diff --git a/node_modules/attach.js b/node_modules/attach.js
index 2781c4fe..ddb0a1fd 100644
--- a/node_modules/attach.js
+++ b/node_modules/attach.js
@@ -7,6 +7,6 @@ function log(o) {
 }
 
 // 附件服务
-var Attach = {
+var Attach = {}
 
-module.exports = Attach;
\ No newline at end of file
+module.exports = Attach;