Merge branch 'release/4.9.1.0'

@@ -391,9 +391,19 @@ $(document).on('click', '.s-footer .checkbox', function() {
 /*
  * 数据提交
  */
+$('.s-submit').data('isClick', true);
 $(document).on('click', '.s-submit', function() {
     var obj = changeSuccess(),
         FAILURE_CAUSE;
+    var $that = $(this);
+
+    // 存cookie 记录状态
+    localStorage.setItem(STUDENTCOOKIES, JSON.stringify(obj.data));
+
+    if ($that.data('isClick') === false) {
+        return;
+    }
+    $that.data('isClick', false);
 
     if (!obj.msg) {
         $.ajax({
@@ -412,15 +422,15 @@ $(document).on('click', '.s-submit', function() {
                         }
                     }, true);
                 }
-
                 location.href = data.data;
             } else {
+                $that.data('isClick', true);
                 tip.show(data.message);
             }
-
         });
     } else {
         tip.show(obj.msg);
+        $that.data('isClick', true);
         if (obj.msg.indexOf('字段为空') > -1) {
             FAILURE_CAUSE = 1;
         } else if (obj.msg.indexOf('认证协议') > -1) {