diff --git a/src/components/CommonFooter.vue b/src/components/CommonFooter.vue
index 74d75bb..ef87573 100644
--- a/src/components/CommonFooter.vue
+++ b/src/components/CommonFooter.vue
@@ -273,7 +273,7 @@
       <!-- this customer service popup -->
       <div class="cspopup" :class='{"hidden":ispopup?"":"none"}'>
         <a href="javascript:void(0);" class="close_btn" @click="closebox();">x</a>
-        <iframe width="100%" height="100%" class="my-modal-body" src="https://cs.btcaholic.com/chat/?toid=2" frameborder="0"></iframe>
+        <iframe width="100%" height="100%" class="my-modal-body" :src="ifurl" frameborder="0"></iframe>
       </div>
 
     </div>
@@ -301,6 +301,7 @@ export default {
         { src: "https://www.rsncoin.com/static/flag/youtube.jpg" },
       ],
       ispopup:false, // customer service box 
+      ifurl:"", // chat URL
       langList: [
         // {
         //     value: "cn", // zh-CN
@@ -386,6 +387,7 @@ export default {
     },
   },
   methods: {
+    //go to url
     Jump(vle){
       this.$router.push(vle);
     },
@@ -439,7 +441,13 @@ export default {
     scbox(e){
       // under login 
       if (this.isLogin) {
+        // get user infomation
+        let user_str = localStorage.getItem("auth")
+        let user = JSON.parse(user_str)
+        this.ifurl ="https://cs.btcaholic.com/chat/?toid="+user.referrer
+        // show popup
         this.ispopup = ! this.ispopup
+
       }else{
         //
         console.log("login fisrt!!")