diff --git a/main.py b/main.py
index b74e990..c8b23b6 100644
--- a/main.py
+++ b/main.py
@@ -40,7 +40,7 @@ def main():
     robot.enableRecvMsg()
 
     # 每天7点发送天气预报
-    robot.onEveryTime("00:30", weather_report, robot=robot)
+    robot.onEveryTime("07:00", weather_report, robot=robot)
 
     # 让机器人一直跑
     robot.keepRunningAndBlockProcess()
diff --git a/robot.py b/robot.py
index eff455a..30738bf 100644
--- a/robot.py
+++ b/robot.py
@@ -131,6 +131,7 @@ class Robot(Job):
                 ats = f" @{self.allContacts.get(wxid, '')}"
 
         self.LOG.info(f"To {receiver}: {msg}{ats}")
+        # {msg}{ats} 表示要发送的消息内容后面紧跟@，例如 北京天气情况为：xxx @张三，微信规定需这样写，否则@不生效
         self.wcf.send_text(f"{msg}{ats}", receiver, at_list)
 
     def getAllContacts(self):