diff --git a/service/ProbeService.go b/service/ProbeService.go
index 831d4e8..d873da3 100644
--- a/service/ProbeService.go
+++ b/service/ProbeService.go
@@ -2,7 +2,6 @@ package service
 
 import (
 	"reflect"
-	"sync"
 
 	cda "git.loafle.net/commons_go/di/annotation"
 	cdr "git.loafle.net/commons_go/di/registry"
@@ -17,12 +16,8 @@ type ProbeService struct {
 	cda.TypeAnnotation `annotation:"@overFlow:Service()"`
 
 	RPCServlet cr.Servlet
-	sendMtx    sync.RWMutex
 }
 
 func (ps *ProbeService) Send(method string, params ...interface{}) error {
-	ps.sendMtx.RLock()
-	defer ps.sendMtx.RUnlock()
-
 	return ps.RPCServlet.Send(method, params...)
 }