diff --git a/escheduler-dao/readme.txt b/escheduler-dao/readme.txt
index 7c91023b2a..ad7f7933cc 100644
--- a/escheduler-dao/readme.txt
+++ b/escheduler-dao/readme.txt
@@ -36,7 +36,7 @@ CREATE TABLE `t_escheduler_worker_group`  (
   `id` bigint(11) NOT NULL AUTO_INCREMENT COMMENT 'id',
   `name` varchar(256) CHARACTER SET latin1 COLLATE latin1_swedish_ci NULL DEFAULT NULL COMMENT '组名称',
   `ip_list` varchar(256) CHARACTER SET latin1 COLLATE latin1_swedish_ci NULL DEFAULT NULL COMMENT 'worker地址列表',
-  `create_time` date NULL DEFAULT NULL COMMENT '创建时间',
-  `update_time` date NULL DEFAULT NULL COMMENT '更新时间',
+  `create_time` datetime(0) NULL DEFAULT NULL COMMENT '创建时间',
+  `update_time` datetime(0) NULL DEFAULT NULL COMMENT '更新时间',
   PRIMARY KEY (`id`) USING BTREE
 ) ENGINE = InnoDB AUTO_INCREMENT = 1 CHARACTER SET = utf8 COLLATE = utf8_general_ci ROW_FORMAT = Dynamic;