diff --git a/script/sql/postgresql/update.sql b/script/sql/postgresql/update.sql
index b0febc8..5fa11fe 100644
--- a/script/sql/postgresql/update.sql
+++ b/script/sql/postgresql/update.sql
@@ -135,4 +135,5 @@ ALTER TABLE "mf_product" ADD "ancestors" VARCHAR(760) NULL;
 COMMENT ON COLUMN "mf_product"."ancestors" IS '祖级列表';
 
 --增加edit_columns字段
-ALTER TABLE `gen_table` ADD COLUMN `edit_columns` TINYINT NULL DEFAULT 1 AFTER `remark`;
+ALTER TABLE "gen_table" ADD "edit_columns" SMALLINT NULL DEFAULT '1';
+COMMENT ON COLUMN "gen_table"."edit_columns" IS '编辑列数';