diff --git a/docker-compose.yml b/docker-compose.yml
index 9a59d75..144531d 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -27,6 +27,10 @@ services:
       RUN_LOG_KEEP: ${RUN_LOG_KEEP:-2000}
       SNAPSHOT_KEEP: ${SNAPSHOT_KEEP:-200}
       TZ: ${TZ:-Asia/Shanghai}
+    # 固定容器内 DNS 为国内公共解析，绕过宿主机 1.1.1.1/8.8.8.8 上游（国内常不可用）
+    dns:
+      - 223.5.5.5
+      - 119.29.29.29
     volumes:
       # 唯一的持久化目录：SQLite 库（study.db + -wal/-shm）都在这里
       - ./data:/app/data
diff --git a/static/index.html b/static/index.html
index 88b04b1..8889226 100644
--- a/static/index.html
+++ b/static/index.html
@@ -3,7 +3,7 @@
 <head>
 <meta charset="utf-8">
 <meta name="viewport" content="width=device-width, initial-scale=1">
-<title>多账号学习控制台 · 东莞市教师培训平台</title>
+<title>东莞市教师培训平台 · 莞易学</title>
 <style>
   :root{
     color-scheme:light;
@@ -259,7 +259,7 @@
 </head>
 <body>
 <header class="top">
-  <h1>多账号学习控制台</h1>
+  <h1>莞易学</h1>
   <span class="sub">东莞市教师培训平台 · jspx.dgjy.net</span>
   <span class="spacer"></span>
   <button class="btn" id="setBtn">设置</button>