diff --git a/backend/src/main/resources/db/migration/V1.0.1__init_data.sql b/backend/src/main/resources/db/migration/V1.0.1__init_data.sql
index a3aef1ef..e9bffe25 100644
--- a/backend/src/main/resources/db/migration/V1.0.1__init_data.sql
+++ b/backend/src/main/resources/db/migration/V1.0.1__init_data.sql
@@ -427,8 +427,9 @@ true, NOW(), 'system', NOW(), 'system', 1, false),
     "cron": {
       "type": "string",
       "title": "CRON表达式",
-      "pattern": "^(\\d+|\\*|\\*/\\d+|\\d+\\-\\d+|\\d+(,\\d+)*) (\\d+|\\*|\\*/\\d+|\\d+\\-\\d+|\\d+(,\\d+)*) (\\d+|\\*|\\*/\\d+|\\d+\\-\\d+|\\d+(,\\d+)*) (\\d+|\\*|\\*/\\d+|\\d+\\-\\d+|\\d+(,\\d+)*) (\\d+|\\*|\\*/\\d+|\\d+\\-\\d+|\\d+(,\\d+)*) (\\d+|\\*|\\*/\\d+|\\d+\\-\\d+|\\d+(,\\d+)*)$",
-      "description": "定时触发的CRON表达式"
+      "description": "定时触发的CRON表达式（秒 分 时 日 月 周）",
+      "pattern": "^\\s*($|[0-9\\-*/,]+\\s+[0-9\\-*/,]+\\s+[0-9\\-*/,]+\\s+[0-9\\-*/,]+\\s+[0-9\\-*/,]+\\s+[0-9\\-*/,?]+)\\s*$",
+      "examples": ["0 0 * * * ?", "0 0/5 * * * ?", "0 0 8 * * ?"]
     }
   },
   "required": ["name", "cron"]