diff --git a/m/js/main.js b/m/js/main.js
index 2480296..15acc8b 100644
--- a/m/js/main.js
+++ b/m/js/main.js
@@ -10920,7 +10920,7 @@ $(function () {
       var opw = $.trim($('input[name=opw]').val());
       var npw = $.trim($('input[name=npw]').val());
       var cnpw = $.trim($('input[name=cnpw]').val());
-      if (!new RegExp(/[A-Za-z0-9]{1,16}$/).test(opw)) {
+      if (opw.length <= 0) {
         $.alert('原密码不能为空');
         return;
       } else if (npw !== cnpw) {