diff --git a/public/css/room.css b/public/css/room.css
index 7d617ab..e544cd8 100644
--- a/public/css/room.css
+++ b/public/css/room.css
@@ -73,7 +73,7 @@ video{
     width: 100%;
     height: 100%;
     padding: 10rem;
-    grid-area: 1/1/3/4;
+    grid-area: 1/1/3/5;
     border-radius: 17rem;
 }
 .video-box{
diff --git a/public/js/iminit.js b/public/js/iminit.js
index d70933a..8066cb9 100644
--- a/public/js/iminit.js
+++ b/public/js/iminit.js
@@ -24,6 +24,22 @@ function getname(id){
   })
   
 }
+function getgrouplist(){
+    let promise = tim.getGroupOnlineMemberCount(window.roomid);
+    promise.then(function(imResponse) {
+      console.log(imResponse.data.memberCount);
+      if(imResponse.data.memberCount < 3){
+        $("#main-video").css("grid-area","1/1/3/5")
+        $(".liaotian").css("grid-area","3/1/4/5")
+      }else{
+        $("#main-video").css("grid-area","1/1/3/4")
+        $(".liaotian").css("grid-area","3/1/4/4")
+      }
+    }).catch(function(imError) {
+      console.warn('getGroupOnlineMemberCount error:', imError); // 获取直播群在线人数失败的相关信息
+    });
+}
+
 function formatDateTime (inputTime) {
   inputTime = inputTime * 1000
   var date = new Date(inputTime);
@@ -169,6 +185,9 @@ function formatDateTime (inputTime) {
                 default:
                 break;
             }
+            setInterval(() => {
+              getgrouplist()
+            }, 2000);
         }).catch((err)=>{
             console.log(err)
         })
@@ -189,6 +208,9 @@ function formatDateTime (inputTime) {
                 default:
                 break;
             }
+            setInterval(() => {
+              getgrouplist()
+            }, 2000);
         }).catch((err)=>{
             console.log(err)
         })
diff --git a/public/zhibo.html b/public/zhibo.html
index 8743b07..319ef21 100644
--- a/public/zhibo.html
+++ b/public/zhibo.html
@@ -65,7 +65,7 @@
             border-bottom: 1rem solid #EEEEEE;
         }
         .liaotian{
-            grid-area: 3/1/4/4;
+            grid-area: 3/1/4/5;
             margin-top: 28rem;
             height: 90%;
             margin-left: 10rem;