diff --git a/server/hallserver/room/roommgr.go b/server/hallserver/room/roommgr.go
index 95a126e3..79e361e5 100644
--- a/server/hallserver/room/roommgr.go
+++ b/server/hallserver/room/roommgr.go
@@ -13,7 +13,6 @@ import (
 type roomMgr struct {
 	cs.MsgHandlerImpl
 	currRoomId int32
-	currRoomIdx int64
 	idHash map[string]*room
 	roomList q5.ListHead
 }
@@ -22,7 +21,6 @@ func (this *roomMgr) Init() {
 	this.idHash = make(map[string]*room)
 	this.roomList.Init(nil)
 	this.currRoomId = 10000
-	this.currRoomIdx = 10000
 }
 
 func (this *roomMgr) UnInit() {
@@ -127,6 +125,5 @@ func  (this *roomMgr) genRoomId() int32 {
 }
 
 func  (this *roomMgr) genRoomIdx() int64 {
-	this.currRoomIdx++
-	return this.currRoomIdx
+	return f5.GetApp().NewUuid()
 }