diff --git a/Plugins/Wox.Plugin.ControlPanel/Main.cs b/Plugins/Wox.Plugin.ControlPanel/Main.cs
index 4abea83392..14b870da44 100644
--- a/Plugins/Wox.Plugin.ControlPanel/Main.cs
+++ b/Plugins/Wox.Plugin.ControlPanel/Main.cs
@@ -35,20 +35,6 @@ namespace Wox.Plugin.ControlPanel
                     item.Icon.ToBitmap().Save(iconFolder + item.GUID + fileType);
                 }
             }
-
-            Task.Run(() =>
-            {
-                var characters = controlPanelItems.Select(i => i.LocalizedString)
-                    .Concat(controlPanelItems.Select(i => i.InfoTip));
-
-                Parallel.ForEach(characters, c =>
-                {
-                    if (!string.IsNullOrWhiteSpace(c) && Alphabet.ContainsChinese(c))
-                    {
-                        Alphabet.PinyinComination(c);
-                    }
-                });
-            });
         }
 
         public List<Result> Query(Query query)
diff --git a/Plugins/Wox.Plugin.Program/Main.cs b/Plugins/Wox.Plugin.Program/Main.cs
index f36d37e463..6fdcd1b124 100644
--- a/Plugins/Wox.Plugin.Program/Main.cs
+++ b/Plugins/Wox.Plugin.Program/Main.cs
@@ -83,19 +83,6 @@ namespace Wox.Plugin.Program
             });
             Task.WaitAll(t1, t2);
 
-            var characters = w.Select(p => p.Name)
-                .Concat(w.Select(p => p.Description))
-                .Concat(u.Select(p => p.DisplayName))
-                .Concat(u.Select(p => p.Description));
-
-            Parallel.ForEach(characters, c =>
-            {
-                if (!string.IsNullOrWhiteSpace(c) && Alphabet.ContainsChinese(c))
-                {
-                    Alphabet.PinyinComination(c);
-                }
-            });
-
             lock (IndexLock)
             {
                 _win32s = w;
diff --git a/Wox.Infrastructure/Alphabet.cs b/Wox.Infrastructure/Alphabet.cs
index 896cda979f..8bf71321ca 100644
--- a/Wox.Infrastructure/Alphabet.cs
+++ b/Wox.Infrastructure/Alphabet.cs
@@ -4,17 +4,32 @@ using System.Collections.Generic;
 using System.Linq;
 using hyjiacan.util.p4n;
 using hyjiacan.util.p4n.format;
+using Wox.Infrastructure.Logger;
+using Wox.Infrastructure.Storage;
 
 namespace Wox.Infrastructure
 {
     public static class Alphabet
     {
         private static readonly HanyuPinyinOutputFormat Format = new HanyuPinyinOutputFormat();
-        private static readonly ConcurrentDictionary<string, string[][]> PinyinCache = new ConcurrentDictionary<string, string[][]>();
+        private static ConcurrentDictionary<string, string[][]> PinyinCache;
+        private static BinaryStorage<ConcurrentDictionary<string, string[][]>> _pinyinStorage;
 
-        static Alphabet()
+        public static void Initialize()
         {
             Format.setToneType(HanyuPinyinToneType.WITHOUT_TONE);
+
+            Stopwatch.Normal("|Wox.Infrastructure.Alphabet.Initialize|Preload pinyin cache", () =>
+            {
+                _pinyinStorage = new BinaryStorage<ConcurrentDictionary<string, string[][]>>("Pinyin");
+                PinyinCache = _pinyinStorage.TryLoad(new ConcurrentDictionary<string, string[][]>());
+            });
+            Log.Info($"|Wox.Infrastructure.Alphabet.Initialize|Number of preload pinyin combination<{PinyinCache.Count}>");
+        }
+
+        public static void Save()
+        {
+            _pinyinStorage.Save(PinyinCache);
         }
 
         /// <summary>
@@ -98,5 +113,7 @@ namespace Wox.Infrastructure
             ).ToArray();
             return combination;
         }
+
+
     }
 }
diff --git a/Wox/App.xaml.cs b/Wox/App.xaml.cs
index f2e61bd3bf..0bbd90b917 100644
--- a/Wox/App.xaml.cs
+++ b/Wox/App.xaml.cs
@@ -53,6 +53,7 @@ namespace Wox
                 PluginManager.InitializePlugins(API);
 
                 ImageLoader.Initialize();
+                Alphabet.Initialize();
 
                 Current.MainWindow = window;
                 Current.MainWindow.Title = Infrastructure.Constant.Wox;
@@ -136,6 +137,7 @@ namespace Wox
 
                 PluginManager.Save();
                 ImageLoader.Save();
+                Alphabet.Save();
 
                 _disposed = true;
             }