diff --git a/database/frienddb_new.sql b/database/frienddb_new.sql
index 4ffb7f89..42d666a0 100644
--- a/database/frienddb_new.sql
+++ b/database/frienddb_new.sql
@@ -126,7 +126,7 @@ CREATE TABLE `t_guild` (
   `modifytime` int(11) NOT NULL DEFAULT '0' COMMENT '修改时间',
   PRIMARY KEY (`idx`),
   UNIQUE KEY `idx_guild_id` (`guild_id`),
-  UNIQUE KEY `idx_guild_name` (`guild_name`),
+  UNIQUE KEY `idx_guild_name_deleted` (`guild_name`, `deleted`),
   KEY `owner_id` (`owner_id`),
   KEY `creator_id` (`creator_id`)
 ) ENGINE=InnoDB AUTO_INCREMENT=10000 DEFAULT CHARSET=utf8 COLLATE=utf8_bin;