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 847f5876..3d98cd57 100644
--- a/docs/install_guide/版本升级手册.md
+++ b/docs/install_guide/版本升级手册.md
@@ -56,6 +56,11 @@ CREATE TABLE `ks_ha_active_standby_relation` (
     UNIQUE KEY `uniq_cluster_res` (`res_type`,`active_cluster_phy_id`,`standby_cluster_phy_id`,`res_name`),
     UNIQUE KEY `uniq_res_type_standby_cluster_res_name` (`res_type`,`standby_cluster_phy_id`,`res_name`)
 ) ENGINE=InnoDB DEFAULT CHARSET=utf8 COMMENT='HA主备关系表';
+    
+
+-- 删除idx_cluster_phy_id 索引并新增idx_cluster_update_time索引
+ALTER TABLE `ks_km_kafka_change_record` DROP INDEX `idx_cluster_phy_id` ,
+ADD INDEX `idx_cluster_update_time` (`cluster_phy_id` ASC, `update_time` ASC);
 ```
 
 ### 升级至 `3.2.0` 版本
diff --git a/km-persistence/src/main/resources/sql/ddl-ks-km.sql b/km-persistence/src/main/resources/sql/ddl-ks-km.sql
index c19de0a3..e3b73d30 100644
--- a/km-persistence/src/main/resources/sql/ddl-ks-km.sql
+++ b/km-persistence/src/main/resources/sql/ddl-ks-km.sql
@@ -196,7 +196,7 @@ CREATE TABLE `ks_km_kafka_change_record` (
   `update_time` timestamp NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP COMMENT '修改时间',
   PRIMARY KEY (`id`),
   UNIQUE KEY `unique_field` (`unique_field`),
-  KEY `idx_cluster_phy_id` (`cluster_phy_id`)
+  KEY `idx_cluster_update_time` (`cluster_phy_id` ASC, `update_time` ASC)
 ) ENGINE=InnoDB DEFAULT CHARSET=utf8 COMMENT='Kafka变更记录表';
 
 
@@ -480,4 +480,4 @@ CREATE TABLE `ks_ha_active_standby_relation` (
     PRIMARY KEY (`id`),
     UNIQUE KEY `uniq_cluster_res` (`res_type`,`active_cluster_phy_id`,`standby_cluster_phy_id`,`res_name`),
     UNIQUE KEY `uniq_res_type_standby_cluster_res_name` (`res_type`,`standby_cluster_phy_id`,`res_name`)
-) ENGINE=InnoDB DEFAULT CHARSET=utf8 COMMENT='HA主备关系表';
+) ENGINE=InnoDB DEFAULT CHARSET=utf8 COMMENT='HA主备关系表';
\ No newline at end of file