diff --git a/game-server/app/services/pushService.ts b/game-server/app/services/pushService.ts
index 01b9b175a..f9d78c3c4 100644
--- a/game-server/app/services/pushService.ts
+++ b/game-server/app/services/pushService.ts
@@ -145,6 +145,8 @@ export async function sendMessageToTeam(teamCode: string, route: string, data: a
 }
 
 export function addUserToChannel(channel: Channel, roleId: string, sid: string) {
+    let member = channel.getMember(roleId);
+    if(member && member.sid != sid) channel.removeMember(roleId);
     const users = channel.getMembers();
     if (users.indexOf(roleId) === -1) {
         channel.add(roleId, sid);