diff --git a/Assets/VersionFlow/Editor/InspectorEditors/BuilderConfigEditor.cs b/Assets/VersionFlow/Editor/InspectorEditors/BuilderConfigEditor.cs
index 7eca287..4dc0fb1 100644
--- a/Assets/VersionFlow/Editor/InspectorEditors/BuilderConfigEditor.cs
+++ b/Assets/VersionFlow/Editor/InspectorEditors/BuilderConfigEditor.cs
@@ -1,10 +1,5 @@
-using System;
-using System.Collections.Generic;
-using System.ComponentModel;
-using System.IO;
+using System.Collections.Generic;
 using System.Linq;
-using System.Reflection;
-using System.Text;
 using UnityEditor;
 using UnityEngine;
 using VersionFlow.Runtime;
diff --git a/Assets/VersionFlow/Editor/SetupInstallBundle.cs b/Assets/VersionFlow/Editor/SetupInstallBundle.cs
index 5b0e034..979369d 100644
--- a/Assets/VersionFlow/Editor/SetupInstallBundle.cs
+++ b/Assets/VersionFlow/Editor/SetupInstallBundle.cs
@@ -1,6 +1,4 @@
-using System;
-using System.Collections.Generic;
-using System.IO;
+using System.Collections.Generic;
 using System.Linq;
 using UnityEditor;
 using UnityEngine;
diff --git a/Assets/VersionFlow/Editor/VersionFlowSettingWnd.cs b/Assets/VersionFlow/Editor/VersionFlowSettingWnd.cs
index 6d4a303..3782dec 100644
--- a/Assets/VersionFlow/Editor/VersionFlowSettingWnd.cs
+++ b/Assets/VersionFlow/Editor/VersionFlowSettingWnd.cs
@@ -1,5 +1,4 @@
-using System;
-using UnityEditor;
+using UnityEditor;
 using UnityEngine;
 using VersionFlow.Runtime;
 
diff --git a/Assets/VersionFlow/Runtime/ABEntity.cs b/Assets/VersionFlow/Runtime/ABEntity.cs
index 91a14ae..90dd9e9 100644
--- a/Assets/VersionFlow/Runtime/ABEntity.cs
+++ b/Assets/VersionFlow/Runtime/ABEntity.cs
@@ -5,7 +5,6 @@ using System.Diagnostics;
 using System.IO;
 using System.Text;
 using UnityEngine;
-using UnityEngine.AI;
 using UnityEngine.Assertions;
 using UnityEngine.Networking;
 using Object = UnityEngine.Object;
diff --git a/Assets/VersionFlow/Runtime/BundleManager.cs b/Assets/VersionFlow/Runtime/BundleManager.cs
index 359fb77..70f3058 100644
--- a/Assets/VersionFlow/Runtime/BundleManager.cs
+++ b/Assets/VersionFlow/Runtime/BundleManager.cs
@@ -388,7 +388,7 @@ namespace VersionFlow.Runtime
             {
                 var ab = GetEntityByAsset(asset);
                 if (ab != null)
-                { 
+                {
                     ab.UnLoadAsset(asset);
                 }
 
diff --git a/Assets/VersionFlow/Runtime/IVersionFlowVisual.cs b/Assets/VersionFlow/Runtime/IVersionFlowVisual.cs
index 9fe3a03..b662c45 100644
--- a/Assets/VersionFlow/Runtime/IVersionFlowVisual.cs
+++ b/Assets/VersionFlow/Runtime/IVersionFlowVisual.cs
@@ -1,7 +1,4 @@
 using System;
-using System.Collections;
-using System.Collections.Generic;
-using UnityEngine;
 
 namespace VersionFlow.Runtime
 {
@@ -11,7 +8,7 @@ namespace VersionFlow.Runtime
         void ShowDownloadProgress(ulong downloadBytes, ulong totalBytes);
         void HideDownloadProgress();
         void DownloadConfirm(ulong totalSize, Action<bool> confirm);
-        void OnError(string msg, string btnTxt, Action callback,string title = "错误");
+        void OnError(string msg, string btnTxt, Action callback, string title = "错误");
         void SetVersion(string localVer, string remoteVer);
     }
 }
diff --git a/Assets/VersionFlow/Runtime/LoadAssetRequest.cs b/Assets/VersionFlow/Runtime/LoadAssetRequest.cs
index b49203c..517061b 100644
--- a/Assets/VersionFlow/Runtime/LoadAssetRequest.cs
+++ b/Assets/VersionFlow/Runtime/LoadAssetRequest.cs
@@ -86,7 +86,7 @@ namespace VersionFlow.Runtime
             {
                 if (!IsDone)
                 {
-                    throw new Exception("Asset Load not Finish");                    
+                    throw new Exception("Asset Load not Finish");
                 }
                 var result = asset as T;
                 return result;
diff --git a/Assets/VersionFlow/Runtime/OptionalBundleDownloader.cs b/Assets/VersionFlow/Runtime/OptionalBundleDownloader.cs
index bca8b0c..40a77fa 100644
--- a/Assets/VersionFlow/Runtime/OptionalBundleDownloader.cs
+++ b/Assets/VersionFlow/Runtime/OptionalBundleDownloader.cs
@@ -2,8 +2,6 @@
 using System.Collections;
 using System.Collections.Generic;
 using System.Linq;
-using System.Text;
-using System.Threading.Tasks;
 using UnityEngine;
 
 namespace VersionFlow.Runtime
@@ -119,7 +117,8 @@ namespace VersionFlow.Runtime
                 }
 
                 if (m_downloadingAB.IsDownloading)
-                    yield return new WaitUntil(() => { 
+                    yield return new WaitUntil(() =>
+                    {
                         return !m_downloadingAB.IsDownloading;
                     });
                 else
diff --git a/Assets/VersionFlow/Runtime/PathHelper.cs b/Assets/VersionFlow/Runtime/PathHelper.cs
index 397d71e..861e327 100644
--- a/Assets/VersionFlow/Runtime/PathHelper.cs
+++ b/Assets/VersionFlow/Runtime/PathHelper.cs
@@ -72,5 +72,5 @@ namespace VersionFlow
             return $"{uri.Scheme}://{uri.Authority}{parentPath.TrimEnd('/')}";
         }
     }
-}
+}
 #endif
\ No newline at end of file
diff --git a/Assets/VersionFlow/Runtime/UnityResourceAPIOverride.cs b/Assets/VersionFlow/Runtime/UnityResourceAPIOverride.cs
index 0373936..0c3d60f 100644
--- a/Assets/VersionFlow/Runtime/UnityResourceAPIOverride.cs
+++ b/Assets/VersionFlow/Runtime/UnityResourceAPIOverride.cs
@@ -1,9 +1,4 @@
-using System;
-using System.Collections.Generic;
-using System.Linq;
-using System.Text;
-using System.Threading.Tasks;
-using UnityEngine;
+using UnityEngine;
 
 namespace VersionFlow.Runtime
 {
diff --git a/Assets/VersionFlow/Runtime/VersionFlowCoroutiner.cs b/Assets/VersionFlow/Runtime/VersionFlowCoroutiner.cs
index a7e9946..a174ce1 100644
--- a/Assets/VersionFlow/Runtime/VersionFlowCoroutiner.cs
+++ b/Assets/VersionFlow/Runtime/VersionFlowCoroutiner.cs
@@ -1,5 +1,3 @@
-using System.Collections;
-using System.Collections.Generic;
 using UnityEngine;
 
 namespace VersionFlow.Runtime