diff --git a/src/client/WFConsulClient.cc b/src/client/WFConsulClient.cc
index b38592bb..ede00c49 100644
--- a/src/client/WFConsulClient.cc
+++ b/src/client/WFConsulClient.cc
@@ -330,7 +330,7 @@ bool WFConsulTask::check_task_result(WFHttpTask *task, WFConsulTask *consul_task
 	if (http_code < 200 || http_code >= 400)
 	{
 		consul_task->state = WFT_STATE_TASK_ERROR;
-		consul_task->error = WFT_ERR_CONSUL_CHECK_RESPONSE_ERROR;
+		consul_task->error = WFT_ERR_CONSUL_CHECK_RESPONSE_FAILED;
 		consul_task->error_reason = resp->get_reason_phrase();
 		return false;
 	}
@@ -409,7 +409,7 @@ int WFConsulClient::init(const std::string& proxy_url)
 int WFConsulClient::init(const std::string& proxy_url, ConsulConfig config)
 {
 	this->proxy_url = proxy_url;
-	this->config = config;
+	this->config = std::move(config);
 	return 0;
 }
 
diff --git a/src/client/WFConsulClient.h b/src/client/WFConsulClient.h
index bbb53dbc..96d94a1e 100644
--- a/src/client/WFConsulClient.h
+++ b/src/client/WFConsulClient.h
@@ -80,14 +80,6 @@ protected:
 	}
 
 protected:
-	WFConsulTask(const std::string& proxy_url,
-				 const std::string& service_namespace,
-				 const std::string& service_name,
-				 const std::string& service_id,
-				 int retry_max, consul_callback_t&& cb);
-
-	virtual ~WFConsulTask() {}
-
 	virtual void dispatch();
 	virtual SubTask *done();
 
@@ -117,7 +109,13 @@ protected:
 	long long consul_index;
 	consul_callback_t callback;
 
-private:
+protected:
+	WFConsulTask(const std::string& proxy_url,
+				 const std::string& service_namespace,
+				 const std::string& service_name,
+				 const std::string& service_id,
+				 int retry_max, consul_callback_t&& cb);
+	virtual ~WFConsulTask() {}
 	friend class WFConsulClient;
 };
 
diff --git a/src/factory/WFTaskError.h b/src/factory/WFTaskError.h
index c6143296..6efe8ce2 100644
--- a/src/factory/WFTaskError.h
+++ b/src/factory/WFTaskError.h
@@ -66,7 +66,7 @@ enum
 
 	//CONSUL
 	WFT_ERR_CONSUL_API_UNKNOWN = 6001,		///< api type not supported
-	WFT_ERR_CONSUL_CHECK_RESPONSE_ERROR = 6002,	///< Consul http code failed
+	WFT_ERR_CONSUL_CHECK_RESPONSE_FAILED = 6002,	///< Consul http code failed
 };
 
 #endif
diff --git a/src/manager/WFGlobal.cc b/src/manager/WFGlobal.cc
index c1025d8f..bbebdeaf 100644
--- a/src/manager/WFGlobal.cc
+++ b/src/manager/WFGlobal.cc
@@ -828,7 +828,7 @@ static inline const char *__get_task_error_string(int error)
 	case WFT_ERR_CONSUL_API_UNKNOWN:
 		return "Consul api type unknown";
 
-	case WFT_ERR_CONSUL_CHECK_RESPONSE_ERROR:
+	case WFT_ERR_CONSUL_CHECK_RESPONSE_FAILED:
 		return "Consul check response failed";
 
 	default: