diff --git a/src/modules/launcher/Wox.Plugin/Common/DefaultBrowserInfo.cs b/src/modules/launcher/Wox.Plugin/Common/DefaultBrowserInfo.cs
index 92b5cf4349..45e3578a41 100644
--- a/src/modules/launcher/Wox.Plugin/Common/DefaultBrowserInfo.cs
+++ b/src/modules/launcher/Wox.Plugin/Common/DefaultBrowserInfo.cs
@@ -187,7 +187,7 @@ namespace Wox.Plugin.Common
 
                     if (string.IsNullOrEmpty(Path))
                     {
-                        throw new Exception("Browser path is null or empty.");
+                        throw new ArgumentOutOfRangeException(nameof(Path), "Browser path is null or empty.");
                     }
                 }
                 catch (Exception e)
@@ -217,7 +217,7 @@ namespace Wox.Plugin.Common
                         return stringBuilder.ToString();
                     }
 
-                    throw new Exception("Could not load indirect string.");
+                    throw new ArgumentNullException(nameof(Path), "Could not load indirect string.");
                 }
             }
         }
diff --git a/src/modules/launcher/Wox.Plugin/Common/Win32/NativeMethods.cs b/src/modules/launcher/Wox.Plugin/Common/Win32/NativeMethods.cs
index 9f8b08c4a7..504683d89e 100644
--- a/src/modules/launcher/Wox.Plugin/Common/Win32/NativeMethods.cs
+++ b/src/modules/launcher/Wox.Plugin/Common/Win32/NativeMethods.cs
@@ -801,9 +801,9 @@ namespace Wox.Plugin.Common.Win32
             return !r1.Equals(r2);
         }
 
-        public bool Equals(RECT r)
+        public bool Equals(RECT other)
         {
-            return r.Left == Left && r.Top == Top && r.Right == Right && r.Bottom == Bottom;
+            return other.Left == Left && other.Top == Top && other.Right == Right && other.Bottom == Bottom;
         }
 
         public override bool Equals(object obj)
diff --git a/src/modules/launcher/Wox.Plugin/Constant.cs b/src/modules/launcher/Wox.Plugin/Constant.cs
index 8aefc427b4..f66d9b36ad 100644
--- a/src/modules/launcher/Wox.Plugin/Constant.cs
+++ b/src/modules/launcher/Wox.Plugin/Constant.cs
@@ -18,7 +18,7 @@ namespace Wox.Plugin
         {
             if (obj == null)
             {
-                throw new NullReferenceException();
+                throw new ArgumentNullException(nameof(obj));
             }
             else
             {
diff --git a/src/modules/launcher/Wox.Plugin/Wox.Plugin.csproj b/src/modules/launcher/Wox.Plugin/Wox.Plugin.csproj
index 0944b1a81f..d946dcc4bf 100644
--- a/src/modules/launcher/Wox.Plugin/Wox.Plugin.csproj
+++ b/src/modules/launcher/Wox.Plugin/Wox.Plugin.csproj
@@ -14,6 +14,8 @@
     <AppendRuntimeIdentifierToOutputPath>false</AppendRuntimeIdentifierToOutputPath>
     <Platforms>x64</Platforms>
     <NeutralLanguage>en-US</NeutralLanguage>
+    <EnableNETAnalyzers>true</EnableNETAnalyzers>
+    <AnalysisMode>Recommended</AnalysisMode>
   </PropertyGroup>