chore: remove session reuse and pin proxy to 7898 for lark notifier

utils/send_msg.py

@@ -8,9 +8,12 @@ class LarkNotifier:
         self.url = "https://zhiyinzhe.xyz/sendMsg/api/send"
         self.bot_name = bot_name
         self.receive_id = receive_id
-        
-        # 使用 Session 可以复用底层 TCP 连接，提升发送效率
-        self.session = requests.Session()
+
+        # 代理固定为本地 7898 端口
+        self.proxies = {
+            "http": "socks5h://127.0.0.1:7898",
+            "https": "socks5h://127.0.0.1:7898"
+        }
 
     def send_alert(self, title: str, content: str):
         """
@@ -26,8 +29,8 @@ class LarkNotifier:
         }
         
         try:
-            # 使用 data=payload 发送 Form Data
-            response = self.session.post(self.url, data=payload, timeout=5)
+            # 每次请求直接调用 requests.post，不复用 Session
+            response = requests.post(self.url, data=payload, timeout=5, proxies=self.proxies)
             response.raise_for_status()
             print(f"告警发送成功: {title}")
         except Exception as e: