diff --git a/src/main/java/com/xydl/cac/task/CacheTask.java b/src/main/java/com/xydl/cac/task/CacheTask.java
index f0c87f0..76ef642 100644
--- a/src/main/java/com/xydl/cac/task/CacheTask.java
+++ b/src/main/java/com/xydl/cac/task/CacheTask.java
@@ -27,7 +27,7 @@ public class CacheTask {
     public static List<Zsb> zsb_Cache = null;
     public static ConcurrentHashMap<Integer, WarnRule> rule_Cache = new ConcurrentHashMap<>();
 
-    @Scheduled(cron = "0 9 * * * ?")
+    @Scheduled(cron = "0 0 9 * * ?")
     private void clearCache() {
         unit_Cache.clear();
         modevType_Cache = null;