diff --git a/src/jsx/main.jsx b/src/jsx/main.jsx
index f712ae5..7d4331a 100644
--- a/src/jsx/main.jsx
+++ b/src/jsx/main.jsx
@@ -102,7 +102,7 @@ export class Main extends React.Component{
 
     openGrpGui(){
         if(this.state.grp_gui==='invi'){
-            this.setState({grp_gui:'vi',"css":".group{opacity:1}"});
+            this.setState({grp_gui:'vi',"css":".group{opacity:1} .user.disappear{opacity: 1 !important; }"});
 
         }else{
             this.setState({grp_gui:'invi',"css":".group{opacity:0}"});
diff --git a/src/jsx/ui/student.jsx b/src/jsx/ui/student.jsx
index 4a4e22c..d532121 100644
--- a/src/jsx/ui/student.jsx
+++ b/src/jsx/ui/student.jsx
@@ -45,7 +45,7 @@ export class Student extends React.Component{
         var c = "user chosen_"+this.state.num+' '+this.state.dis;
         return (
             <div className={c}>
-                <div className="group">{this.state.group}</div>
+                <div className="group">{this.state.group+1}</div>
                 <div className="user_img"><img src={this.state.img_url} onError={this.onErr} alt=""></img></div>
                 <div className="username">{this.state.username}</div>
             </div>
diff --git a/src_less/grp_gui.less b/src_less/grp_gui.less
index 237261a..98adb47 100644
--- a/src_less/grp_gui.less
+++ b/src_less/grp_gui.less
@@ -20,4 +20,4 @@
         color: #FFF;
     }
 
-}
+}
\ No newline at end of file