff --git a/Plugins/Wox.Plugin.WebSearch/Languages/de.xaml b/Plugins/Wox.Plugin.WebSearch/Languages/de.xaml
index 1ff21cba4a..9cc70038b5 100644
--- a/Plugins/Wox.Plugin.WebSearch/Languages/de.xaml
+++ b/Plugins/Wox.Plugin.WebSearch/Languages/de.xaml
@@ -5,6 +5,7 @@
     <system:String x:Key="wox_plugin_websearch_delete">Löschen</system:String>
     <system:String x:Key="wox_plugin_websearch_edit">Bearbeiten</system:String>
     <system:String x:Key="wox_plugin_websearch_add">Hinzufügen</system:String>
+    <system:String x:Key="wox_plugin_websearch_confirm">Confirm</system:String>
     <system:String x:Key="wox_plugin_websearch_action_keyword">Aktionsschlüsselwort</system:String>
     <system:String x:Key="wox_plugin_websearch_url">URL</system:String>
     <system:String x:Key="wox_plugin_websearch_search">Suche</system:String>
@@ -12,7 +13,7 @@
     <system:String x:Key="wox_plugin_websearch_pls_select_web_search">Bitte wähle einen Suchdienst</system:String>
     <system:String x:Key="wox_plugin_websearch_delete_warning">Willst du wirklich {0} löschen?</system:String>
 
-    
+
     <!--web search edit-->
     <system:String x:Key="wox_plugin_websearch_title">Titel</system:String>
     <system:String x:Key="wox_plugin_websearch_enable">Aktivieren</system:String>
diff --git a/Plugins/Wox.Plugin.WebSearch/Languages/en.xaml b/Plugins/Wox.Plugin.WebSearch/Languages/en.xaml
index cdfc44cb39..f3d8135ca3 100644
--- a/Plugins/Wox.Plugin.WebSearch/Languages/en.xaml
+++ b/Plugins/Wox.Plugin.WebSearch/Languages/en.xaml
@@ -5,13 +5,14 @@
     <system:String x:Key="wox_plugin_websearch_delete">Delete</system:String>
     <system:String x:Key="wox_plugin_websearch_edit">Edit</system:String>
     <system:String x:Key="wox_plugin_websearch_add">Add</system:String>
+    <system:String x:Key="wox_plugin_websearch_confirm">Confirm</system:String>
     <system:String x:Key="wox_plugin_websearch_action_keyword">Action Keyword</system:String>
     <system:String x:Key="wox_plugin_websearch_url">URL</system:String>
     <system:String x:Key="wox_plugin_websearch_search">Search</system:String>
     <system:String x:Key="wox_plugin_websearch_enable_suggestion">Enable search suggestions</system:String>
     <system:String x:Key="wox_plugin_websearch_pls_select_web_search">Please select a web search</system:String>
     <system:String x:Key="wox_plugin_websearch_delete_warning">Are you sure you want to delete {0}?</system:String>
-    
+
     <!--web search edit-->
     <system:String x:Key="wox_plugin_websearch_title">Title</system:String>
     <system:String x:Key="wox_plugin_websearch_enable">Enable</system:String>
diff --git a/Plugins/Wox.Plugin.WebSearch/Languages/pl.xaml b/Plugins/Wox.Plugin.WebSearch/Languages/pl.xaml
index f3bb831aca..fb6acf9410 100644
--- a/Plugins/Wox.Plugin.WebSearch/Languages/pl.xaml
+++ b/Plugins/Wox.Plugin.WebSearch/Languages/pl.xaml
@@ -5,13 +5,14 @@
     <system:String x:Key="wox_plugin_websearch_delete">Usuń</system:String>
     <system:String x:Key="wox_plugin_websearch_edit">Edytuj</system:String>
     <system:String x:Key="wox_plugin_websearch_add">Dodaj</system:String>
+    <system:String x:Key="wox_plugin_websearch_confirm">Confirm</system:String>
     <system:String x:Key="wox_plugin_websearch_action_keyword">Wyzwalacz</system:String>
     <system:String x:Key="wox_plugin_websearch_url">Adres URL</system:String>
     <system:String x:Key="wox_plugin_websearch_search">Szukaj</system:String>
     <system:String x:Key="wox_plugin_websearch_enable_suggestion">Pokazuj podpowiedzi wyszukiwania</system:String>
     <system:String x:Key="wox_plugin_websearch_pls_select_web_search">Musisz wybrać coś z listy</system:String>
     <system:String x:Key="wox_plugin_websearch_delete_warning">Czy jesteś pewnie że chcesz usunąć {0}?</system:String>
-    
+
     <!--web search edit-->
     <system:String x:Key="wox_plugin_websearch_title">Tytuł</system:String>
     <system:String x:Key="wox_plugin_websearch_enable">Aktywne</system:String>
diff --git a/Plugins/Wox.Plugin.WebSearch/Languages/zh-cn.xaml b/Plugins/Wox.Plugin.WebSearch/Languages/zh-cn.xaml
index 8800481360..d580fb0f51 100644
--- a/Plugins/Wox.Plugin.WebSearch/Languages/zh-cn.xaml
+++ b/Plugins/Wox.Plugin.WebSearch/Languages/zh-cn.xaml
@@ -5,6 +5,7 @@
     <system:String x:Key="wox_plugin_websearch_delete">删除</system:String>
     <system:String x:Key="wox_plugin_websearch_edit">编辑</system:String>
     <system:String x:Key="wox_plugin_websearch_add">添加</system:String>
+    <system:String x:Key="wox_plugin_websearch_confirm">确认</system:String>
     <system:String x:Key="wox_plugin_websearch_action_keyword">触发关键字</system:String>
     <system:String x:Key="wox_plugin_websearch_url">URL</system:String>
     <system:String x:Key="wox_plugin_websearch_search">搜索</system:String>
diff --git a/Plugins/Wox.Plugin.WebSearch/Languages/zh-tw.xaml b/Plugins/Wox.Plugin.WebSearch/Languages/zh-tw.xaml
index 9e665167c0..b0882d487c 100644
--- a/Plugins/Wox.Plugin.WebSearch/Languages/zh-tw.xaml
+++ b/Plugins/Wox.Plugin.WebSearch/Languages/zh-tw.xaml
@@ -5,6 +5,7 @@
     <system:String x:Key="wox_plugin_websearch_delete">刪除</system:String>
     <system:String x:Key="wox_plugin_websearch_edit">編輯</system:String>
     <system:String x:Key="wox_plugin_websearch_add">添加</system:String>
+    <system:String x:Key="wox_plugin_websearch_confirm">确认</system:String>
     <system:String x:Key="wox_plugin_websearch_action_keyword">觸發關鍵字</system:String>
     <system:String x:Key="wox_plugin_websearch_url">URL</system:String>
     <system:String x:Key="wox_plugin_websearch_search">搜索</system:String>
@@ -28,5 +29,5 @@
 
     <system:String x:Key="wox_plugin_websearch_plugin_name">網頁搜索</system:String>
     <system:String x:Key="wox_plugin_websearch_plugin_description">提供網頁搜索能力</system:String>
-    
+
 </ResourceDictionary>
\ No newline at end of file
diff --git a/Plugins/Wox.Plugin.WebSearch/Main.cs b/Plugins/Wox.Plugin.WebSearch/Main.cs
index 43f92fad15..ca3bedef0c 100644
--- a/Plugins/Wox.Plugin.WebSearch/Main.cs
+++ b/Plugins/Wox.Plugin.WebSearch/Main.cs
@@ -6,28 +6,26 @@ using System.Linq;
 using System.Threading;
 using System.Threading.Tasks;
 using System.Windows.Controls;
-using JetBrains.Annotations;
 using Wox.Infrastructure;
 using Wox.Infrastructure.Storage;
-using Wox.Plugin.WebSearch.SuggestionSources;
 
 namespace Wox.Plugin.WebSearch
 {
-    public class Main : IPlugin, ISettingProvider, IPluginI18n, IMultipleActionKeywords, ISavable, IResultUpdated
+    public class Main : IPlugin, ISettingProvider, IPluginI18n, ISavable, IResultUpdated
     {
-        public PluginInitContext Context { get; private set; }
+        private PluginInitContext _context;
 
-        private PluginJsonStorage<Settings> _storage;
-        private Settings _settings;
+        private readonly Settings _settings;
+        private readonly SettingsViewModel _viewModel;
         private CancellationTokenSource _updateSource;
         private CancellationToken _updateToken;
 
         public const string Images = "Images";
-        public static string ImagesDirectory;
+        public static readonly string ImagesDirectory;
 
         public void Save()
         {
-            _storage.Save();
+            _viewModel.Save();
         }
 
         public List<Result> Query(Query query)
@@ -36,21 +34,21 @@ namespace Wox.Plugin.WebSearch
             _updateSource = new CancellationTokenSource();
             _updateToken = _updateSource.Token;
 
-            WebSearch webSearch =
-                _settings.WebSearches.FirstOrDefault(o => o.ActionKeyword == query.ActionKeyword && o.Enabled);
+            SearchSource searchSource =
+                _settings.SearchSources.FirstOrDefault(o => o.ActionKeyword == query.ActionKeyword && o.Enabled);
 
-            if (webSearch != null)
+            if (searchSource != null)
             {
                 string keyword = query.Search;
                 string title = keyword;
-                string subtitle = Context.API.GetTranslation("wox_plugin_websearch_search") + " " + webSearch.Title;
+                string subtitle = _context.API.GetTranslation("wox_plugin_websearch_search") + " " + searchSource.Title;
                 if (string.IsNullOrEmpty(keyword))
                 {
                     var result = new Result
                     {
                         Title = subtitle,
                         SubTitle = string.Empty,
-                        IcoPath = webSearch.IconPath
+                        IcoPath = searchSource.IconPath
                     };
                     return new List<Result> { result };
                 }
@@ -62,15 +60,15 @@ namespace Wox.Plugin.WebSearch
                         Title = title,
                         SubTitle = subtitle,
                         Score = 6,
-                        IcoPath = webSearch.IconPath,
+                        IcoPath = searchSource.IconPath,
                         Action = c =>
                         {
-                            Process.Start(webSearch.Url.Replace("{q}", Uri.EscapeDataString(keyword)));
+                            Process.Start(searchSource.Url.Replace("{q}", Uri.EscapeDataString(keyword)));
                             return true;
                         }
                     };
                     results.Add(result);
-                    UpdateResultsFromSuggestion(results, keyword, subtitle, webSearch, query);
+                    UpdateResultsFromSuggestion(results, keyword, subtitle, searchSource, query);
                     return results;
                 }
             }
@@ -80,14 +78,15 @@ namespace Wox.Plugin.WebSearch
             }
         }
 
-        private void UpdateResultsFromSuggestion(List<Result> results, string keyword, string subtitle, WebSearch webSearch, Query query)
+        private void UpdateResultsFromSuggestion(List<Result> results, string keyword, string subtitle,
+            SearchSource searchSource, Query query)
         {
-            if (_settings.EnableWebSearchSuggestion)
+            if (_settings.EnableSuggestion)
             {
                 const int waittime = 300;
                 var task = Task.Run(async () =>
                 {
-                    var suggestions = await Suggestions(keyword, subtitle, webSearch);
+                    var suggestions = await Suggestions(keyword, subtitle, searchSource);
                     results.AddRange(suggestions);
                 }, _updateToken);
 
@@ -102,21 +101,21 @@ namespace Wox.Plugin.WebSearch
             }
         }
 
-        private async Task<IEnumerable<Result>> Suggestions(string keyword, string subtitle, WebSearch webSearch)
+        private async Task<IEnumerable<Result>> Suggestions(string keyword, string subtitle, SearchSource searchSource)
         {
-            var source = SuggestionSource.GetSuggestionSource(_settings.WebSearchSuggestionSource);
+            var source = _settings.SelectedSuggestion;
             if (source != null)
             {
-                var suggestions = await source.GetSuggestions(keyword);
+                var suggestions = await source.Suggestions(keyword);
                 var resultsFromSuggestion = suggestions.Select(o => new Result
                 {
                     Title = o,
                     SubTitle = subtitle,
                     Score = 5,
-                    IcoPath = webSearch.IconPath,
+                    IcoPath = searchSource.IconPath,
                     Action = c =>
                     {
-                        Process.Start(webSearch.Url.Replace("{q}", Uri.EscapeDataString(o)));
+                        Process.Start(searchSource.Url.Replace("{q}", Uri.EscapeDataString(o)));
                         return true;
                     }
                 });
@@ -127,18 +126,21 @@ namespace Wox.Plugin.WebSearch
 
         static Main()
         {
-            var plugins = Infrastructure.Constant.Plugins;
+            var plugins = Constant.Plugins;
             var assemblyName = typeof(Main).Assembly.GetName().Name;
-            var pluginDirectory = Path.Combine(Infrastructure.Constant.SettingsPath, plugins, assemblyName);
+            var pluginDirectory = Path.Combine(Constant.SettingsPath, plugins, assemblyName);
             ImagesDirectory = Path.Combine(pluginDirectory, Images);
         }
 
+        public Main()
+        {
+            _viewModel = new SettingsViewModel();
+            _settings = _viewModel.Settings;
+        }
+
         public void Init(PluginInitContext context)
         {
-            Context = context;
-
-            _storage = new PluginJsonStorage<Settings>();
-            _settings = _storage.Load();
+            _context = context;
 
             var pluginDirectory = context.CurrentPluginMetadata.PluginDirectory;
             var bundledImagesDirectory = Path.Combine(pluginDirectory, Images);
@@ -149,43 +151,21 @@ namespace Wox.Plugin.WebSearch
 
         public Control CreateSettingPanel()
         {
-            return new WebSearchesSetting(this, _settings);
+            return new SettingsControl(_context, _viewModel);
         }
 
         #endregion
 
         public string GetTranslatedPluginTitle()
         {
-            return Context.API.GetTranslation("wox_plugin_websearch_plugin_name");
+            return _context.API.GetTranslation("wox_plugin_websearch_plugin_name");
         }
 
         public string GetTranslatedPluginDescription()
         {
-            return Context.API.GetTranslation("wox_plugin_websearch_plugin_description");
+            return _context.API.GetTranslation("wox_plugin_websearch_plugin_description");
         }
 
-        public bool IsInstantQuery(string query) => false;
-
-        [NotifyPropertyChangedInvocator]
-        public void NotifyActionKeywordsUpdated(string oldActionKeywords, string newActionKeywords)
-        {
-            ActionKeywordsChanged?.Invoke(this, new ActionKeywordsChangedEventArgs
-            {
-                OldActionKeyword = oldActionKeywords,
-                NewActionKeyword = newActionKeywords
-            });
-        }
-
-        [NotifyPropertyChangedInvocator]
-        public void NotifyActionKeywordsAdded(string newActionKeywords)
-        {
-            ActionKeywordsChanged?.Invoke(this, new ActionKeywordsChangedEventArgs
-            {
-                NewActionKeyword = newActionKeywords
-            });
-        }
-
-        public event ActionKeywordsChangedEventHandler ActionKeywordsChanged;
         public event ResultUpdatedEventHandler ResultsUpdated;
     }
-}
+}
\ No newline at end of file
diff --git a/Plugins/Wox.Plugin.WebSearch/SearchSourceViewModel.cs b/Plugins/Wox.Plugin.WebSearch/SearchSourceViewModel.cs
new file mode 100644
index 0000000000..6b343ae8fd
--- /dev/null
+++ b/Plugins/Wox.Plugin.WebSearch/SearchSourceViewModel.cs
@@ -0,0 +1,7 @@
+namespace Wox.Plugin.WebSearch
+{
+    public class SearchSourceViewModel
+    {
+        public SearchSource SearchSource { get; set; }
+    }
+}
diff --git a/Plugins/Wox.Plugin.WebSearch/Settings.cs b/Plugins/Wox.Plugin.WebSearch/Settings.cs
index aebec99c2e..ef5de0aed9 100644
--- a/Plugins/Wox.Plugin.WebSearch/Settings.cs
+++ b/Plugins/Wox.Plugin.WebSearch/Settings.cs
@@ -1,12 +1,23 @@
-using System.Collections.Generic;
+using System;
+using System.Collections.ObjectModel;
+using Newtonsoft.Json;
+using Wox.Plugin.WebSearch.SuggestionSources;
 
 namespace Wox.Plugin.WebSearch
 {
-    public class Settings
+    public class Settings : BaseModel
     {
-        public List<WebSearch> WebSearches { get; set; } = new List<WebSearch>
+        public Settings()
+        {
+            SelectedSuggestion = Suggestions[0];
+            if (SearchSources.Count > 0)
             {
-                new WebSearch
+                SelectedSearchSource = SearchSources[0];
+            }
+        }
+        public ObservableCollection<SearchSource> SearchSources { get; set; } = new ObservableCollection<SearchSource>
+            {
+                new SearchSource
                 {
                     Title = "Google",
                     ActionKeyword = "g",
@@ -14,7 +25,7 @@ namespace Wox.Plugin.WebSearch
                     Url = "https://www.google.com/search?q={q}",
                     Enabled = true
                 },
-                new WebSearch
+                new SearchSource
                 {
                     Title = "Google Scholar",
                     ActionKeyword = "sc",
@@ -22,7 +33,7 @@ namespace Wox.Plugin.WebSearch
                     Url = "https://scholar.google.com/scholar?q={q}",
                     Enabled = true
                 },
-                new WebSearch
+                new SearchSource
                 {
                     Title = "Wikipedia",
                     ActionKeyword = "wiki",
@@ -30,7 +41,7 @@ namespace Wox.Plugin.WebSearch
                     Url = "https://en.wikipedia.org/wiki/{q}",
                     Enabled = true
                 },
-                new WebSearch
+                new SearchSource
                 {
                     Title = "FindIcon",
                     ActionKeyword = "findicon",
@@ -38,7 +49,7 @@ namespace Wox.Plugin.WebSearch
                     Url = "http://findicons.com/search/{q}",
                     Enabled = true
                 },
-                new WebSearch
+                new SearchSource
                 {
                     Title = "Facebook",
                     ActionKeyword = "facebook",
@@ -46,7 +57,7 @@ namespace Wox.Plugin.WebSearch
                     Url = "https://www.facebook.com/search/?q={q}",
                     Enabled = true
                 },
-                new WebSearch
+                new SearchSource
                 {
                     Title = "Twitter",
                     ActionKeyword = "twitter",
@@ -54,7 +65,7 @@ namespace Wox.Plugin.WebSearch
                     Url = "https://twitter.com/search?q={q}",
                     Enabled = true
                 },
-                new WebSearch
+                new SearchSource
                 {
                     Title = "Google Maps",
                     ActionKeyword = "maps",
@@ -62,7 +73,7 @@ namespace Wox.Plugin.WebSearch
                     Url = "https://maps.google.com/maps?q={q}",
                     Enabled = true
                 },
-                new WebSearch
+                new SearchSource
                 {
                     Title = "Google Translate",
                     ActionKeyword = "translate",
@@ -70,7 +81,7 @@ namespace Wox.Plugin.WebSearch
                     Url = "https://translate.google.com/#auto|en|{q}",
                     Enabled = true
                 },
-                new WebSearch
+                new SearchSource
                 {
                     Title = "Duckduckgo",
                     ActionKeyword = "duckduckgo",
@@ -78,7 +89,7 @@ namespace Wox.Plugin.WebSearch
                     Url = "https://duckduckgo.com/?q={q}",
                     Enabled = true
                 },
-                new WebSearch
+                new SearchSource
                 {
                     Title = "Github",
                     ActionKeyword = "github",
@@ -86,7 +97,7 @@ namespace Wox.Plugin.WebSearch
                     Url = "https://github.com/search?q={q}",
                     Enabled = true
                 },
-                new WebSearch
+                new SearchSource
                 {
                     Title = "Github Gist",
                     ActionKeyword = "gist",
@@ -94,7 +105,7 @@ namespace Wox.Plugin.WebSearch
                     Url = "https://gist.github.com/search?q={q}",
                     Enabled = true
                 },
-                new WebSearch
+                new SearchSource
                 {
                     Title = "Gmail",
                     ActionKeyword = "gmail",
@@ -102,7 +113,7 @@ namespace Wox.Plugin.WebSearch
                     Url = "https://mail.google.com/mail/ca/u/0/#apps/{q}",
                     Enabled = true
                 },
-                new WebSearch
+                new SearchSource
                 {
                     Title = "Google Drive",
                     ActionKeyword = "drive",
@@ -110,7 +121,7 @@ namespace Wox.Plugin.WebSearch
                     Url = "https://drive.google.com/?hl=en&tab=bo#search/{q}",
                     Enabled = true
                 },
-                new WebSearch
+                new SearchSource
                 {
                     Title = "Wolframalpha",
                     ActionKeyword = "wolframalpha",
@@ -118,7 +129,7 @@ namespace Wox.Plugin.WebSearch
                     Url = "https://www.wolframalpha.com/input/?i={q}",
                     Enabled = true
                 },
-                new WebSearch
+                new SearchSource
                 {
                     Title = "Stackoverflow",
                     ActionKeyword = "stackoverflow",
@@ -126,7 +137,7 @@ namespace Wox.Plugin.WebSearch
                     Url = "https://stackoverflow.com/search?q={q}",
                     Enabled = true
                 },
-                new WebSearch
+                new SearchSource
                 {
                     Title = "I'm Feeling Lucky",
                     ActionKeyword = "lucky",
@@ -134,7 +145,7 @@ namespace Wox.Plugin.WebSearch
                     Url = "https://google.com/search?q={q}&btnI=I",
                     Enabled = true
                 },
-                new WebSearch
+                new SearchSource
                 {
                     Title = "Google Image",
                     ActionKeyword = "image",
@@ -142,7 +153,7 @@ namespace Wox.Plugin.WebSearch
                     Url = "https://www.google.com/search?q={q}&tbm=isch",
                     Enabled = true
                 },
-                new WebSearch
+                new SearchSource
                 {
                     Title = "Youtube",
                     ActionKeyword = "youtube",
@@ -150,7 +161,7 @@ namespace Wox.Plugin.WebSearch
                     Url = "https://www.youtube.com/results?search_query={q}",
                     Enabled = true
                 },
-                new WebSearch
+                new SearchSource
                 {
                     Title = "Bing",
                     ActionKeyword = "bing",
@@ -158,7 +169,7 @@ namespace Wox.Plugin.WebSearch
                     Url = "https://www.bing.com/search?q={q}",
                     Enabled = true
                 },
-                new WebSearch
+                new SearchSource
                 {
                     Title = "Yahoo",
                     ActionKeyword = "yahoo",
@@ -166,18 +177,50 @@ namespace Wox.Plugin.WebSearch
                     Url = "https://www.search.yahoo.com/search?p={q}",
                     Enabled = true
                 },
-                new WebSearch
+                new SearchSource
                 {
-                    Title= "Baidu",
-                    ActionKeyword= "bd",
-                    Icon= "baidu.png",
-                    Url="https://www.baidu.com/#ie=UTF-8&wd={q}",
-                    Enabled= true
+                    Title = "Baidu",
+                    ActionKeyword = "bd",
+                    Icon = "baidu.png",
+                    Url = "https://www.baidu.com/#ie=UTF-8&wd={q}",
+                    Enabled = true
                 }
             };
 
-        public bool EnableWebSearchSuggestion { get; set; }
+        [JsonIgnore]
+        public SearchSource SelectedSearchSource { get; set; }
+
+        public bool EnableSuggestion { get; set; }
+
+        [JsonIgnore]
+        public SuggestionSource[] Suggestions { get; set; } = {
+            new Google(),
+            new Baidu()
+        };
+
+        [JsonIgnore]
+        public SuggestionSource SelectedSuggestion { get; set; }
+
+        /// <summary>
+        /// used to store Settings.json only
+        /// </summary>
+        public string Suggestion
+        {
+            get
+            {
+                return SelectedSuggestion.ToString();
+            }
+            set
+            {
+                foreach (var s in Suggestions)
+                {
+                    if (string.Equals(s.ToString(), value, StringComparison.OrdinalIgnoreCase))
+                    {
+                        SelectedSuggestion = s;
+                    }
+                }
+            }
+        }
 
-        public string WebSearchSuggestionSource { get; set; }
     }
 }
\ No newline at end of file
diff --git a/Plugins/Wox.Plugin.WebSearch/SettingsViewModel.cs b/Plugins/Wox.Plugin.WebSearch/SettingsViewModel.cs
new file mode 100644
index 0000000000..6a727a5ddb
--- /dev/null
+++ b/Plugins/Wox.Plugin.WebSearch/SettingsViewModel.cs
@@ -0,0 +1,22 @@
+using Wox.Infrastructure.Storage;
+
+namespace Wox.Plugin.WebSearch
+{
+    public class SettingsViewModel
+    {
+        private readonly JsonStrorage<Settings> _storage;
+
+        public SettingsViewModel()
+        {
+            _storage = new PluginJsonStorage<Settings>();
+            Settings = _storage.Load();
+        }
+
+        public Settings Settings { get; set; }
+
+        public void Save()
+        {
+            _storage.Save();
+        }
+    }
+}
\ No newline at end of file
diff --git a/Plugins/Wox.Plugin.WebSearch/SuggestionSources/Baidu.cs b/Plugins/Wox.Plugin.WebSearch/SuggestionSources/Baidu.cs
index a2a5b62fe2..0c71d7a2b4 100644
--- a/Plugins/Wox.Plugin.WebSearch/SuggestionSources/Baidu.cs
+++ b/Plugins/Wox.Plugin.WebSearch/SuggestionSources/Baidu.cs
@@ -13,11 +13,9 @@ namespace Wox.Plugin.WebSearch.SuggestionSources
 {
     public class Baidu : SuggestionSource
     {
-        public override string Domain { get; set; } = "www.baidu.com";
+        private readonly Regex _reg = new Regex("window.baidu.sug\\((.*)\\)");
 
-        Regex reg = new Regex("window.baidu.sug\\((.*)\\)");
-
-        public override async Task<List<string>> GetSuggestions(string query)
+        public override async Task<List<string>> Suggestions(string query)
         {
             string result;
 
@@ -30,12 +28,12 @@ namespace Wox.Plugin.WebSearch.SuggestionSources
             {
                 Log.Warn("Can't get suggestion from baidu");
                 Log.Exception(e);
-                return new List<string>(); ;
+                return new List<string>();
+                ;
             }
 
             if (string.IsNullOrEmpty(result)) return new List<string>();
-
-            Match match = reg.Match(result);
+            Match match = _reg.Match(result);
             if (match.Success)
             {
                 JContainer json;
@@ -61,5 +59,10 @@ namespace Wox.Plugin.WebSearch.SuggestionSources
 
             return new List<string>();
         }
+
+        public override string ToString()
+        {
+            return "Baidu";
+        }
     }
-}
+}
\ No newline at end of file
diff --git a/Plugins/Wox.Plugin.WebSearch/SuggestionSources/Google.cs b/Plugins/Wox.Plugin.WebSearch/SuggestionSources/Google.cs
index 95097f9a65..6d1f9eaa94 100644
--- a/Plugins/Wox.Plugin.WebSearch/SuggestionSources/Google.cs
+++ b/Plugins/Wox.Plugin.WebSearch/SuggestionSources/Google.cs
@@ -12,8 +12,7 @@ namespace Wox.Plugin.WebSearch.SuggestionSources
 {
     public class Google : SuggestionSource
     {
-        public override string Domain { get; set; } = "www.google.com";
-        public override async Task<List<string>> GetSuggestions(string query)
+        public override async Task<List<string>> Suggestions(string query)
         {
             string result;
             try
@@ -25,7 +24,8 @@ namespace Wox.Plugin.WebSearch.SuggestionSources
             {
                 Log.Warn("Can't get suggestion from google");
                 Log.Exception(e);
-                return new List<string>(); ;
+                return new List<string>();
+                ;
             }
             if (string.IsNullOrEmpty(result)) return new List<string>();
             JContainer json;
@@ -48,5 +48,10 @@ namespace Wox.Plugin.WebSearch.SuggestionSources
             }
             return new List<string>();
         }
+
+        public override string ToString()
+        {
+            return "Google";
+        }
     }
-}
+}
\ No newline at end of file
diff --git a/Plugins/Wox.Plugin.WebSearch/SuggestionSources/ISuggestionSource.cs b/Plugins/Wox.Plugin.WebSearch/SuggestionSources/ISuggestionSource.cs
index f7317b8b04..c56c892418 100644
--- a/Plugins/Wox.Plugin.WebSearch/SuggestionSources/ISuggestionSource.cs
+++ b/Plugins/Wox.Plugin.WebSearch/SuggestionSources/ISuggestionSource.cs
@@ -3,25 +3,9 @@ using System.Threading.Tasks;
 
 namespace Wox.Plugin.WebSearch.SuggestionSources
 {
+    //todo rename file
     public abstract class SuggestionSource
     {
-        public virtual string Domain { get; set; }
-
-        public abstract Task<List<string>> GetSuggestions(string query);
-
-        public static SuggestionSource GetSuggestionSource(string name)
-        {
-            switch (name.ToLower())
-            {
-                case "google":
-                    return new Google();
-
-                case "baidu":
-                    return new Baidu();
-
-                default:
-                    return null;
-            }
-        }
+        public abstract Task<List<string>> Suggestions(string query);
     }
-}
+}
\ No newline at end of file
diff --git a/Plugins/Wox.Plugin.WebSearch/WebSearch.cs b/Plugins/Wox.Plugin.WebSearch/WebSearch.cs
index 0b645a990e..46cbc47970 100644
--- a/Plugins/Wox.Plugin.WebSearch/WebSearch.cs
+++ b/Plugins/Wox.Plugin.WebSearch/WebSearch.cs
@@ -1,40 +1,43 @@
 using System.IO;
+using System.Windows.Media;
 using JetBrains.Annotations;
 using Newtonsoft.Json;
-using Newtonsoft.Json.Serialization;
+using Wox.Infrastructure.Image;
 
 namespace Wox.Plugin.WebSearch
 {
-    public class WebSearch
+    public class SearchSource : BaseModel
     {
         public const string DefaultIcon = "web_search.png";
         public string Title { get; set; }
         public string ActionKeyword { get; set; }
-        [NotNull]
-        private string _icon = DefaultIcon;
 
         [NotNull]
-        public string Icon
-        {
-            get { return _icon; }
-            set
-            {
-                _icon = value;
-                IconPath = Path.Combine(Main.ImagesDirectory, value);
-            }
-        }
+        public string Icon { private get; set; } = DefaultIcon;
 
         /// <summary>
         /// All icon should be put under Images directory
         /// </summary>
         [NotNull]
         [JsonIgnore]
-        internal string IconPath { get; private set; } = Path.Combine
-        (
-            Main.ImagesDirectory, DefaultIcon
-        );
+        internal string IconPath => Path.Combine(Main.ImagesDirectory, Icon);
+        [JsonIgnore]
+        public ImageSource Image => ImageLoader.Load(IconPath);
 
         public string Url { get; set; }
         public bool Enabled { get; set; }
+
+        public SearchSource DeepCopy()
+        {
+            var webSearch = new SearchSource
+            {
+                Title = string.Copy(Title),
+                ActionKeyword = string.Copy(ActionKeyword),
+                Url = string.Copy(Url),
+                Icon = string.Copy(Icon),
+                Enabled = Enabled
+            };
+            return webSearch;
+        }
     }
 }
\ No newline at end of file
diff --git a/Plugins/Wox.Plugin.WebSearch/WebSearchSetting.xaml b/Plugins/Wox.Plugin.WebSearch/WebSearchSetting.xaml
index c83f9ae08a..00c2d13dc9 100644
--- a/Plugins/Wox.Plugin.WebSearch/WebSearchSetting.xaml
+++ b/Plugins/Wox.Plugin.WebSearch/WebSearchSetting.xaml
@@ -1,42 +1,60 @@
-<Window x:Class="Wox.Plugin.WebSearch.WebSearchSetting"
+<Window x:Class="Wox.Plugin.WebSearch.SearchSourceSettingWindow"
         xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
         xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+        xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
+        xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
+        xmlns:vm="clr-namespace:Wox.Plugin.WebSearch"
+        mc:Ignorable="d"
         ResizeMode="NoResize"
         WindowStartupLocation="CenterScreen"
-        Title="WebSearchSetting" Height="350" Width="674.766">
+        Title="Search Source Setting" Height="300" Width="500"
+        d:DataContext="{d:DesignInstance vm:SearchSourceViewModel}">
     <Grid>
         <Grid.RowDefinitions>
-            <RowDefinition></RowDefinition>
-            <RowDefinition></RowDefinition>
-            <RowDefinition></RowDefinition>
-            <RowDefinition></RowDefinition>
-            <RowDefinition Height="60"></RowDefinition>
-            <RowDefinition></RowDefinition>
+            <RowDefinition />
+            <RowDefinition />
+            <RowDefinition />
+            <RowDefinition />
+            <RowDefinition Height="60" />
+            <RowDefinition />
         </Grid.RowDefinitions>
         <Grid.ColumnDefinitions>
-            <ColumnDefinition Width="120"></ColumnDefinition>
-            <ColumnDefinition></ColumnDefinition>
+            <ColumnDefinition Width="120" />
+            <ColumnDefinition />
         </Grid.ColumnDefinitions>
-        <TextBlock Margin="10" FontSize="14" Grid.Row="0" Grid.Column="0" VerticalAlignment="Center" HorizontalAlignment="Right" Text="{DynamicResource wox_plugin_websearch_title}"></TextBlock>
-        <TextBox x:Name="WebSearchName" Margin="10" Grid.Row="0" Width="400" Grid.Column="1" VerticalAlignment="Center" HorizontalAlignment="Left"></TextBox>
+        <TextBlock Margin="10" FontSize="14" Grid.Row="0" Grid.Column="0" VerticalAlignment="Center"
+                   HorizontalAlignment="Right" Text="{DynamicResource wox_plugin_websearch_title}" />
+        <TextBox Text="{Binding SearchSource.Title}" Margin="10" Grid.Row="0" Width="300" Grid.Column="1" VerticalAlignment="Center"
+                 HorizontalAlignment="Left" />
 
-        <TextBlock Margin="10" FontSize="14" Grid.Row="1" Grid.Column="0" VerticalAlignment="Center" HorizontalAlignment="Right" Text="{DynamicResource wox_plugin_websearch_url}"></TextBlock>
-        <TextBox x:Name="Url" Margin="10" Grid.Row="1" Width="400" Grid.Column="1" VerticalAlignment="Center" HorizontalAlignment="Left"></TextBox>
+        <TextBlock Margin="10" FontSize="14" Grid.Row="1" Grid.Column="0" VerticalAlignment="Center"
+                   HorizontalAlignment="Right" Text="{DynamicResource wox_plugin_websearch_url}" />
+        <TextBox Text="{Binding SearchSource.Url}" Margin="10" Grid.Row="1" Width="300" Grid.Column="1" VerticalAlignment="Center"
+                 HorizontalAlignment="Left" />
 
-        <TextBlock Margin="10" FontSize="14" Grid.Row="2" Grid.Column="0" VerticalAlignment="Center" HorizontalAlignment="Right" Text="{DynamicResource wox_plugin_websearch_action_keyword}"></TextBlock>
-        <TextBox x:Name="Actionword" Margin="10" Grid.Row="2" Width="400" Grid.Column="1" VerticalAlignment="Center" HorizontalAlignment="Left"></TextBox>
+        <TextBlock Margin="10" FontSize="14" Grid.Row="2" Grid.Column="0" VerticalAlignment="Center"
+                   HorizontalAlignment="Right" Text="{DynamicResource wox_plugin_websearch_action_keyword}" />
+        <TextBox Text="{Binding SearchSource.ActionKeyword}" Margin="10" Grid.Row="2" Width="300" Grid.Column="1"
+                 VerticalAlignment="Center" HorizontalAlignment="Left" />
 
-        <TextBlock Margin="10" FontSize="14" Grid.Row="3" Grid.Column="0" VerticalAlignment="Center" HorizontalAlignment="Right" Text="{DynamicResource wox_plugin_websearch_enable}"></TextBlock>
-        <CheckBox x:Name="EnableCheckBox" IsChecked="True" Margin="10" Grid.Row="3" Grid.Column="1" VerticalAlignment="Center"></CheckBox>
+        <TextBlock Margin="10" FontSize="14" Grid.Row="3" Grid.Column="0" VerticalAlignment="Center"
+                   HorizontalAlignment="Right" Text="{DynamicResource wox_plugin_websearch_enable}" />
+        <CheckBox IsChecked="{Binding SearchSource.Enabled}" Margin="10" Grid.Row="3" Grid.Column="1" VerticalAlignment="Center" />
 
-        <TextBlock Margin="10" FontSize="14" Grid.Row="4" Grid.Column="0" VerticalAlignment="Center" HorizontalAlignment="Right" Text="{DynamicResource wox_plugin_websearch_icon}"></TextBlock>
+        <TextBlock Margin="10" FontSize="14" Grid.Row="4" Grid.Column="0" VerticalAlignment="Center"
+                   HorizontalAlignment="Right" Text="{DynamicResource wox_plugin_websearch_icon}" />
         <StackPanel Orientation="Horizontal" Grid.Row="4" Grid.Column="1" Margin="10">
-            <Image x:Name="WebSearchIcon" Width="24" Height="24" Margin="0 0 10 0" />
-            <Button x:Name="SelectIconButton" Height="24" Click="SelectIconButtonOnClick" Content="{DynamicResource wox_plugin_websearch_select_icon}"></Button>
+            <Image Source="{Binding SearchSource.Image ,IsAsync=True}" Width="24" Height="24" Margin="0 0 10 0" />
+            <Button Click="OnSelectIconClick" Height="24" 
+                    Content="{DynamicResource wox_plugin_websearch_select_icon}" />
         </StackPanel>
         <StackPanel Orientation="Horizontal" HorizontalAlignment="Right" Grid.Row="5" Grid.Column="1">
-            <Button x:Name="CancelButton" Click="CancelButtonOnClick" Margin="10 0 10 0" Width="80" Height="25" Content="{DynamicResource wox_plugin_websearch_cancel}"/>
-            <Button x:Name="ConfirmButton" Margin="10 0 10 0"  Width="80" Height="25" Click="ConfirmButtonOnClick" Content="{DynamicResource wox_plugin_websearch_add}"/>
+            <Button Click="OnCancelButtonClick" 
+                    Margin="10 0 10 0" Width="80" Height="25"
+                    Content="{DynamicResource wox_plugin_websearch_cancel}" />
+            <Button Click="OnConfirmButtonClick"
+                    Margin="10 0 10 0" Width="80" Height="25" 
+                    Content="{DynamicResource wox_plugin_websearch_confirm}" />
         </StackPanel>
     </Grid>
-</Window>
+</Window>
\ No newline at end of file
diff --git a/Plugins/Wox.Plugin.WebSearch/WebSearchSetting.xaml.cs b/Plugins/Wox.Plugin.WebSearch/WebSearchSetting.xaml.cs
index 45e5335659..5464bcef47 100644
--- a/Plugins/Wox.Plugin.WebSearch/WebSearchSetting.xaml.cs
+++ b/Plugins/Wox.Plugin.WebSearch/WebSearchSetting.xaml.cs
@@ -1,150 +1,150 @@
-using System;
+using System.Collections.Generic;
 using System.IO;
-using System.Linq;
 using System.Windows;
 using Microsoft.Win32;
-using Wox.Infrastructure.Exception;
-using Wox.Infrastructure.Image;
+using Wox.Core.Plugin;
 
 namespace Wox.Plugin.WebSearch
 {
-    public partial class WebSearchSetting
+    public partial class SearchSourceSettingWindow
     {
-        private readonly WebSearchesSetting _settingWindow;
-        private bool _isUpdate;
-        private WebSearch _webSearch;
-        private readonly PluginInitContext _context;
-        private readonly Main _plugin;
-        private readonly Settings _settings;
+        private readonly SearchSource _oldSearchSource;
+        private SearchSource _searchSource;
+        private IList<SearchSource> _searchSources;
+        private Action _action;
+        private PluginInitContext _context;
+        private IPublicAPI _api;
+        private SearchSourceViewModel _viewModel;
 
-        public WebSearchSetting(WebSearchesSetting settingWidow, Settings settings)
+
+        public SearchSourceSettingWindow(IList<SearchSource> sources, PluginInitContext context, SearchSource old)
+        {
+            _oldSearchSource = old;
+            _viewModel = new SearchSourceViewModel { SearchSource = old.DeepCopy() };
+            Initilize(sources, context, Action.Edit);
+        }
+
+        public SearchSourceSettingWindow(IList<SearchSource> sources, PluginInitContext context)
+        {
+            _viewModel = new SearchSourceViewModel { SearchSource = new SearchSource() };
+            Initilize(sources, context, Action.Add);
+        }
+
+        private void Initilize(IList<SearchSource> sources, PluginInitContext context, Action action)
         {
             InitializeComponent();
-            WebSearchName.Focus();
-            _plugin = settingWidow.Plugin;
-            _context = settingWidow.Context;
-            _settingWindow = settingWidow;
-            _settings = settings;
+            DataContext = _viewModel;
+            _searchSource = _viewModel.SearchSource;
+            _searchSources = sources;
+            _action = action;
+            _context = context;
+            _api = _context.API;
         }
 
-        public void UpdateItem(WebSearch webSearch)
-        {
-            _webSearch = _settings.WebSearches.FirstOrDefault(o => o == webSearch);
-            if (_webSearch == null || string.IsNullOrEmpty(_webSearch.Url))
-            {
-
-                string warning = _context.API.GetTranslation("wox_plugin_websearch_invalid_web_search");
-                MessageBox.Show(warning);
-                Close();
-                return;
-            }
-
-            _isUpdate = true;
-            ConfirmButton.Content = "Update";
-            WebSearchIcon.Source = ImageLoader.Load(webSearch.IconPath);
-            EnableCheckBox.IsChecked = webSearch.Enabled;
-            WebSearchName.Text = webSearch.Title;
-            Url.Text = webSearch.Url;
-            Actionword.Text = webSearch.ActionKeyword;
-        }
-
-        public void AddItem(WebSearch webSearch)
-        {
-            _webSearch = webSearch;
-            WebSearchIcon.Source = ImageLoader.Load(webSearch.IconPath);
-        }
-
-        private void CancelButtonOnClick(object sender, RoutedEventArgs e)
+        private void OnCancelButtonClick(object sender, RoutedEventArgs e)
         {
             Close();
         }
 
-        /// <summary>
-        /// Confirm button for both add and update
-        /// </summary>
-        private void ConfirmButtonOnClick(object sender, RoutedEventArgs e)
+        private void OnConfirmButtonClick(object sender, RoutedEventArgs e)
         {
-            string title = WebSearchName.Text;
-            if (string.IsNullOrEmpty(title))
-            {
-                string warning = _context.API.GetTranslation("wox_plugin_websearch_input_title");
-                MessageBox.Show(warning);
-                return;
-            }
 
-            string url = Url.Text;
-            if (string.IsNullOrEmpty(url))
+            if (string.IsNullOrEmpty(_searchSource.Title))
             {
-                string warning = _context.API.GetTranslation("wox_plugin_websearch_input_url");
+                var warning = _api.GetTranslation("wox_plugin_websearch_input_title");
                 MessageBox.Show(warning);
-                return;
             }
-
-            string newActionKeyword = Actionword.Text.Trim();
-            
-            if (_isUpdate)
+            else if (string.IsNullOrEmpty(_searchSource.Url))
             {
-                try
-                {
-                    _plugin.NotifyActionKeywordsUpdated(_webSearch.ActionKeyword, newActionKeyword);
-                }
-                catch (WoxPluginException exception)
-                {
-                    MessageBox.Show(exception.Message);
-                    return;
-                }
+                var warning = _api.GetTranslation("wox_plugin_websearch_input_url");
+                MessageBox.Show(warning);
+            }
+            else if (string.IsNullOrEmpty(_searchSource.ActionKeyword))
+            {
+                var warning = _api.GetTranslation("wox_plugin_websearch_input_action_keyword");
+                MessageBox.Show(warning);
+            }
+            else if (_action == Action.Add)
+            {
+                AddSearchSource();
+            }
+            else if (_action == Action.Edit)
+            {
+                EditSearchSource();
+            }
+        }
+
+        private void AddSearchSource()
+        {
+            var keyword = _searchSource.ActionKeyword;
+            if (!PluginManager.ActionKeywordRegistered(keyword))
+            {
+                var id = _context.CurrentPluginMetadata.ID;
+                PluginManager.AddActionKeyword(id, keyword);
+
+                _searchSources.Add(_searchSource);
+
+                var info = _api.GetTranslation("succeed");
+                MessageBox.Show(info);
+                Close();
             }
             else
             {
-                try
-                {
-                    _plugin.NotifyActionKeywordsAdded(newActionKeyword);
-                }
-                catch (WoxPluginException exception)
-                {
-                    MessageBox.Show(exception.Message);
-                    return;
-                }
-
-                _settings.WebSearches.Add(_webSearch);
+                var warning = _api.GetTranslation("newActionKeywordsHasBeenAssigned");
+                MessageBox.Show(warning);
             }
-
-            _webSearch.ActionKeyword = newActionKeyword;
-            _webSearch.Enabled = EnableCheckBox.IsChecked ?? false;
-            _webSearch.Url = url;
-            _webSearch.Title = title;
-
-            _settingWindow.ReloadWebSearchView();
-            Close();
         }
 
-        private void SelectIconButtonOnClick(object sender, RoutedEventArgs e)
+        private void EditSearchSource()
+        {
+            var keyword = _searchSource.ActionKeyword;
+            if (!PluginManager.ActionKeywordRegistered(keyword))
+            {
+                var newKeyword = keyword;
+                var oldKeyword = _oldSearchSource.ActionKeyword;
+                var id = _context.CurrentPluginMetadata.ID;
+                PluginManager.ReplaceActionKeyword(id, oldKeyword, newKeyword);
+
+                var index = _searchSources.IndexOf(_oldSearchSource);
+                _searchSources[index] = _searchSource;
+
+                var info = _api.GetTranslation("succeed");
+                MessageBox.Show(info);
+                Close();
+            }
+            else
+            {
+                var warning = _api.GetTranslation("newActionKeywordsHasBeenAssigned");
+                MessageBox.Show(warning);
+            }
+        }
+
+        private void OnSelectIconClick(object sender, RoutedEventArgs e)
         {
             var directory = Path.Combine(Main.ImagesDirectory, Main.Images);
-            var dlg = new OpenFileDialog
-            {
-                InitialDirectory = directory,
-                Filter = "Image files (*.jpg, *.jpeg, *.gif, *.png, *.bmp) |*.jpg; *.jpeg; *.gif; *.png; *.bmp"
-            };
+            const string filter = "Image files (*.jpg, *.jpeg, *.gif, *.png, *.bmp) |*.jpg; *.jpeg; *.gif; *.png; *.bmp";
+            var dialog = new OpenFileDialog { InitialDirectory = directory, Filter = filter };
 
-            bool? result = dlg.ShowDialog();
-            if (result != null && result == true)
+            var result = dialog.ShowDialog();
+            if (result == true)
             {
-                string fullpath = dlg.FileName;
-                if (fullpath != null)
+                var fullpath = dialog.FileName;
+                if (!string.IsNullOrEmpty(fullpath))
                 {
-                    _webSearch.Icon = Path.GetFileName(fullpath);
-                    if (File.Exists(_webSearch.IconPath))
+                    _searchSource.Icon = Path.GetFileName(fullpath);
+                    if (!File.Exists(_searchSource.IconPath))
                     {
-                        WebSearchIcon.Source = ImageLoader.Load(_webSearch.IconPath);
-                    }
-                    else
-                    {
-                        _webSearch.Icon = WebSearch.DefaultIcon;
+                        _searchSource.Icon = SearchSource.DefaultIcon;
                         MessageBox.Show($"The file should be put under {directory}");
                     }
                 }
             }
         }
     }
-}
+
+    public enum Action
+    {
+        Add,
+        Edit
+    }
+}
\ No newline at end of file
diff --git a/Plugins/Wox.Plugin.WebSearch/WebSearchesSetting.xaml b/Plugins/Wox.Plugin.WebSearch/WebSearchesSetting.xaml
index 8b3de73c8a..01b2d25c66 100644
--- a/Plugins/Wox.Plugin.WebSearch/WebSearchesSetting.xaml
+++ b/Plugins/Wox.Plugin.WebSearch/WebSearchesSetting.xaml
@@ -1,35 +1,45 @@
-<UserControl x:Class="Wox.Plugin.WebSearch.WebSearchesSetting"
+<UserControl x:Class="Wox.Plugin.WebSearch.SettingsControl"
              xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
              xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
-             xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006" 
-             xmlns:d="http://schemas.microsoft.com/expression/blend/2008" 
-             mc:Ignorable="d" 
+             xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
+             xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
+             xmlns:vm="clr-namespace:Wox.Plugin.WebSearch"
+             mc:Ignorable="d"
+             Background="White"
+             d:DataContext="{d:DesignInstance vm:SettingsViewModel}"
              d:DesignHeight="300" d:DesignWidth="500">
     <Grid Margin="10">
         <Grid.RowDefinitions>
-            <RowDefinition Height="42"/>
-            <RowDefinition/>
-            <RowDefinition Height="50"/>
+            <RowDefinition Height="40" />
+            <RowDefinition />
+            <RowDefinition Height="40" />
         </Grid.RowDefinitions>
         <StackPanel Orientation="Horizontal" Grid.Row="0">
-            <CheckBox x:Name="cbEnableWebSearchSuggestion" Unchecked="CbEnableWebSearchSuggestion_OnUnchecked" Checked="CbEnableWebSearchSuggestion_OnChecked" Margin="0 10 10 10" Content="{DynamicResource wox_plugin_websearch_enable_suggestion}"></CheckBox>
-            <ComboBox x:Name="comboBoxSuggestionSource" SelectionChanged="ComboBoxSuggestionSource_OnSelectionChanged" Margin="10">
-            </ComboBox>
+            <CheckBox IsChecked="{Binding Settings.EnableSuggestion}"
+                      Margin="0 10 10 10"
+                      Name="EnableSuggestion"
+                      Content="{DynamicResource wox_plugin_websearch_enable_suggestion}" />
+            <ComboBox ItemsSource="{Binding Settings.Suggestions}"
+                      SelectedItem="{Binding Settings.SelectedSuggestion}"
+                      IsEnabled="{Binding ElementName=EnableSuggestion, Path=IsChecked}" Margin="10" />
+            <!-- Not sure why binding IsEnabled directly to Settings.EnableWebSaerchSuggestion is not working -->
         </StackPanel>
-        <ListView x:Name="webSearchView" Grid.Row="1">
+        <ListView ItemsSource="{Binding Settings.SearchSources}"
+                  SelectedItem="{Binding Settings.SelectedSearchSource}"
+                  Grid.Row="1">
             <ListView.View>
                 <GridView>
-                    <GridViewColumn Header="{DynamicResource wox_plugin_websearch_action_keyword}"  Width="180">
+                    <GridViewColumn Header="{DynamicResource wox_plugin_websearch_action_keyword}">
                         <GridViewColumn.CellTemplate>
                             <DataTemplate>
-                                <TextBlock Text="{Binding ActionKeyword}"/>
+                                <TextBlock Text="{Binding ActionKeyword}" />
                             </DataTemplate>
                         </GridViewColumn.CellTemplate>
                     </GridViewColumn>
-                    <GridViewColumn Header="{DynamicResource wox_plugin_websearch_url}"  Width="500">
+                    <GridViewColumn Header="{DynamicResource wox_plugin_websearch_url}">
                         <GridViewColumn.CellTemplate>
                             <DataTemplate>
-                                <TextBlock Text="{Binding Url}"/>
+                                <TextBlock Text="{Binding Url}" />
                             </DataTemplate>
                         </GridViewColumn.CellTemplate>
                     </GridViewColumn>
@@ -37,9 +47,12 @@
             </ListView.View>
         </ListView>
         <StackPanel Grid.Row="2" HorizontalAlignment="Right" Orientation="Horizontal">
-            <Button x:Name="btnDeleteWebSearch" Click="btnDeleteWebSearch_OnClick" Width="100" Margin="10" Content="{DynamicResource wox_plugin_websearch_delete}"/>
-            <Button x:Name="btnEditWebSearch" Click="btnEditWebSearch_OnClick" Width="100" Margin="10" Content="{DynamicResource wox_plugin_websearch_edit}"/>
-            <Button x:Name="btnAddWebSearch" Click="btnAddWebSearch_OnClick" Width="100" Margin="10" Content="{DynamicResource wox_plugin_websearch_add}"/>
+            <Button Click="OnDeleteSearchSearchClick" Width="100" Margin="10"
+                    Content="{DynamicResource wox_plugin_websearch_delete}" />
+            <Button Click="OnEditSearchSourceClick" Width="100" Margin="10"
+                    Content="{DynamicResource wox_plugin_websearch_edit}" />
+            <Button Click="OnAddSearchSearchClick" Width="100" Margin="10"
+                    Content="{DynamicResource wox_plugin_websearch_add}" />
         </StackPanel>
     </Grid>
-</UserControl>
+</UserControl>
\ No newline at end of file
diff --git a/Plugins/Wox.Plugin.WebSearch/WebSearchesSetting.xaml.cs b/Plugins/Wox.Plugin.WebSearch/WebSearchesSetting.xaml.cs
index 44fd714c8c..8d32ecd1ce 100644
--- a/Plugins/Wox.Plugin.WebSearch/WebSearchesSetting.xaml.cs
+++ b/Plugins/Wox.Plugin.WebSearch/WebSearchesSetting.xaml.cs
@@ -1,120 +1,54 @@
-using System.Collections.Generic;
-using System.Linq;
-using System.Windows;
+using System.Windows;
 using System.Windows.Controls;
+using Wox.Core.Plugin;
 
 namespace Wox.Plugin.WebSearch
 {
     /// <summary>
     /// Interaction logic for WebSearchesSetting.xaml
     /// </summary>
-    public partial class WebSearchesSetting : UserControl
+    public partial class SettingsControl : UserControl
     {
-        private Settings _settings;
-        public PluginInitContext Context { get; }
-        public Main Plugin { get; }
+        private readonly Settings _settings;
+        private readonly PluginInitContext _context;
 
-        public WebSearchesSetting(Main plugin, Settings settings)
+        public SettingsControl(PluginInitContext context, SettingsViewModel viewModel)
         {
-            Context = plugin.Context;
-            Plugin = plugin;
             InitializeComponent();
-            Loaded += Setting_Loaded;
-            _settings = settings;
+            _context = context;
+            _settings = viewModel.Settings;
+            DataContext = viewModel;
         }
 
-        private void Setting_Loaded(object sender, RoutedEventArgs e)
+        private void OnAddSearchSearchClick(object sender, RoutedEventArgs e)
         {
-            webSearchView.ItemsSource = _settings.WebSearches;
-            cbEnableWebSearchSuggestion.IsChecked = _settings.EnableWebSearchSuggestion;
-            comboBoxSuggestionSource.Visibility = _settings.EnableWebSearchSuggestion
-                ? Visibility.Visible
-                : Visibility.Collapsed;
-
-            List<ComboBoxItem> items = new List<ComboBoxItem>
-            {
-                new ComboBoxItem {Content = "Google"},
-                new ComboBoxItem {Content = "Baidu"}
-            };
-            ComboBoxItem selected = items.FirstOrDefault(o => o.Content.ToString() == _settings.WebSearchSuggestionSource);
-            if (selected == null)
-            {
-                selected = items[0];
-            }
-            comboBoxSuggestionSource.ItemsSource = items;
-            comboBoxSuggestionSource.SelectedItem = selected;
-        }
-
-        public void ReloadWebSearchView()
-        {
-            webSearchView.Items.Refresh();
-        }
-
-
-        private void btnAddWebSearch_OnClick(object sender, RoutedEventArgs e)
-        {
-            var setting = new WebSearchSetting(this, _settings);
-            var webSearch = new WebSearch();
-            
-
-            setting.AddItem(webSearch);
+            var setting = new SearchSourceSettingWindow(_settings.SearchSources, _context);
             setting.ShowDialog();
         }
 
-        private void btnDeleteWebSearch_OnClick(object sender, RoutedEventArgs e)
+        private void OnDeleteSearchSearchClick(object sender, RoutedEventArgs e)
         {
-            WebSearch selectedWebSearch = webSearchView.SelectedItem as WebSearch;
-            if (selectedWebSearch != null)
-            {
-                string msg = string.Format(Context.API.GetTranslation("wox_plugin_websearch_delete_warning"), selectedWebSearch.Title);
+            var selected = _settings.SelectedSearchSource;
+            var warning = _context.API.GetTranslation("wox_plugin_websearch_delete_warning");
+            var formated = string.Format(warning, selected.Title);
 
-                if (MessageBox.Show(msg, string.Empty, MessageBoxButton.YesNo) == MessageBoxResult.Yes)
-                {
-                    _settings.WebSearches.Remove(selectedWebSearch);
-                    webSearchView.Items.Refresh();
-                }
-            }
-            else
+            var result = MessageBox.Show(formated, string.Empty, MessageBoxButton.YesNo);
+            if (result == MessageBoxResult.Yes)
             {
-                string warning = Context.API.GetTranslation("wox_plugin_websearch_pls_select_web_search");
-                MessageBox.Show(warning);
+                var id = _context.CurrentPluginMetadata.ID;
+                PluginManager.RemoveActionKeyword(id, selected.ActionKeyword);
+                _settings.SearchSources.Remove(selected);
             }
         }
 
-        private void btnEditWebSearch_OnClick(object sender, RoutedEventArgs e)
+        private void OnEditSearchSourceClick(object sender, RoutedEventArgs e)
         {
-            WebSearch selectedWebSearch = webSearchView.SelectedItem as WebSearch;
-            if (selectedWebSearch != null)
-            {
-                WebSearchSetting webSearch = new WebSearchSetting(this, _settings);
-                webSearch.UpdateItem(selectedWebSearch);
-                webSearch.ShowDialog();
-            }
-            else
-            {
-                string warning = Context.API.GetTranslation("wox_plugin_websearch_pls_select_web_search");
-                MessageBox.Show(warning);
-            }
-        }
-
-        private void CbEnableWebSearchSuggestion_OnChecked(object sender, RoutedEventArgs e)
-        {
-            comboBoxSuggestionSource.Visibility = Visibility.Visible;
-            _settings.EnableWebSearchSuggestion = true;
-        }
-
-        private void CbEnableWebSearchSuggestion_OnUnchecked(object sender, RoutedEventArgs e)
-        {
-            comboBoxSuggestionSource.Visibility = Visibility.Collapsed;
-            _settings.EnableWebSearchSuggestion = false;
-        }
-
-        private void ComboBoxSuggestionSource_OnSelectionChanged(object sender, SelectionChangedEventArgs e)
-        {
-            if (e.AddedItems.Count > 0)
-            {
-                _settings.WebSearchSuggestionSource = ((ComboBoxItem)e.AddedItems[0]).Content.ToString();
-            }
+            var selected = _settings.SelectedSearchSource;
+            var webSearch = new SearchSourceSettingWindow
+            (
+                _settings.SearchSources, _context, selected
+            );
+            webSearch.ShowDialog();
         }
     }
-}
+}
\ No newline at end of file
diff --git a/Plugins/Wox.Plugin.WebSearch/Wox.Plugin.WebSearch.csproj b/Plugins/Wox.Plugin.WebSearch/Wox.Plugin.WebSearch.csproj
index 8826164da9..f18715843c 100644
--- a/Plugins/Wox.Plugin.WebSearch/Wox.Plugin.WebSearch.csproj
+++ b/Plugins/Wox.Plugin.WebSearch/Wox.Plugin.WebSearch.csproj
@@ -59,6 +59,8 @@
       <Link>Properties\SolutionAssemblyInfo.cs</Link>
     </Compile>
     <Compile Include="Properties\AssemblyInfo.cs" />
+    <Compile Include="SearchSourceViewModel.cs" />
+    <Compile Include="SettingsViewModel.cs" />
     <Compile Include="SuggestionSources\Baidu.cs" />
     <Compile Include="SuggestionSources\Google.cs" />
     <Compile Include="SuggestionSources\ISuggestionSource.cs" />
@@ -162,6 +164,10 @@
     </Page>
   </ItemGroup>
   <ItemGroup>
+    <ProjectReference Include="..\..\Wox.Core\Wox.Core.csproj">
+      <Project>{B749F0DB-8E75-47DB-9E5E-265D16D0C0D2}</Project>
+      <Name>Wox.Core</Name>
+    </ProjectReference>
     <ProjectReference Include="..\..\Wox.Infrastructure\Wox.Infrastructure.csproj">
       <Project>{4fd29318-a8ab-4d8f-aa47-60bc241b8da3}</Project>
       <Name>Wox.Infrastructure</Name>
diff --git a/Plugins/Wox.Plugin.WebSearch/packages.config b/Plugins/Wox.Plugin.WebSearch/packages.config
index c624079be1..86d89a0830 100644
--- a/Plugins/Wox.Plugin.WebSearch/packages.config
+++ b/Plugins/Wox.Plugin.WebSearch/packages.config
@@ -1,4 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
+
 <packages>
   <package id="JetBrains.Annotations" version="10.1.4" targetFramework="net452" />
   <package id="Newtonsoft.Json" version="8.0.3" targetFramework="net452" />
diff --git a/SolutionAssemblyInfo.cs b/SolutionAssemblyInfo.cs
index dccf0426c3..17bc04fb3a 100644
--- a/SolutionAssemblyInfo.cs
+++ b/SolutionAssemblyInfo.cs
@@ -2,6 +2,7 @@ using System.Reflection;
 using System.Runtime.InteropServices;
 
 #if DEBUG
+
 [assembly: AssemblyConfiguration("Debug")]
 [assembly: AssemblyDescription("Debug build, https://github.com/Wox-launcher/Wox")]
 #else
diff --git a/Wox.Core/Plugin/PluginManager.cs b/Wox.Core/Plugin/PluginManager.cs
index d2f768bb63..3685efa612 100644
--- a/Wox.Core/Plugin/PluginManager.cs
+++ b/Wox.Core/Plugin/PluginManager.cs
@@ -2,7 +2,6 @@
 using System.Collections.Generic;
 using System.IO;
 using System.Linq;
-using System.Threading;
 using System.Threading.Tasks;
 using Wox.Core.Resource;
 using Wox.Infrastructure;
@@ -30,16 +29,17 @@ namespace Wox.Core.Plugin
         public static readonly Dictionary<string, PluginPair> NonGlobalPlugins = new Dictionary<string, PluginPair>();
 
         public static IPublicAPI API { private set; get; }
+
         // todo happlebao, this should not be public, the indicator function should be embeded 
         public static PluginsSettings Settings;
         private static List<PluginMetadata> _metadatas;
-        private static readonly string[] Directories = { Infrastructure.Constant.PreinstalledDirectory, Infrastructure.Constant.UserDirectory };
+        private static readonly string[] Directories = { Constant.PreinstalledDirectory, Constant.UserDirectory };
 
         private static void ValidateUserDirectory()
         {
-            if (!Directory.Exists(Infrastructure.Constant.UserDirectory))
+            if (!Directory.Exists(Constant.UserDirectory))
             {
-                Directory.CreateDirectory(Infrastructure.Constant.UserDirectory);
+                Directory.CreateDirectory(Constant.UserDirectory);
             }
         }
 
@@ -238,59 +238,58 @@ namespace Wox.Core.Plugin
 
         }
 
-        public static void UpdateActionKeywordForPlugin(PluginPair plugin, string oldActionKeyword, string newActionKeyword)
+        public static bool ActionKeywordRegistered(string actionKeyword)
         {
-            var actionKeywords = plugin.Metadata.ActionKeywords;
-            if (string.IsNullOrEmpty(newActionKeyword))
+            if (actionKeyword != Query.GlobalPluginWildcardSign &&
+                NonGlobalPlugins.ContainsKey(actionKeyword))
             {
-                string msg = InternationalizationManager.Instance.GetTranslation("newActionKeywordsCannotBeEmpty");
-                throw new WoxPluginException(plugin.Metadata.Name, msg);
+                return true;
             }
-            // do nothing if they are same
-            if (oldActionKeyword == newActionKeyword) return;
-            if (NonGlobalPlugins.ContainsKey(newActionKeyword))
-            {
-                string msg = InternationalizationManager.Instance.GetTranslation("newActionKeywordsHasBeenAssigned");
-                throw new WoxPluginException(plugin.Metadata.Name, msg);
-            }
-
-            // add new action keyword
-            if (string.IsNullOrEmpty(oldActionKeyword))
-            {
-                actionKeywords.Add(newActionKeyword);
-                if (newActionKeyword == Query.GlobalPluginWildcardSign)
-                {
-                    GlobalPlugins.Add(plugin);
-                }
-                else
-                {
-                    NonGlobalPlugins[newActionKeyword] = plugin;
-                }
-            }
-            // update existing action keyword
             else
             {
-                int index = actionKeywords.IndexOf(oldActionKeyword);
-                actionKeywords[index] = newActionKeyword;
-                if (oldActionKeyword == Query.GlobalPluginWildcardSign)
-                {
-                    GlobalPlugins.Remove(plugin);
-                }
-                else
-                {
-                    NonGlobalPlugins.Remove(oldActionKeyword);
-                }
-                if (newActionKeyword == Query.GlobalPluginWildcardSign)
-                {
-                    GlobalPlugins.Add(plugin);
-                }
-                else
-                {
-                    NonGlobalPlugins[newActionKeyword] = plugin;
-                }
+                return false;
             }
-
         }
 
+        public static void AddActionKeyword(string id, string newActionKeyword)
+        {
+            var plugin = GetPluginForId(id);
+            if (newActionKeyword == Query.GlobalPluginWildcardSign)
+            {
+                GlobalPlugins.Add(plugin);
+            }
+            else
+            {
+                NonGlobalPlugins[newActionKeyword] = plugin;
+            }
+            AllPlugins.Add(plugin);
+
+            plugin.Metadata.ActionKeywords.Add(newActionKeyword);
+        }
+
+        public static void RemoveActionKeyword(string id, string oldActionkeyword)
+        {
+            var plugin = GetPluginForId(id);
+            if (oldActionkeyword == Query.GlobalPluginWildcardSign)
+            {
+                GlobalPlugins.Remove(plugin);
+            }
+            else
+            {
+                NonGlobalPlugins.Remove(oldActionkeyword);
+            }
+            AllPlugins.Remove(plugin);
+
+            plugin.Metadata.ActionKeywords.Remove(oldActionkeyword);
+        }
+
+        public static void ReplaceActionKeyword(string id, string oldActionKeyword, string newActionKeyword)
+        {
+            if (oldActionKeyword != newActionKeyword)
+            {
+                AddActionKeyword(id, newActionKeyword);
+                RemoveActionKeyword(id, oldActionKeyword);
+            }
+        }
     }
 }
diff --git a/Wox.Infrastructure/Exception/WoxPluginException.cs b/Wox.Infrastructure/Exception/WoxPluginException.cs
index d94788b4db..b68af28ab0 100644
--- a/Wox.Infrastructure/Exception/WoxPluginException.cs
+++ b/Wox.Infrastructure/Exception/WoxPluginException.cs
@@ -14,9 +14,5 @@
         {
             PluginName = pluginName;
         }
-
-        public WoxPluginException(string msg) : base(msg)
-        {
-        }
     }
 }
diff --git a/Wox.Infrastructure/UserSettings/PluginSettings.cs b/Wox.Infrastructure/UserSettings/PluginSettings.cs
index cc84d609e1..c80ee7e722 100644
--- a/Wox.Infrastructure/UserSettings/PluginSettings.cs
+++ b/Wox.Infrastructure/UserSettings/PluginSettings.cs
@@ -34,12 +34,6 @@ namespace Wox.Infrastructure.UserSettings
                 }
             }
         }
-
-        public void UpdateActionKeyword(PluginMetadata metadata)
-        {
-            var settings = Plugins[metadata.ID];
-            settings.ActionKeywords = metadata.ActionKeywords;
-        }
     }
     public class Plugin
     {
diff --git a/Wox.Plugin/Feature.cs b/Wox.Plugin/Feature.cs
index 4da04e5ba4..6d1aa37fd3 100644
--- a/Wox.Plugin/Feature.cs
+++ b/Wox.Plugin/Feature.cs
@@ -1,5 +1,6 @@
 using System;
 using System.Collections.Generic;
+using System.Collections.Specialized;
 
 namespace Wox.Plugin
 {
@@ -37,19 +38,6 @@ namespace Wox.Plugin
         string GetTranslatedPluginDescription();
     }
 
-    public interface IMultipleActionKeywords : IFeatures
-    {
-        event ActionKeywordsChangedEventHandler ActionKeywordsChanged;
-    }
-
-    public class ActionKeywordsChangedEventArgs : EventArgs
-    {
-        public string OldActionKeyword { get; set; }
-        public string NewActionKeyword { get; set; }
-    }
-
-    public delegate void ActionKeywordsChangedEventHandler(IMultipleActionKeywords sender, ActionKeywordsChangedEventArgs e);
-
     public interface IResultUpdated : IFeatures
     {
         event ResultUpdatedEventHandler ResultsUpdated;
diff --git a/Wox/ActionKeywords.xaml.cs b/Wox/ActionKeywords.xaml.cs
index 676eade660..2dc0e02bd1 100644
--- a/Wox/ActionKeywords.xaml.cs
+++ b/Wox/ActionKeywords.xaml.cs
@@ -11,6 +11,7 @@ namespace Wox
     {
         private PluginPair _plugin;
         private Settings _settings;
+        private readonly Internationalization _translater = InternationalizationManager.Instance;
 
         public ActionKeywords(string pluginId, Settings settings)
         {
@@ -19,7 +20,7 @@ namespace Wox
             _settings = settings;
             if (_plugin == null)
             {
-                MessageBox.Show(InternationalizationManager.Instance.GetTranslation("cannotFindSpecifiedPlugin"));
+                MessageBox.Show(_translater.GetTranslation("cannotFindSpecifiedPlugin"));
                 Close();
             }
         }
@@ -39,21 +40,18 @@ namespace Wox
         {
             var oldActionKeyword = _plugin.Metadata.ActionKeywords[0];
             var newActionKeyword = tbAction.Text.Trim();
-            try
+            if (!PluginManager.ActionKeywordRegistered(newActionKeyword))
             {
-                // update in-memory data
-                PluginManager.UpdateActionKeywordForPlugin(_plugin, oldActionKeyword, newActionKeyword);
+                var id = _plugin.Metadata.ID;
+                PluginManager.ReplaceActionKeyword(id, oldActionKeyword, newActionKeyword);
+                MessageBox.Show(_translater.GetTranslation("succeed"));
+                Close();
             }
-            catch (WoxPluginException e)
+            else
             {
-                MessageBox.Show(e.Message);
-                return;
+                string msg = _translater.GetTranslation("newActionKeywordsHasBeenAssigned");
+                MessageBox.Show(msg);
             }
-            // update persistant data
-            _settings.PluginSettings.UpdateActionKeyword(_plugin.Metadata);
-
-            MessageBox.Show(InternationalizationManager.Instance.GetTranslation("succeed"));
-            Close();
         }
     }
 }
diff --git a/Wox/SettingWindow.xaml b/Wox/SettingWindow.xaml
index 1f85073ff5..b7ebd1de43 100644
--- a/Wox/SettingWindow.xaml
+++ b/Wox/SettingWindow.xaml
@@ -83,10 +83,10 @@
                                     <Image Source="{Binding Image, IsAsync=True}"
                                            Width="32" Height="32" />
                                     <StackPanel Margin="3 0 3 0">
-                                        <TextBlock Text="{Binding Metadata.Name}"
-                                                   ToolTip="{Binding Metadata.Name}" />
-                                        <TextBlock Text="{Binding Metadata.Description}"
-                                                   ToolTip="{Binding Metadata.Description}"
+                                        <TextBlock Text="{Binding PluginPair.Metadata.Name}"
+                                                   ToolTip="{Binding PluginPair.Metadata.Name}" />
+                                        <TextBlock Text="{Binding PluginPair.Metadata.Description}"
+                                                   ToolTip="{Binding PluginPair.Metadata.Description}"
                                                    Opacity="0.5" />
                                     </StackPanel>
                                 </StackPanel>
@@ -119,8 +119,8 @@
                                         <ColumnDefinition />
                                         <ColumnDefinition />
                                     </Grid.ColumnDefinitions>
-                                    <TextBlock Text="{Binding Metadata.Name}"
-                                               ToolTip="{Binding Metadata.Name}"
+                                    <TextBlock Text="{Binding PluginPair.Metadata.Name}"
+                                               ToolTip="{Binding PluginPair.Metadata.Name}"
                                                Grid.Column="0"
                                                Cursor="Hand" MouseUp="OnPluginNameClick" FontSize="24"
                                                HorizontalAlignment="Left" />
@@ -128,14 +128,14 @@
                                                 VerticalAlignment="Bottom" Opacity="0.5">
                                         <TextBlock Text="{DynamicResource author}" />
                                         <TextBlock Text=": " />
-                                        <TextBlock Text="{Binding Metadata.Author}" ToolTip="{Binding Metadata.Author}" />
+                                        <TextBlock Text="{Binding PluginPair.Metadata.Author}" ToolTip="{Binding PluginPair.Metadata.Author}" />
                                     </StackPanel>
                                 </Grid>
-                                <TextBlock Text="{Binding Metadata.Description}"
-                                           ToolTip="{Binding Metadata.Description}"
+                                <TextBlock Text="{Binding PluginPair.Metadata.Description}"
+                                           ToolTip="{Binding PluginPair.Metadata.Description}"
                                            Grid.Row="1" Opacity="0.5" />
                                 <DockPanel Grid.Row="2" Margin="0 10 0 8">
-                                    <CheckBox IsChecked="{Binding Metadata.Disabled}" Checked="OnPluginToggled"
+                                    <CheckBox IsChecked="{Binding PluginPair.Metadata.Disabled}" Checked="OnPluginToggled"
                                               Unchecked="OnPluginToggled">
                                         <TextBlock Text="{DynamicResource disable}" />
                                     </CheckBox>
diff --git a/Wox/SettingWindow.xaml.cs b/Wox/SettingWindow.xaml.cs
index 060b399eb4..4b92841013 100644
--- a/Wox/SettingWindow.xaml.cs
+++ b/Wox/SettingWindow.xaml.cs
@@ -214,15 +214,15 @@ namespace Wox
 
         private void OnPluginToggled(object sender, RoutedEventArgs e)
         {
-            var id = _viewModel.SelectedPlugin.Metadata.ID;
-            _settings.PluginSettings.Plugins[id].Disabled = _viewModel.SelectedPlugin.Metadata.Disabled;
+            var id = _viewModel.SelectedPlugin.PluginPair.Metadata.ID;
+            _settings.PluginSettings.Plugins[id].Disabled = _viewModel.SelectedPlugin.PluginPair.Metadata.Disabled;
         }
 
         private void OnPluginActionKeywordsClick(object sender, MouseButtonEventArgs e)
         {
             if (e.ChangedButton == MouseButton.Left)
             {
-                var id = _viewModel.SelectedPlugin.Metadata.ID;
+                var id = _viewModel.SelectedPlugin.PluginPair.Metadata.ID;
                 ActionKeywords changeKeywordsWindow = new ActionKeywords(id, _settings);
                 changeKeywordsWindow.ShowDialog();
             }
@@ -234,7 +234,7 @@ namespace Wox
             {
                 if (e.ChangedButton == MouseButton.Left)
                 {
-                    var website = _viewModel.SelectedPlugin.Metadata.Website;
+                    var website = _viewModel.SelectedPlugin.PluginPair.Metadata.Website;
                     if (!string.IsNullOrEmpty(website))
                     {
                         var uri = new Uri(website);
@@ -251,7 +251,7 @@ namespace Wox
         {
             if (e.ChangedButton == MouseButton.Left)
             {
-                var directory = _viewModel.SelectedPlugin.Metadata.PluginDirectory;
+                var directory = _viewModel.SelectedPlugin.PluginPair.Metadata.PluginDirectory;
                 if (!string.IsNullOrEmpty(directory) && Directory.Exists(directory))
                 {
                     Process.Start(directory);
diff --git a/Wox/ViewModel/PluginViewModel.cs b/Wox/ViewModel/PluginViewModel.cs
index ec682835b7..b1ae890938 100644
--- a/Wox/ViewModel/PluginViewModel.cs
+++ b/Wox/ViewModel/PluginViewModel.cs
@@ -9,15 +9,13 @@ namespace Wox.ViewModel
     public class PluginViewModel : BaseModel
     {
         public PluginPair PluginPair { get; set; }
-        public PluginMetadata Metadata { get; set; }
-        public IPlugin Plugin { get; set; }
 
         private readonly Internationalization _translator = InternationalizationManager.Instance;
 
-        public ImageSource Image => ImageLoader.Load(Metadata.IcoPath);
-        public Visibility ActionKeywordsVisibility => Metadata.ActionKeywords.Count > 1 ? Visibility.Collapsed : Visibility.Visible;
-        public string InitilizaTime => string.Format(_translator.GetTranslation("plugin_init_time"), Metadata.InitTime);
-        public string QueryTime => string.Format(_translator.GetTranslation("plugin_query_time"), Metadata.AvgQueryTime);
-        public string ActionKeywordsText => string.Join(Query.ActionKeywordSeperater, Metadata.ActionKeywords);
+        public ImageSource Image => ImageLoader.Load(PluginPair.Metadata.IcoPath);
+        public Visibility ActionKeywordsVisibility => PluginPair.Metadata.ActionKeywords.Count > 1 ? Visibility.Collapsed : Visibility.Visible;
+        public string InitilizaTime => string.Format(_translator.GetTranslation("plugin_init_time"), PluginPair.Metadata.InitTime);
+        public string QueryTime => string.Format(_translator.GetTranslation("plugin_query_time"), PluginPair.Metadata.AvgQueryTime);
+        public string ActionKeywordsText => string.Join(Query.ActionKeywordSeperater, PluginPair.Metadata.ActionKeywords);
     }
 }
diff --git a/Wox/ViewModel/ResultViewModel.cs b/Wox/ViewModel/ResultViewModel.cs
index d7fd9365c1..bebbf5aa7b 100644
--- a/Wox/ViewModel/ResultViewModel.cs
+++ b/Wox/ViewModel/ResultViewModel.cs
@@ -36,14 +36,7 @@ namespace Wox.ViewModel
 
         public string PluginID => RawResult.PluginID;
 
-        public ImageSource Image
-        {
-            get
-            {
-                var image = ImageLoader.Load(RawResult.IcoPath);
-                return image;
-            }
-        }
+        public ImageSource Image => ImageLoader.Load(RawResult.IcoPath);
 
         public int Score
         {
diff --git a/Wox/ViewModel/SettingWindowViewModel.cs b/Wox/ViewModel/SettingWindowViewModel.cs
index ad9cc8921b..016f38a513 100644
--- a/Wox/ViewModel/SettingWindowViewModel.cs
+++ b/Wox/ViewModel/SettingWindowViewModel.cs
@@ -84,8 +84,6 @@ namespace Wox.ViewModel
                 var metadatas = plugins.Select(p => new PluginViewModel
                 {
                     PluginPair = p,
-                    Metadata = p.Metadata,
-                    Plugin = p.Plugin
                 }).ToList();
                 return metadatas;
             }
@@ -95,23 +93,9 @@ namespace Wox.ViewModel
         {
             get
             {
-                var settingProvider = SelectedPlugin.Plugin as ISettingProvider;
+                var settingProvider = SelectedPlugin.PluginPair.Plugin as ISettingProvider;
                 if (settingProvider != null)
                 {
-                    var multipleActionKeywordsProvider = settingProvider as IMultipleActionKeywords;
-                    if (multipleActionKeywordsProvider != null)
-                    {
-                        multipleActionKeywordsProvider.ActionKeywordsChanged += (o, e) =>
-                        {
-                            // update in-memory data
-                            PluginManager.UpdateActionKeywordForPlugin(SelectedPlugin.PluginPair, e.OldActionKeyword,
-                                e.NewActionKeyword);
-                            // update persistant data
-                            Settings.PluginSettings.UpdateActionKeyword(SelectedPlugin.Metadata);
-
-                            MessageBox.Show(_translater.GetTranslation("succeed"));
-                        };
-                    }
                     var control = settingProvider.CreateSettingPanel();
                     control.HorizontalAlignment = HorizontalAlignment.Stretch;
                     control.VerticalAlignment = VerticalAlignment.Stretch;
@@ -124,6 +108,8 @@ namespace Wox.ViewModel
             }
         }
 
+
+
         #endregion
 
         #region theme