diff --git a/src/server/cluster/Cluster.go b/src/server/cluster/Cluster.go
index 4890647e..71835dd4 100644
--- a/src/server/cluster/Cluster.go
+++ b/src/server/cluster/Cluster.go
@@ -49,6 +49,11 @@ func Init() {
 	registerFunc(msg.CLUSTER_EXIT, ClusterExit)
 }
 
+// GetCallbackChanMu 返回 CallbackChan 的读写锁，供外部包安全访问 CallbackChan
+func GetCallbackChanMu() *sync.RWMutex {
+	return &callbackChanMu
+}
+
 func Destroy() {
 	if server != nil {
 		log.Release("closing cluster server")
diff --git a/src/server/game/message_mgr.go b/src/server/game/message_mgr.go
index e32512e9..6b04a35e 100644
--- a/src/server/game/message_mgr.go
+++ b/src/server/game/message_mgr.go
@@ -282,7 +282,11 @@ func PlayerMsgHandler(data *msg.Msg) (interface{}, error) {
 func PlayerReplyMsgHandler(data *msg.Msg) (interface{}, error) {
 	// 先处理同步回调
 	if data.UniKey != "" {
-		if chanel, ok := mergeCluster.CallbackChan[data.UniKey]; ok {
+		mergeCluster.GetCallbackChanMu().RLock()
+		chanel, ok := mergeCluster.CallbackChan[data.UniKey]
+		mergeCluster.GetCallbackChanMu().RUnlock()
+
+		if ok {
 			log.Debug("reply message ")
 			chanel <- data
 		}