diff --git a/assets b/assets
index c5e374f..8526ee7 160000
--- a/assets
+++ b/assets
@@ -1 +1 @@
-Subproject commit c5e374fd2c8cdfe8a4bece60dba7d27b047eb0f1
+Subproject commit 8526ee7a07d83da3293ebd4229118473791b0ed5
diff --git a/pkg/filesystem/image.go b/pkg/filesystem/image.go
index 40ff3da..16c1b77 100644
--- a/pkg/filesystem/image.go
+++ b/pkg/filesystem/image.go
@@ -38,7 +38,11 @@ func (fs *FileSystem) GetThumb(ctx context.Context, id uint) (*response.ContentR
 		res.MaxAge = model.GetIntSetting("preview_timeout", 60)
 	}
 
-	// TODO 出错时重新生成缩略图
+	// 出错时重新生成缩略图
+	if err != nil {
+		fs.GenerateThumbnail(ctx, &fs.FileTarget[0])
+	}
+
 	return res, err
 }