优化代码/实现基础的实名认证功能

internal/db/models/db_node_dao.go

@@ -109,7 +109,7 @@ func (this *DBNodeDAO) ListEnabledNodes(tx *dbs.Tx, offset int64, size int64) (r
 
 // CreateDBNode 创建节点
 func (this *DBNodeDAO) CreateDBNode(tx *dbs.Tx, isOn bool, name string, description string, host string, port int32, database string, username string, password string, charset string) (int64, error) {
-	op := NewDBNodeOperator()
+	var op = NewDBNodeOperator()
 	op.State = NodeStateEnabled
 	op.IsOn = isOn
 	op.Name = name
@@ -132,7 +132,7 @@ func (this *DBNodeDAO) UpdateNode(tx *dbs.Tx, nodeId int64, isOn bool, name stri
 	if nodeId <= 0 {
 		return errors.New("invalid nodeId")
 	}
-	op := NewDBNodeOperator()
+	var op = NewDBNodeOperator()
 	op.Id = nodeId
 	op.IsOn = isOn
 	op.Name = name