diff --git a/Application/Qrcode/Controller/QrCodePromotionController.class.php b/Application/Qrcode/Controller/QrCodePromotionController.class.php
index 6b853011d..fc9c8ee7d 100644
--- a/Application/Qrcode/Controller/QrCodePromotionController.class.php
+++ b/Application/Qrcode/Controller/QrCodePromotionController.class.php
@@ -204,10 +204,11 @@ class QrCodePromotionController extends BaseController
             if ($id > 0) {
                 $uniqueStr = $this->getUniqueStr();
                 $h5Link = ($isHttps? 'https://': 'http://').$_SERVER['HTTP_HOST']."/index.php?s=/Qrcode/Jump/jumpMp/{$uniqueStr}";
-                $expireDate = date('Y-m-d', strtotime("+90 day"));
+                $expireDate = date('Y-m-d', strtotime("+30 day"));
                 $shortLink = $this->getShortUrl($h5Link, $expireDate);
 
                 M('qrcode_promotion_list', 'tab_')->where(['id' => $id])->save([
+                    'unique_str' => $uniqueStr,
                     'h5_link' => $h5Link,
                     'short_link' => $shortLink
                 ]);
diff --git a/Application/Qrcode/View/default/QrCodePromotion/linkAdd.html b/Application/Qrcode/View/default/QrCodePromotion/linkAdd.html
index 26e45f4f3..706b9ffb7 100644
--- a/Application/Qrcode/View/default/QrCodePromotion/linkAdd.html
+++ b/Application/Qrcode/View/default/QrCodePromotion/linkAdd.html
@@ -53,6 +53,7 @@
 
 <script type="text/javascript">
   var imgIndex = 0;
+  var imgCnt = 0;
   $('#imgFile').uploadifive({
     'fileObjName':'file',
     'removeCompleted' : true,
@@ -60,7 +61,11 @@
     'buttonText' : '上传',
     'uploadScript' : '/index.php?s=/Qrcode/QrCodePromotion/uploadQrCodeBackground',
     'multi'    : true,
+    'onSelect' : function (queue) {
+      imgCnt = imgCnt + 1;
+    },
     'onUploadComplete' : function(file, data) {
+      imgCnt = imgCnt - 1;
       var res = eval('(' + data + ')');
       var src = res.path;
       $('#img').append('<img src=' + src + ' width="150px" height="150px"/>');
@@ -83,6 +88,10 @@
 
   $('.add-submit').on({
     click: function() {
+      if (imgCnt > 0) {
+        alert('请等待上次结束再次提交。');
+        return ;
+      }
       var id = $("#qp_id").val();
 
       var imgs = $("#form_link_add").serialize();