加入一个全局Client ，方便所有地方调用。

gewechat/client.py

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+import os
+import toml
+import time
+import logging
+
+# 假设 gewechat_client 已经安装，并且 GewechatClient 可直接导入
+from gewechat_client import GewechatClient
+
+logger = logging.getLogger(__name__)
+
+class Client:
+    def __init__(self, config_path=None):
+        # 默认配置文件路径
+        if config_path is None:
+            config_path = os.path.join(os.path.dirname(os.path.abspath(__file__)), "config.toml")
+        self.config_path = config_path
+        config = toml.load(config_path)
+        gewechat_cfg = config.get("Gewechat", {})
+        self.base_url = gewechat_cfg.get("base_url", "")
+        self.gewechat_token = gewechat_cfg.get("gewechat_token", "")
+        self.app_id = gewechat_cfg.get("app_id", "")
+        self.callback_url = gewechat_cfg.get("callback_url", "")
+        # 初始化 GewechatClient
+        self.client = GewechatClient(
+            base_url=self.base_url,
+            token=self.gewechat_token
+        )
+        # 登录, 自动创建二维码，扫码后自动登录
+        app_id, error_msg = self.client.login(app_id=self.app_id)
+
+        if error_msg:
+            logger.error("登录失败")
+            return
+        # 休眠等待server启动，防止回调设置失败
+        max_retries = 5
+        retry_interval = 5  # 秒
+        for attempt in range(1, max_retries + 1):
+            resp = self.client.set_callback(self.app_id, self.callback_url)
+            if resp and resp.get("success", False):
+                print(f"set_callback 成功: {resp}")
+                break
+            else:
+                logger.warning(f"set_callback 第{attempt}次失败，{retry_interval}秒后重试...")
+                time.sleep(retry_interval)
+        else:
+            logger.error("set_callback 多次重试后仍失败，请检查server状态。")
+
+        # 如果启动时，配置文件中的app_id为空，那么将app_id写入配置文件
+        if not self.app_id and app_id:
+            # 更新 config.toml 文件中的 app_id
+            config["Gewechat"]["app_id"] = app_id
+            with open(self.config_path, "w", encoding="utf-8") as f:
+                toml.dump(config, f)
+            logger.info(f"已将新的APP_ID: {app_id} 写入配置文件")
+            # 同时更新当前实例的 app_id
+            self.app_id = app_id
+
+# 项目全局唯一 client 实例
+gewe_client = Client().client

gewechat/config.toml

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+[Gewechat]
+base_url= "http://192.168.2.240:2531/v2/api"
+gewechat_token= "cb43f52db27e4a56bb6ec7da54373582"
+app_id="wx_3BC6eSHGE5xEm_hH3__7c"
+callback_url="http://192.168.2.192:8999/gewechat/callback"