diff --git a/api2sql/execute.go b/api2sql/execute.go
index c47cf47..f76a8bf 100644
--- a/api2sql/execute.go
+++ b/api2sql/execute.go
@@ -14,7 +14,7 @@ import (
 	"git.zhangdeman.cn/zhangdeman/database/abstract"
 	"git.zhangdeman.cn/zhangdeman/database/define"
 	"git.zhangdeman.cn/zhangdeman/wrapper"
-	"strings"
+	"gorm.io/gorm"
 )
 
 var (
@@ -72,17 +72,7 @@ func (e *execute) Run(ctx context.Context, inputParam *define.Api2SqlParam) (any
 //
 // Date : 20:52 2024/8/21
 func (e *execute) List(ctx context.Context, inputParam *define.Api2SqlParam) (any, error) {
-	replaceTable := map[string]string{
-		"{FIELD_LIST}": "`" + strings.Join(inputParam.ColumnList, "` , `"),
-		"{TABLE}":      inputParam.Table,
-	}
-	sqlTplList := []string{
-		define.SqlSelectBaseTpl,
-	}
-	if len(inputParam.ValueList) > 0 {
-		// where 条件
-		sqlTplList = append(sqlTplList, define.SqlWhereTpl)
-	}
+
 	return nil, nil
 }
 
@@ -191,11 +181,11 @@ func (e *execute) formatAndValidateInputParam(inputParam *define.Api2SqlParam) e
 //
 // Date : 11:48 2024/8/22
 func (e *execute) validateColumn(inputParam *define.Api2SqlParam) error {
-	if len(inputParam.ColumnList) == 0 && wrapper.ArrayType[string]([]string{
+	if len(inputParam.ColumnTable) == 0 && wrapper.ArrayType[string]([]string{
 		consts.SqlTypeList, consts.SqlTypeDetail,
 	}).Has(inputParam.SqlType) >= 0 {
 		for _, itemParam := range inputParam.TableColumnConfig {
-			inputParam.ColumnList = append(inputParam.ColumnList, itemParam.ColumnName)
+			inputParam.ColumnTable[itemParam.ColumnName] = itemParam.ColumnName
 		}
 	}
 	// 验证字段是否都正确
@@ -203,9 +193,9 @@ func (e *execute) validateColumn(inputParam *define.Api2SqlParam) error {
 	for _, itemColumn := range inputParam.TableColumnConfig {
 		tableColumnTable[itemColumn.ColumnName] = true
 	}
-	for _, item := range inputParam.ColumnList {
-		if !tableColumnTable[item] {
-			return errors.New(item + " : input column not found in table column list")
+	for columnName, _ := range inputParam.ColumnTable {
+		if !tableColumnTable[columnName] {
+			return errors.New(columnName + " : input column not found in table column list")
 		}
 	}
 	for _, item := range inputParam.ValueList {
@@ -215,3 +205,19 @@ func (e *execute) validateColumn(inputParam *define.Api2SqlParam) error {
 	}
 	return nil
 }
+
+// getTx 获取数据库连接
+//
+// Author : go_developer@163.com<白茶清欢>
+//
+// Date : 12:20 2024/8/23
+func (e *execute) getTx(ctx context.Context, inputParam *define.Api2SqlParam) (*gorm.DB, error) {
+	if nil != inputParam.Tx {
+		return inputParam.Tx, nil
+	}
+	if inputParam.ForceMaster || // 强制操作主库
+		wrapper.ArrayType[string]([]string{consts.SqlTypeDelete, consts.SqlTypeInsert, consts.SqlTypeUpdate}).Has(inputParam.SqlType) >= 0 { // 写操作
+		return e.databaseClientManager.GetMasterClient(ctx, inputParam.DatabaseFlag)
+	}
+	return e.databaseClientManager.GetSlaveClient(ctx, inputParam.DatabaseFlag)
+}
diff --git a/define/api2sql.go b/define/api2sql.go
index 5879c6b..10e2476 100644
--- a/define/api2sql.go
+++ b/define/api2sql.go
@@ -7,6 +7,8 @@
 // Date : 2024-08-21 16:05
 package define
 
+import "gorm.io/gorm"
+
 // Api2SqlParam 接口转sql的输入配置
 //
 // Author : go_developer@163.com<白茶清欢>
@@ -42,6 +44,7 @@ type Api2SqlParam struct {
 	WithCount         bool                 `json:"with_count"`          // 是否返回数据总量, 仅 sqlType = list 生效
 	ValueList         []*Api2SqlParamValue `json:"value_list"`          // 字段列表
 	TableColumnConfig []*ColumnInfo        `json:"table_column_config"` // 表字段配置
+	Tx                *gorm.DB             `json:"-"`                   // 前后已有的数据库连接, 直接复用
 }
 
 // Api2SqlParamValue ...
diff --git a/go.mod b/go.mod
index 2b93cdd..2565c09 100644
--- a/go.mod
+++ b/go.mod
@@ -5,7 +5,7 @@ go 1.21
 toolchain go1.21.3
 
 require (
-	git.zhangdeman.cn/zhangdeman/consts v0.0.0-20240821082758-8bf75bab08fb
+	git.zhangdeman.cn/zhangdeman/consts v0.0.0-20240823041145-d4df71cf37e5
 	git.zhangdeman.cn/zhangdeman/logger v0.0.0-20240725055115-98eb52ae307a
 	git.zhangdeman.cn/zhangdeman/op_type v0.0.0-20240122104027-4928421213c0
 	git.zhangdeman.cn/zhangdeman/serialize v0.0.0-20240618035451-8d48a6bd39dd
diff --git a/go.sum b/go.sum
index 4b1bd57..9dfadee 100644
--- a/go.sum
+++ b/go.sum
@@ -6,6 +6,8 @@ git.zhangdeman.cn/zhangdeman/consts v0.0.0-20240817091513-491f455a23c0 h1:U12XDt
 git.zhangdeman.cn/zhangdeman/consts v0.0.0-20240817091513-491f455a23c0/go.mod h1:IXXaZkb7vGzGnGM5RRWrASAuwrVSNxuoe0DmeXx5g6k=
 git.zhangdeman.cn/zhangdeman/consts v0.0.0-20240821082758-8bf75bab08fb h1:dNnVYynCQhLSbtNUVQsvDIthkNgpTrAJF4dAEj08FdE=
 git.zhangdeman.cn/zhangdeman/consts v0.0.0-20240821082758-8bf75bab08fb/go.mod h1:IXXaZkb7vGzGnGM5RRWrASAuwrVSNxuoe0DmeXx5g6k=
+git.zhangdeman.cn/zhangdeman/consts v0.0.0-20240823041145-d4df71cf37e5 h1:pmIHln0gWW+5xAB762h3WDsRkZuYLUDndvJDsGMKoOY=
+git.zhangdeman.cn/zhangdeman/consts v0.0.0-20240823041145-d4df71cf37e5/go.mod h1:IXXaZkb7vGzGnGM5RRWrASAuwrVSNxuoe0DmeXx5g6k=
 git.zhangdeman.cn/zhangdeman/easylock v0.0.0-20230731062340-983985c12eda h1:bMD6r9gjRy7cO+T4zRQVYAesgIblBdTnhzT1vN5wjvI=
 git.zhangdeman.cn/zhangdeman/easylock v0.0.0-20230731062340-983985c12eda/go.mod h1:dT0rmHcJ9Z9IqWeMIt7YzR88nKkNV2V3dfG0j9Q6lK0=
 git.zhangdeman.cn/zhangdeman/easymap v0.0.0-20240311030808-e2a2e6a3c211 h1:I/wOsRpCSRkU9vo1u703slQsmK0wnNeZzsWQOGtIAG0=