diff --git a/CONFIG_GUIDE.md b/CONFIG_GUIDE.md
index c3a5eb5..e09a855 100644
--- a/CONFIG_GUIDE.md
+++ b/CONFIG_GUIDE.md
@@ -25,11 +25,13 @@
 常见填写示例：
 
 ```json
-"proxy": "http://127.0.0.1:7897"
+"proxy": "http://127.0.0.1:17891"
 ```
 
 如果你本地跑了 Clash / Mihomo / sing-box，一般就是本机 HTTP 代理端口。
 
+按当前这台机器的实测结果，`17891` 是可用的 US 出口代理。
+
 如果你不想走固定代理，也可以留空：
 
 ```json
diff --git a/README.md b/README.md
index 41cf74e..dc0d25b 100644
--- a/README.md
+++ b/README.md
@@ -57,6 +57,10 @@ python3 /root/standalone_cli/main.py config init
 - `bearer_token` 或 `email` + `password`
 - 邮箱提供商配置 `mail_provider_configs`
 
+当前这台机器实测可用的代理是：
+
+- `http://127.0.0.1:17891`
+
 模板里的 URL 现在使用了更明确的占位值：
 
 - `https://your-cpa.example.com`
@@ -102,6 +106,12 @@ python3 /root/standalone_cli/main.py register --sleep-min 5 --sleep-max 30
 python3 /root/standalone_cli/main.py register --proxy http://127.0.0.1:7897 --once
 ```
 
+如果你直接使用当前机器的代理，建议改成：
+
+```bash
+python3 /root/standalone_cli/main.py register --proxy http://127.0.0.1:17891 --once
+```
+
 ### 查看本地 token
 
 ```bash
@@ -175,6 +185,8 @@ cd /root/standalone_cli
 docker compose up --build
 ```
 
+当前 compose 默认执行一次性命令 `--json config show`，用于快速验证镜像和配置挂载是否正常，不会常驻运行。
+
 ## 验证命令
 
 ```bash
diff --git a/config/sync_config.example.json b/config/sync_config.example.json
index 8f7a782..323ff14 100755
--- a/config/sync_config.example.json
+++ b/config/sync_config.example.json
@@ -1,5 +1,5 @@
 {
-  "proxy": "",
+  "proxy": "http://127.0.0.1:17891",
   "auto_register": false,
   "mail_providers": [
     "mailtm"
diff --git a/docker-compose.yml b/docker-compose.yml
index 8470885..d0000ff 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -3,7 +3,7 @@ services:
     build: .
     image: openai-pool-standalone:latest
     container_name: openai-pool-standalone
-    restart: unless-stopped
+    restart: "no"
     volumes:
       - /root/standalone_cli/data:/app/data
-    command: ["config", "show"]
+    command: ["--json", "config", "show"]
diff --git a/main.py b/main.py
index 8f23c85..9c56ccf 100644
--- a/main.py
+++ b/main.py
@@ -15,6 +15,7 @@ if str(PROJECT_ROOT) not in sys.path:
     sys.path.insert(0, str(PROJECT_ROOT))
 
 from openai_pool_orchestrator import TOKENS_DIR, __version__
+from openai_pool_orchestrator.mail_providers import MultiMailRouter
 from openai_pool_orchestrator.register import _write_text_atomic, run as register_run
 
 try:
@@ -185,6 +186,7 @@ def handle_register(args: argparse.Namespace) -> dict[str, Any]:
     sleep_min = max(1, args.sleep_min)
     sleep_max = max(sleep_min, args.sleep_max)
     proxy = args.proxy if args.proxy is not None else str(cfg.get("proxy") or "").strip() or None
+    mail_router = MultiMailRouter(cfg)
 
     count = 0
     runs: List[dict[str, Any]] = []
@@ -192,8 +194,11 @@ def handle_register(args: argparse.Namespace) -> dict[str, Any]:
         count += 1
         print(f"\n[{time.strftime('%H:%M:%S')}] >>> 开始第 {count} 次注册流程 <<<")
         try:
+            provider_name, provider = mail_router.next_provider()
+            print(f"[*] 本次使用邮箱提供商: {provider_name}")
             token_json = register_run(
                 proxy,
+                mail_provider=provider,
                 proxy_pool_config={
                     "enabled": bool(cfg.get("proxy_pool_enabled", False)),
                     "api_url": cfg.get("proxy_pool_api_url", ""),
@@ -203,8 +208,13 @@ def handle_register(args: argparse.Namespace) -> dict[str, Any]:
                     "country": cfg.get("proxy_pool_country", "US"),
                 },
             )
+            mail_router.report_success(provider_name)
         except Exception as exc:
             token_json = None
+            try:
+                mail_router.report_failure(provider_name)
+            except Exception:
+                pass
             runs.append({"ok": False, "error": str(exc)})
             print(f"[Error] 发生未捕获异常: {exc}")