fix alert

backstage/static/js/sidebar.js

@@ -90,5 +90,8 @@ $("#updatePassword").on("input", (e) => {
 });
 
 $("#updateBtn").on("click", () => {
-  alert("更新成功");
+  let classValue = $('#updateBtn').attr('class');
+  if (!classValue.includes('disabled')) {
+    alert("更新成功");
+  }
 });