diff --git a/pkg/webdav/webdav.go b/pkg/webdav/webdav.go
index 8b248e4..208bd12 100644
--- a/pkg/webdav/webdav.go
+++ b/pkg/webdav/webdav.go
@@ -362,6 +362,7 @@ func (h *Handler) handlePut(w http.ResponseWriter, r *http.Request, fs *filesyst
 		if err == nil && len(fileList) == 0 {
 			// 如果包含软连接，应重新生成新文件副本，并更新source_name
 			originFile.SourceName = fs.GenerateSavePath(ctx, &fileData)
+			fileData.Mode &= ^fsctx.Overwrite
 			fs.Use("AfterUpload", filesystem.HookUpdateSourceName)
 			fs.Use("AfterUploadCanceled", filesystem.HookUpdateSourceName)
 			fs.Use("AfterValidateFailed", filesystem.HookUpdateSourceName)
diff --git a/service/explorer/file.go b/service/explorer/file.go
index f79c2f0..b58185b 100644
--- a/service/explorer/file.go
+++ b/service/explorer/file.go
@@ -401,6 +401,7 @@ func (service *FileIDService) PutContent(ctx context.Context, c *gin.Context) se
 	if err == nil && len(fileList) == 0 {
 		// 如果包含软连接，应重新生成新文件副本，并更新source_name
 		originFile[0].SourceName = fs.GenerateSavePath(uploadCtx, &fileData)
+		fileData.Mode &= ^fsctx.Overwrite
 		fs.Use("AfterUpload", filesystem.HookUpdateSourceName)
 		fs.Use("AfterUploadCanceled", filesystem.HookUpdateSourceName)
 		fs.Use("AfterValidateFailed", filesystem.HookUpdateSourceName)