diff --git a/common/constant/key.go b/common/constant/key.go
index 7117a7021a8d0f4ed930c0c4dcd890cea6ace5cd..7538a2995a89b0951c29f532b9ce9e475198f54e 100644
--- a/common/constant/key.go
+++ b/common/constant/key.go
@@ -74,7 +74,6 @@ const (
 	EXECUTE_REJECTED_EXECUTION_HANDLER_KEY = "execute.limit.rejected.handler"
 	PROVIDER_SHUTDOWN_FILTER               = "pshutdown"
 	CONSUMER_SHUTDOWN_FILTER               = "cshutdown"
-	REQUEST_TIMEOUT                        = "timeout"
 )
 
 const (
diff --git a/protocol/dubbo/dubbo_protocol.go b/protocol/dubbo/dubbo_protocol.go
index 76ad2f56a3277772b300e9c920067bc961974124..eed22a29cde59b520f1b6ebf9b5baafabcac931f 100644
--- a/protocol/dubbo/dubbo_protocol.go
+++ b/protocol/dubbo/dubbo_protocol.go
@@ -72,7 +72,7 @@ func (dp *DubboProtocol) Refer(url common.URL) protocol.Invoker {
 	//default requestTimeout
 	var requestTimeout = config.GetConsumerConfig().RequestTimeout
 
-	requestTimeoutStr := url.GetParam(constant.REQUEST_TIMEOUT, config.GetConsumerConfig().Request_Timeout)
+	requestTimeoutStr := url.GetParam(constant.TIMEOUT_KEY, config.GetConsumerConfig().Request_Timeout)
 	if t, err := time.ParseDuration(requestTimeoutStr); err == nil {
 		requestTimeout = t
 	}
diff --git a/protocol/jsonrpc/jsonrpc_protocol.go b/protocol/jsonrpc/jsonrpc_protocol.go
index 96b36eed301ef8cc01809b35b60e98ae078701d7..a2e7afe69a138e0cd6dbbe05b3f386647895ee15 100644
--- a/protocol/jsonrpc/jsonrpc_protocol.go
+++ b/protocol/jsonrpc/jsonrpc_protocol.go
@@ -71,7 +71,7 @@ func (jp *JsonrpcProtocol) Refer(url common.URL) protocol.Invoker {
 	//default requestTimeout
 	var requestTimeout = config.GetConsumerConfig().RequestTimeout
 
-	requestTimeoutStr := url.GetParam(constant.REQUEST_TIMEOUT, config.GetConsumerConfig().Request_Timeout)
+	requestTimeoutStr := url.GetParam(constant.TIMEOUT_KEY, config.GetConsumerConfig().Request_Timeout)
 	if t, err := time.ParseDuration(requestTimeoutStr); err == nil {
 		requestTimeout = t
 	}