diff --git a/scripts/ddl.sql b/scripts/ddl.sql
index b119b94..2cca90c 100644
--- a/scripts/ddl.sql
+++ b/scripts/ddl.sql
@@ -178,8 +178,8 @@ CREATE TABLE IF NOT EXISTS sync_people (
 
 -- 7.4 同步游标表
 CREATE TABLE IF NOT EXISTS sync_cursor (
-    key VARCHAR(50) PRIMARY KEY,
-    value VARCHAR(64) COMMENT '上次成功拉取到的 server_time（ISO 文本）'
+    `key` VARCHAR(50) PRIMARY KEY,
+    `value` VARCHAR(64) COMMENT '上次成功拉取到的 server_time（ISO 文本）'
 ) ENGINE=InnoDB COMMENT='同步游标表';
 
 -- ============================================================