fix: when field list is empty table split error

@@ -19,7 +19,7 @@ type AddTableStructCommand struct {
 
 
 func (updateTableCommand *AddTableStructCommand) Valid(validation *validation.Validation) {
 func (updateTableCommand *AddTableStructCommand) Valid(validation *validation.Validation) {
 	if len(updateTableCommand.Fields) == 0 {
 	if len(updateTableCommand.Fields) == 0 {
-		validation.Error("数据列不能为空")
+		validation.Error("请选择字段")
 		return
 		return
 	}
 	}
 }
 }

@@ -19,7 +19,7 @@ type UpdateTableStructCommand struct {
 
 
 func (updateTableCommand *UpdateTableStructCommand) Valid(validation *validation.Validation) {
 func (updateTableCommand *UpdateTableStructCommand) Valid(validation *validation.Validation) {
 	if len(updateTableCommand.Fields) == 0 {
 	if len(updateTableCommand.Fields) == 0 {
-		validation.Error("数据列不能为空")
+		validation.Error("请选择字段")
 		return
 		return
 	}
 	}
 }
 }