diff --git a/docs/install_guide/版本升级手册.md b/docs/install_guide/版本升级手册.md
index efc01399..903b71b3 100644
--- a/docs/install_guide/版本升级手册.md
+++ b/docs/install_guide/版本升级手册.md
@@ -14,7 +14,7 @@ CREATE TABLE `ks_km_zookeeper` (
     `cluster_phy_id` bigint(20) NOT NULL DEFAULT '-1' COMMENT '物理集群ID',
     `host` varchar(128) NOT NULL DEFAULT '' COMMENT 'zookeeper主机名',
     `port` int(16) NOT NULL DEFAULT '-1' COMMENT 'zookeeper端口',
-    `role` int(16) NOT NULL DEFAULT '-1' COMMENT '角色, leader follower observer',
+    `role` varchar(16) NOT NULL DEFAULT '' COMMENT '角色, leader follower observer',
     `version` varchar(128) NOT NULL DEFAULT '' COMMENT 'zookeeper版本',
     `status` int(16) NOT NULL DEFAULT '0' COMMENT '状态: 1存活，0未存活，11存活但是4字命令使用不了',
     `create_time` timestamp NOT NULL DEFAULT CURRENT_TIMESTAMP COMMENT '创建时间',