diff --git a/app.py b/app.py
index e45b937..6c43cb7 100644
--- a/app.py
+++ b/app.py
@@ -1,4 +1,9 @@
 import os
+
+# vnpy_ctp C++ 扩展需要有效 locale，否则 CTP 登录后可能崩溃
+os.environ.setdefault("LANG", "C.UTF-8")
+os.environ.setdefault("LC_ALL", "C.UTF-8")
+
 import sqlite3
 import time
 import threading
diff --git a/deploy.sh b/deploy.sh
index 2d9cf6a..fa39e45 100644
--- a/deploy.sh
+++ b/deploy.sh
@@ -28,7 +28,9 @@ need_install git git
 
 # vnpy_ctp 在 Linux 上需本地编译（Meson + pkg-config 查找 python3-dev）
 echo "==> 安装 vnpy_ctp 编译依赖..."
-apt-get install -y build-essential python3-dev pkg-config
+apt-get install -y build-essential python3-dev pkg-config locales
+locale-gen en_US.UTF-8 2>/dev/null || true
+update-locale LANG=C.UTF-8 LC_ALL=C.UTF-8 2>/dev/null || true
 
 if ! command -v pm2 &>/dev/null; then
     echo "==> 安装 PM2..."
diff --git a/docs/DEPLOY.md b/docs/DEPLOY.md
index d225b59..34a61de 100644
--- a/docs/DEPLOY.md
+++ b/docs/DEPLOY.md
@@ -346,6 +346,8 @@ pm2 restart qihuo
 |-----------|------|
 | `pip install vnpy_ctp` 编译失败 / `Python dependency not found` | 安装 `build-essential python3-dev pkg-config` 后重试 |
 | CTP 连接超时 | 检查前置 IP、端口、SimNow 是否维护、是否在允许连接时段 |
+| 连接后立即崩溃 `locale::facet::_S_create_c_locale` | 系统 locale 未配置；`export LANG=C.UTF-8 LC_ALL=C.UTF-8` 后 `pm2 restart qihuo`，或 `git pull` 使用最新 `ecosystem.config.cjs` |
+| 服务器 `180.168.146.187` 超时 | 换 SimNow 备用前置 `182.254.243.31:30001/30011`（见 [SIMNOW.md](./SIMNOW.md)） |
 | 已连接但下单拒单 | 检查合约代码、价格精度、是否有足够保证金 |
 
 ---
diff --git a/docs/SIMNOW.md b/docs/SIMNOW.md
index e7a19ad..1e09944 100644
--- a/docs/SIMNOW.md
+++ b/docs/SIMNOW.md
@@ -139,6 +139,15 @@ tcp://IP:端口
 pm2 restart qihuo
 ```
 
+**云服务器若 `180.168.146.187` 端口超时**，可改用备用前置（交易时段）：
+
+```env
+SIMNOW_TD_ADDRESS=tcp://182.254.243.31:30001
+SIMNOW_MD_ADDRESS=tcp://182.254.243.31:30011
+```
+
+服务器上用 `nc -zv 182.254.243.31 30001` 验证连通后再配置。
+
 ### 3. 网页端连接 CTP
 
 1. 登录本系统
@@ -174,6 +183,7 @@ python scripts/test_simnow.py
 | 报错 **4097** / 握手失败 | `pip install -U vnpy vnpy_ctp`，`.env` 设 `SIMNOW_ENV=实盘` |
 | **不合法的登录** | 投资者代码/密码错，或未在快期改过一次密码 |
 | 快期能登、脚本不能 | 多为网络或前置地址，换 SimNow 官网其他组前置试 |
+| 连上后进程崩溃 `locale::facet::_S_create_c_locale` | 执行 `export LANG=C.UTF-8 LC_ALL=C.UTF-8`，`pm2 restart qihuo --update-env` |
 
 ### 提示「未安装 vnpy / vnpy_ctp」
 
diff --git a/ecosystem.config.cjs b/ecosystem.config.cjs
index 8f26aeb..e2f23f4 100644
--- a/ecosystem.config.cjs
+++ b/ecosystem.config.cjs
@@ -11,6 +11,9 @@ module.exports = {
       max_memory_restart: "300M",
       env: {
         NODE_ENV: "production",
+        LANG: "C.UTF-8",
+        LC_ALL: "C.UTF-8",
+        LC_CTYPE: "C.UTF-8",
       },
       error_file: "/opt/qihuo/logs/pm2-error.log",
       out_file: "/opt/qihuo/logs/pm2-out.log",
diff --git a/scripts/test_simnow.py b/scripts/test_simnow.py
index 0f1669e..1acf851 100644
--- a/scripts/test_simnow.py
+++ b/scripts/test_simnow.py
@@ -6,6 +6,9 @@ import os
 import socket
 import sys
 
+os.environ.setdefault("LANG", "C.UTF-8")
+os.environ.setdefault("LC_ALL", "C.UTF-8")
+
 BASE = os.path.dirname(os.path.dirname(os.path.abspath(__file__)))
 sys.path.insert(0, BASE)
 
diff --git a/vnpy_bridge.py b/vnpy_bridge.py
index 6aaea94..1ff2c6a 100644
--- a/vnpy_bridge.py
+++ b/vnpy_bridge.py
@@ -7,6 +7,10 @@ import threading
 import time
 from typing import Any, Optional
 
+# vnpy_ctp C++ 在部分 Linux 上缺 locale 会抛 std::runtime_error
+os.environ.setdefault("LANG", "C.UTF-8")
+os.environ.setdefault("LC_ALL", "C.UTF-8")
+
 from ctp_symbol import ths_to_vnpy_symbol, to_vnpy_exchange
 
 logger = logging.getLogger(__name__)