diff --git a/src/plugins/upload/hooks/index.ts b/src/plugins/upload/hooks/index.ts
index 4d113c5..57b6b71 100644
--- a/src/plugins/upload/hooks/index.ts
+++ b/src/plugins/upload/hooks/index.ts
@@ -33,7 +33,7 @@ export function useUpload() {
 					const ext = extname(file.name);
 
 					// 文件名
-					const name = filename(file.name) + '_' + fileId + ext;
+					const name = filename(file.name) + '_' + fileId + '.' + ext;
 
 					// Key
 					let key = isLocal ? name : pathJoin(prefixPath!, name);