diff --git a/constants.go b/constants.go
index 2735701..69a6b5f 100644
--- a/constants.go
+++ b/constants.go
@@ -1,7 +1 @@
 package overflow_probe_container
-
-import cuc "git.loafle.net/commons_go/util/context"
-
-var (
-	RPCServletKey = cuc.ContextKey("RPCServlet")
-)
diff --git a/server/server_handlers.go b/server/server_handlers.go
index 18a7762..7a0d15e 100644
--- a/server/server_handlers.go
+++ b/server/server_handlers.go
@@ -52,13 +52,18 @@ func (sh *ServerHandlers) Listen(serverCTX server.ServerContext) (net.Listener,
 func (sh *ServerHandlers) OnStart(serverCTX server.ServerContext) {
 	sh.ServerHandlers.OnStart(serverCTX)
 
-	os.Remove(sh.pidPath)
+	if err := os.Remove(sh.pidPath); nil != err {
+		logging.Logger().Errorf("Container: Removing pid file has been failed [%v]", err)
+	}
+
 	s := strconv.FormatInt(int64(sh.port), 10)
 	ioutil.WriteFile(sh.pidPath, []byte(s), os.ModePerm)
 }
 
 func (sh *ServerHandlers) OnStop(serverCTX server.ServerContext) {
-	os.Remove(sh.pidPath)
+	if err := os.Remove(sh.pidPath); nil != err {
+		logging.Logger().Errorf("Container: Removing pid file has been failed [%v]", err)
+	}
 
 	sh.ServerHandlers.OnStop(serverCTX)
 }
@@ -67,7 +72,7 @@ func (sh *ServerHandlers) Validate() {
 	sh.ServerHandlers.Validate()
 
 	if "" == sh.pidPath {
-		logging.Logger().Panicf("Server: The path of pid file must be specified")
+		logging.Logger().Panicf("Container: The path of pid file must be specified")
 	}
 
 }
diff --git a/server/socket_handlers.go b/server/socket_handlers.go
index da68621..bf37130 100644
--- a/server/socket_handlers.go
+++ b/server/socket_handlers.go
@@ -4,20 +4,21 @@ import (
 	"net"
 	"sync"
 
-	cRPC "git.loafle.net/commons_go/rpc"
+	cr "git.loafle.net/commons_go/rpc"
 	"git.loafle.net/commons_go/rpc/protocol/json"
 	crsrs "git.loafle.net/commons_go/rpc/server/rwc/socket"
 	"git.loafle.net/commons_go/server"
 
-	oopc "git.loafle.net/overflow/overflow_probe_container"
+	oopcs "git.loafle.net/overflow/overflow_probe_container/service"
 )
 
-func NewSocketHandler(rpcSH RPCServletHandler) SocketHandler {
+func NewSocketHandler(rpcSH RPCServletHandler, probeService *oopcs.ProbeService) SocketHandler {
 	rpcRWCSH := crsrs.New()
 
 	sh := &SocketHandlers{
-		rpcSH:    rpcSH,
-		rpcRWCSH: rpcRWCSH,
+		rpcSH:        rpcSH,
+		rpcRWCSH:     rpcRWCSH,
+		probeService: probeService,
 	}
 
 	return sh
@@ -26,8 +27,9 @@ func NewSocketHandler(rpcSH RPCServletHandler) SocketHandler {
 type SocketHandlers struct {
 	server.SocketHandlers
 
-	rpcRWCSH cRPC.ServletReadWriteCloseHandler
-	rpcSH    RPCServletHandler
+	rpcRWCSH     cr.ServletReadWriteCloseHandler
+	rpcSH        RPCServletHandler
+	probeService *oopcs.ProbeService
 }
 
 func (sh *SocketHandlers) Init(serverCTX server.ServerContext) error {
@@ -45,15 +47,17 @@ func (sh *SocketHandlers) Handshake(socketCTX server.SocketContext, conn net.Con
 func (sh *SocketHandlers) OnConnect(soc server.Socket) {
 	sh.SocketHandlers.OnConnect(soc)
 
-	soc.Context().SetAttribute(cRPC.ContentTypeKey, json.Name)
-	soc.Context().SetAttribute(oopc.RPCServletKey, retainRPCServlet(sh.rpcSH, sh.rpcRWCSH))
+	soc.Context().SetAttribute(cr.ContentTypeKey, json.Name)
 }
 
 func (sh *SocketHandlers) Handle(soc server.Socket, stopChan <-chan struct{}, doneChan chan<- error) {
 	var err error
-	rpcServlet := soc.Context().GetAttribute(oopc.RPCServletKey).(cRPC.Servlet)
+	rpcServlet := retainRPCServlet(sh.rpcSH, sh.rpcRWCSH)
+	sh.probeService.RPCServlet = rpcServlet
 
 	defer func() {
+		rpcServlet.Stop()
+		sh.probeService.RPCServlet = nil
 		releaseRPCServlet(rpcServlet)
 		doneChan <- err
 	}()
@@ -66,15 +70,11 @@ func (sh *SocketHandlers) Handle(soc server.Socket, stopChan <-chan struct{}, do
 
 	select {
 	case err = <-rpcDoneChan:
-
 	case <-stopChan:
-		rpcServlet.Stop()
-		<-rpcDoneChan
 	}
 }
 
 func (sh *SocketHandlers) OnDisconnect(soc server.Socket) {
-	soc.Context().RemoveAttribute(oopc.RPCServletKey)
 
 	sh.SocketHandlers.OnDisconnect(soc)
 }
@@ -90,15 +90,15 @@ func (sh *SocketHandlers) Validate() {
 
 var rpcServletPool sync.Pool
 
-func retainRPCServlet(sh RPCServletHandler, rpcRWCSH cRPC.ServletReadWriteCloseHandler) cRPC.Servlet {
+func retainRPCServlet(sh RPCServletHandler, rpcRWCSH cr.ServletReadWriteCloseHandler) cr.Servlet {
 	v := rpcServletPool.Get()
 	if v == nil {
-		return cRPC.NewServlet(sh, rpcRWCSH)
+		return cr.NewServlet(sh, rpcRWCSH)
 	}
-	return v.(cRPC.Servlet)
+	return v.(cr.Servlet)
 }
 
-func releaseRPCServlet(s cRPC.Servlet) {
+func releaseRPCServlet(s cr.Servlet) {
 
 	rpcServletPool.Put(s)
 }
diff --git a/service/ProbeService.go b/service/ProbeService.go
new file mode 100644
index 0000000..e56b4a5
--- /dev/null
+++ b/service/ProbeService.go
@@ -0,0 +1,24 @@
+package service
+
+import (
+	"reflect"
+
+	cda "git.loafle.net/commons_go/di/annotation"
+	cdr "git.loafle.net/commons_go/di/registry"
+	cr "git.loafle.net/commons_go/rpc"
+)
+
+func init() {
+	cdr.RegisterType(reflect.TypeOf((*ProbeService)(nil)))
+}
+
+type ProbeService struct {
+	cda.TypeAnnotation `annotation:"@overFlow:Service()"`
+
+	RPCServlet cr.Servlet
+}
+
+func (ps *ProbeService) Send(method string, params ...interface{}) error {
+
+	return ps.RPCServlet.Send(method, params...)
+}
diff --git a/service/service.go b/service/service.go
new file mode 100644
index 0000000..fb7d721
--- /dev/null
+++ b/service/service.go
@@ -0,0 +1,8 @@
+package service
+
+func InitService() {
+}
+
+func DestroyService() {
+
+}