注册： 验证码走过一次后端，都刷新

@@ -102,7 +102,7 @@ $btnNext.on('touchstart', function() {
                 if (data.code === 200) {
                     location.href = data.data;
                 } else {
-                    data.refreshCaptcha && refreshCaptcha();
+                    refreshCaptcha();
 
                     showErrTip(data.message);
                     requested = false;
@@ -110,6 +110,7 @@ $btnNext.on('touchstart', function() {
             },
             error: function() {
                 showErrTip('出错了，请重试');
+                refreshCaptcha();
                 requested = false;
             }
         });