diff --git a/apps/em/services.py b/apps/em/services.py
index 6f3d4b27..d3476bcb 100644
--- a/apps/em/services.py
+++ b/apps/em/services.py
@@ -30,9 +30,11 @@ def set_eq_rs(equipId, last_timex: datetime, last_mrs: int):
         if eq_rs_cache["running_state"] != last_mrs:  # 如果状态变动了要调用方法否则只需更新缓存
             eq_rs_change = True
             update_time = now
-        elif now > eq_rs_cache.get('update_time', baseTime) + ten_minutes:  # 如果当前时间大于缓存时间5分钟则更新
+        elif now > eq_rs_cache.get('update_time', baseTime) + ten_minutes:  # 如果当前时间大于缓存时间10分钟则更新
             eq_rs_change = True
             update_time = now
+        else:
+            update_time = eq_rs_cache.get('update_time', baseTime)
         cache.set(f"equipment_{equipId}", {"running_state": last_mrs, "running_state_timex": last_timex, "update_time":update_time}, timeout=None) # 更新缓存
         if eq_rs_change:
             ctask_run.delay("apps.em.services.shutdown_or_startup", equipId, last_timex, last_mrs)