修复单个资源更新的Bug

Author: wanderer

GameFramework/Runtime/Resource/BundleAssetsHelper.cs

@@ -203,6 +203,7 @@ public void UnloadAssetBunlde(string assetBundleName, bool unload = false)
                 {
                     _assetBundleReferenceCount.Remove(assetBundle);
                 }
+                _liveAssetBundle.Remove(assetBundleName);
                 assetBundle.Unload(unload);
             }
         }

GameFramework/Runtime/Resource/ResourceVersion.cs

@@ -178,10 +178,11 @@ public bool UpdateResource(Action<float, double, double, float> callback, Action
             if (_updating)
                 return false;
 
-            if (!CheckResource())
+            if (string.IsNullOrEmpty(name) && !CheckResource())
             {
                 return false;
             }
+
             _updating = true;
             //整理下载资源
              CollateDownloadResources((needDownloadFiles)=> {
@@ -331,7 +332,10 @@ private void DownloadFiles(List<AssetHashInfo> needDownloadFiles,Action<float, d
                             //更新本地资源
                             if (downloadFileCount == needDownloadFiles.Count)
                             {
-                                UpdateLocalVersion();
+                                if (CheckResource())
+                                {
+                                    UpdateLocalVersion();
+                                }
                             }
                             needDownloadFiles = null;
                             _updating = false;