diff --git a/business/msghub/msghub.go b/business/msghub/msghub.go
index 42835f92a..4f8d68057 100644
--- a/business/msghub/msghub.go
+++ b/business/msghub/msghub.go
@@ -91,7 +91,7 @@ func registerChan(storeID int, chan2Listen chan<- *ServerMsg) {
 func unregisterChan(storeID int, chan2Listen chan<- *ServerMsg) {
 	chan2Close := make(chan int)
 	msgChan <- &ServerMsg{
-		Type: ServerMsgRegister,
+		Type: ServerMsgUnregister,
 		MsgData: &MsgOp{
 			StoreID:     storeID,
 			Chan2Listen: chan2Listen,