修复webhook url指定

config.py

@@ -9,15 +9,20 @@ load_dotenv()
 # 项目根目录
 BASE_DIR = Path(__file__).resolve().parent
 
-def get_webhook_url():
-    """动态获取Webhook URL"""
-    return os.getenv(
+# WPS Webhook配置 - 使用函数动态获取
+WEBHOOK_URL = os.getenv(
         "WEBHOOK_URL",
         "https://xz.wps.cn/api/v1/webhook/send?key=da86927e491f2aef4b964223687c2c80"
     )
 
-# WPS Webhook配置 - 使用函数动态获取
-WEBHOOK_URL = get_webhook_url()
+def SetWebhookURL(url: str):
+    """设置Webhook URL"""
+    global WEBHOOK_URL
+    WEBHOOK_URL = url
+
+def GetWebhookURL() -> str:
+    """获取Webhook URL"""
+    return WEBHOOK_URL
 
 # 数据库配置
 DATABASE_PATH = os.getenv("DATABASE_PATH", str(BASE_DIR / "data" / "bot.db"))