diff --git a/database/install/sys_dict_type.sql b/database/install/sys_dict_type.sql
index dd755f90..d0b7ce89 100644
--- a/database/install/sys_dict_type.sql
+++ b/database/install/sys_dict_type.sql
@@ -14,8 +14,7 @@ CREATE TABLE `sys_dict_type` (
   `update_by` varchar(64) CHARACTER SET utf8mb4 COLLATE utf8mb4_general_ci NULL DEFAULT '' COMMENT '更新者',
   `update_time` bigint NULL DEFAULT 0 COMMENT '更新时间',
   `remark` varchar(500) CHARACTER SET utf8mb4 COLLATE utf8mb4_general_ci NULL DEFAULT '' COMMENT '备注',
-  PRIMARY KEY (`dict_id`) USING BTREE,
-  UNIQUE INDEX `dict_type`(`dict_type` ASC) USING BTREE
+  PRIMARY KEY (`dict_id`) USING BTREE
 ) ENGINE = InnoDB CHARACTER SET = utf8mb4 COLLATE = utf8mb4_general_ci COMMENT = '系统_字典类型表' ROW_FORMAT = Dynamic;
 
 --