diff --git a/app/templates/admin_manage_user.html b/app/templates/admin_manage_user.html
index a3f0ca0..cee4667 100644
--- a/app/templates/admin_manage_user.html
+++ b/app/templates/admin_manage_user.html
@@ -68,9 +68,9 @@
 <script>
     // 密码生成器
     function generatePassword(length) {
-        var charset = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789!@#$%^&*()_+~`|}{[]\:;?><,./-=";
-        var password = "";
-        for (var i = 0; i < length; i++) {
+        const charset = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789!@#$%^*()_+~`|}{[]\:;?,./-=";
+        let password = "";
+        for (let i = 0; i < length; i++) {
             password += charset.charAt(Math.floor(Math.random() * charset.length));
         }
         return password;