diff --git a/mengpost-backend/docker-compose.yml b/mengpost-backend/docker-compose.yml
index ed3f290..c225d2c 100644
--- a/mengpost-backend/docker-compose.yml
+++ b/mengpost-backend/docker-compose.yml
@@ -5,20 +5,20 @@ services:
     build: .
     image: mengpost-api:local
     restart: unless-stopped
-    ports:
-      # 主机 28088 -> 容器 8088（内网穿透可把 post.api.smyhub.com 指到主机 28088）
-      - "28088:8088"
+    ports:
+      # 主机 28088 -> 容器 8088（对外域名可指向 post.api.shumengya.top）
+      - "28088:8088"
     environment:
       GIN_MODE: release
       MP_PORT: "8088"
       MP_DB: /app/data/mengpost.db
       # 生产务必改为强随机字符串，或通过 .env 覆盖
       MP_TOKEN: ${MP_TOKEN:-change-me-in-production}
-      MP_FRONTEND_URL: ${MP_FRONTEND_URL:-https://post.smyhub.com}
-      MP_MS_OAUTH_REDIRECT: ${MP_MS_OAUTH_REDIRECT:-https://post.api.smyhub.com/api/oauth/microsoft/callback}
+      MP_FRONTEND_URL: ${MP_FRONTEND_URL:-https://post.shumengya.top}
+      MP_MS_OAUTH_REDIRECT: ${MP_MS_OAUTH_REDIRECT:-https://post.api.shumengya.top/api/oauth/microsoft/callback}
       MP_MS_CLIENT_ID: ${MP_MS_CLIENT_ID:-}
       MP_MS_CLIENT_SECRET: ${MP_MS_CLIENT_SECRET:-}
-      # 留空或 * 表示允许任意 Origin；可改为 https://post.smyhub.com
-      MP_CORS_ORIGINS: ${MP_CORS_ORIGINS:-}
+      # 留空或 * 表示允许任意 Origin；可改为 https://post.shumengya.top
+      MP_CORS_ORIGINS: ${MP_CORS_ORIGINS:-}
     volumes:
       - ../data:/app/data
diff --git a/mengpost-backend/env.docker.example b/mengpost-backend/env.docker.example
index a2cbdda..9140dc2 100644
--- a/mengpost-backend/env.docker.example
+++ b/mengpost-backend/env.docker.example
@@ -1,6 +1,6 @@
 # 复制为 .env 后由 docker compose 读取（与 docker-compose.yml 同目录）
 MP_TOKEN=请改为强随机字符串
-MP_FRONTEND_URL=https://post.smyhub.com
-MP_MS_OAUTH_REDIRECT=https://post.api.smyhub.com/api/oauth/microsoft/callback
+MP_FRONTEND_URL=https://post.shumengya.top
+MP_MS_OAUTH_REDIRECT=https://post.api.shumengya.top/api/oauth/microsoft/callback
 MP_MS_CLIENT_ID=
 MP_MS_CLIENT_SECRET=
diff --git a/mengpost-frontend/.env.production b/mengpost-frontend/.env.production
index 9169e7e..4a645b0 100644
--- a/mengpost-frontend/.env.production
+++ b/mengpost-frontend/.env.production
@@ -1,2 +1,2 @@
-# 生产构建：npm run build 时注入。静态站点域名 post.smyhub.com，API 走 post.api.smyhub.com
-VITE_API_URL=https://post.api.smyhub.com
+# 生产构建：npm run build 时注入。静态站点域名 post.shumengya.top，API 走 post.api.shumengya.top
+VITE_API_URL=https://post.api.shumengya.top
diff --git a/mengpost-frontend/vite.config.js b/mengpost-frontend/vite.config.js
index def5395..7b9f869 100644
--- a/mengpost-frontend/vite.config.js
+++ b/mengpost-frontend/vite.config.js
@@ -1,7 +1,7 @@
 import { defineConfig } from 'vite'
 import react from '@vitejs/plugin-react'
 
-// 生产：`.env.production` 中 VITE_API_URL=https://post.api.smyhub.com
+// 生产：`.env.production` 中 VITE_API_URL=https://post.api.shumengya.top
 // 开发：未设置时走相对路径 + server.proxy
 export default defineConfig({
   plugins: [react()],