超时设置文件名优化

backend/acme_service.py

@@ -184,7 +184,8 @@ class AcmeService:
         # 写入临时凭据文件（certbot-dns-alicloud 需要 INI 格式）
         creds_content = (
             f"dns_alicloud_access_key = {creds.get('access_key', '')}\n"
-            f"dns_alicloud_access_key_secret = {creds.get('access_secret', '')}\n"
+            f"dns_alicloud_secret_key = {creds.get('access_secret', '')}\n"
+            f"dns_alicloud_region = {creds.get('region', 'cn-hangzhou')}\n"
         )
         creds_file = tempfile.NamedTemporaryFile(
             mode="w", suffix=".ini", prefix="certbot-dns-", delete=False
@@ -192,8 +193,14 @@ class AcmeService:
         creds_file.write(creds_content)
         creds_file.close()
 
+        # 用当前 Python 环境对应的 certbot，避免调到系统装的
+        import sys
+        certbot_bin = str(Path(sys.prefix) / "bin" / "certbot")
+        if not Path(certbot_bin).exists():
+            certbot_bin = "certbot"  # fallback
+
         cmd = [
-            "certbot", "certonly",
+            certbot_bin, "certonly",
             "--non-interactive",
             "--agree-tos",
             "--email", self.config.email,