diff --git a/rpc/rpchandler.go b/rpc/rpchandler.go
index 2e4aef2..c99e791 100644
--- a/rpc/rpchandler.go
+++ b/rpc/rpchandler.go
@@ -80,6 +80,7 @@ type IRpcHandler interface {
 	CallNode(nodeId int,serviceMethod string,args interface{},reply interface{}) error
 	GoNode(nodeId int,serviceMethod string,args interface{}) error
 	RawGoNode(rpcProcessorType RpcProcessorType,nodeId int,serviceMethod string,args IRawInputArgs) error
+	CastGo(serviceMethod string,args interface{})
 	IsSingleCoroutine() bool
 }
 
diff --git a/service/module.go b/service/module.go
index 9fc38bb..3b24d80 100644
--- a/service/module.go
+++ b/service/module.go
@@ -134,6 +134,7 @@ func (m *Module) ReleaseModule(moduleId int64){
 	pModule.dispatcher = nil
 	pModule.ancestor = nil
 	pModule.descendants = nil
+	pModule.IRpcHandler = nil
 }
 
 func (m *Module) NewModuleId() int64{
diff --git a/service/service.go b/service/service.go
index 130a2ca..267a438 100644
--- a/service/service.go
+++ b/service/service.go
@@ -61,7 +61,7 @@ func (s *Service) Init(iService IService,getClientFun rpc.FuncRpcClient,getServe
 	s.dispatcher =timer.NewDispatcher(timerDispatcherLen)
 
 	s.rpcHandler.InitRpcHandler(iService.(rpc.IRpcHandler),getClientFun,getServerFun)
-	s.IRpcHandler = s
+	s.IRpcHandler = &s.rpcHandler
 	s.self = iService.(IModule)
 	//初始化祖先
 	s.ancestor = iService.(IModule)