diff --git a/modules/modulebase.go b/modules/modulebase.go
index 9e7d05596..8810de7f5 100644
--- a/modules/modulebase.go
+++ b/modules/modulebase.go
@@ -148,7 +148,7 @@ func (this *ModuleBase) SendMsgToUser(mainType, subType string, msg proto.Messag
 //向多个用户发送消息
 func (this *ModuleBase) SendMsgToUsers(mainType, subType string, msg proto.Message, uids ...string) (err error) {
 	var (
-		users    map[string]*pb.CacheUser
+		users    map[string]*pb.CacheUser       = make(map[string]*pb.CacheUser)
 		gateways map[string]map[string][]string = make(map[string]map[string][]string)
 		cluster  map[string][]string            = make(map[string][]string)
 		gateway  []string