diff --git a/rpc/client.go b/rpc/client.go
index e421c89..84bf68c 100644
--- a/rpc/client.go
+++ b/rpc/client.go
@@ -114,6 +114,7 @@ func (slf *Client) AsycGo(rpcHandler IRpcHandler,serviceMethod string,callback r
 
 	InParam,herr := processor.Marshal(args)
 	if herr != nil {
+		ReleaseCall(call)
 		return herr
 	}
 
@@ -125,19 +126,25 @@ func (slf *Client) AsycGo(rpcHandler IRpcHandler,serviceMethod string,callback r
 
 	bytes,err := processor.Marshal(request.RpcRequestData)
 	processor.ReleaseRpcRequest(request.RpcRequestData)
-
 	if err != nil {
+		slf.RemovePending(call.Seq)
+		ReleaseCall(call)
 		return err
 	}
+
 	if slf.conn == nil {
+		slf.RemovePending(call.Seq)
+		ReleaseCall(call)
 		return fmt.Errorf("Rpc server is disconnect,call %s is fail!",serviceMethod)
 	}
+
 	err = slf.conn.WriteMsg(bytes)
 	if err != nil {
-		call.Err = err
+		slf.RemovePending(call.Seq)
+		ReleaseCall(call)
 	}
 
-	return call.Err
+	return err
 }
 
 func (slf *Client) Go(noReply bool,serviceMethod string, args interface{},reply interface{}) *Call {
@@ -201,7 +208,6 @@ func (slf *Client) Run(){
 			continue
 		}
 
-
 		v := slf.FindPending(respone.RpcResponeData.GetSeq())
 		if v == nil {
 			log.Error("rpcClient cannot find seq %d in pending",respone.RpcResponeData.GetSeq())
diff --git a/rpc/rpchandler.go b/rpc/rpchandler.go
index 0ffd63b..10a1406 100644
--- a/rpc/rpchandler.go
+++ b/rpc/rpchandler.go
@@ -203,8 +203,8 @@ func (slf *RpcHandler) HandlerRpcRequest(request *RpcRequest) {
 				}
 		}
 	}()
-	defer processor.ReleaseRpcRequest(request.RpcRequestData)
 	defer ReleaseRpcRequest(request)
+	defer processor.ReleaseRpcRequest(request.RpcRequestData)
 
 	v,ok := slf.mapfunctons[request.RpcRequestData.GetServiceMethod()]
 	if ok == false {
diff --git a/rpc/server.go b/rpc/server.go
index 00cc320..57f1223 100644
--- a/rpc/server.go
+++ b/rpc/server.go
@@ -104,14 +104,14 @@ func (agent *RpcAgent) Run() {
 		req.RpcRequestData = processor.MakeRpcRequest(0,"",false,nil)
 		err = processor.Unmarshal(data,req.RpcRequestData)
 		if err != nil {
+			log.Error("rpc Unmarshal request is error: %v", err)
 			if req.RpcRequestData.GetSeq()>0 {
-				rpcError := RpcError("rpc Unmarshal request is error")
+				rpcError := RpcError(err.Error())
 				agent.WriteRespone(req.RpcRequestData.GetServiceMethod(),req.RpcRequestData.GetSeq(),nil,&rpcError)
 				processor.ReleaseRpcRequest(req.RpcRequestData)
 				ReleaseRpcRequest(req)
 				continue
 			}else{
-				log.Error("rpc Unmarshal request is error: %v", err)
 				//will close tcpconn
 				processor.ReleaseRpcRequest(req.RpcRequestData)
 				ReleaseRpcRequest(req)