diff --git a/protocol/grpc/grpc_protocol.go b/protocol/grpc/grpc_protocol.go
index 296497acad217a78de745ca7890dc90d0224112f..f488dda73231551b2b0c1b9b2d79f74b773ff1bf 100644
--- a/protocol/grpc/grpc_protocol.go
+++ b/protocol/grpc/grpc_protocol.go
@@ -18,13 +18,13 @@
 package grpc
 
 import (
-	"github.com/apache/dubbo-go/common/constant"
 	"strconv"
 	"sync"
 )
 
 import (
 	"github.com/apache/dubbo-go/common"
+	"github.com/apache/dubbo-go/common/constant"
 	"github.com/apache/dubbo-go/common/extension"
 	"github.com/apache/dubbo-go/common/logger"
 	"github.com/apache/dubbo-go/protocol"
diff --git a/protocol/grpc/server.go b/protocol/grpc/server.go
index d6ed29dc9accc577e17e205aa039f3398528f5d5..30bdf77e77e478763a5cc6b1e81f021dd3573bc4 100644
--- a/protocol/grpc/server.go
+++ b/protocol/grpc/server.go
@@ -80,8 +80,6 @@ func (s *Server) Start(url common.URL) {
 		grpc.UnaryInterceptor(otgrpc.OpenTracingServerInterceptor(tracer)),
 		grpc.MaxRecvMsgSize(1024*1024*s.bufferSize),
 		grpc.MaxSendMsgSize(1024*1024*s.bufferSize))
-	fmt.Println("-------------------")
-	fmt.Println("size = ", s.bufferSize)
 
 	key := url.GetParam(constant.BEAN_NAME_KEY, "")
 	service := config.GetProviderService(key)