diff --git a/src/views/wel/index.vue b/src/views/wel/index.vue
index 7220b6d3..7441c488 100644
--- a/src/views/wel/index.vue
+++ b/src/views/wel/index.vue
@@ -1267,7 +1267,7 @@ const handleRefresh = () => {
   details.pageType =
     _userInfo.content && _userInfo.content.role_id + '' === '1713793784178806785' ? 1 : 2;
 
-  const timer = setInterval(() => {
+  let timer = setInterval(() => {
     const now = new Date();
     const year = now.getFullYear();
     const month = String(now.getMonth() + 1).padStart(2, '0');