diff --git a/README.md b/README.md
index 97017f8..e05bc02 100644
--- a/README.md
+++ b/README.md
@@ -1,4 +1,4 @@
-React 版 P大树洞，[pkuhelper.com/hole](http://pkuhelper.com/hole/)
+React 版 P大树洞，[pkuhelper.pku.edu.cn/hole](https://pkuhelper.pku.edu.cn/hole/)
 
 与 PKU Helper 客户端的树洞模块比较，本项目……
 
diff --git a/public/_headers b/public/_headers
deleted file mode 100644
index 2f2954f..0000000
--- a/public/_headers
+++ /dev/null
@@ -1,11 +0,0 @@
-/static/*
-  Cache-Control: public, max-age=86400
-
-/service-worker.js
-  Cache-Control: public, max-age=86400
-
-/
-  Cache-Control: public, max-age=120
-
-/?src=pwa
-  Cache-Control: public, max-age=120
\ No newline at end of file
diff --git a/public/_redirects b/public/_redirects
deleted file mode 100644
index 950cf22..0000000
--- a/public/_redirects
+++ /dev/null
@@ -1,3 +0,0 @@
-/api_proxy/*  http://www.pkuhelper.com:10301/services/pkuhole/:splat  200
-/audio_proxy/*  http://www.pkuhelper.com:10301/services/pkuhole/audios/:splat  200
-/login_proxy/*  http://www.pkuhelper.com:10301/services/login/:splat  200
\ No newline at end of file
diff --git a/src/App.js b/src/App.js
index 1f6bef9..6f01f5a 100644
--- a/src/App.js
+++ b/src/App.js
@@ -8,18 +8,26 @@ import {TokenCtx,ISOP_APPKEY} from './UserAction';
 import ImasuguApp from './imasugu/src/App';
 
 function DeprecatedAlert(props) {
-    if(['pkuhelper.com','www.pkuhelper.com','webhole.xmcp.ml','127.0.0.1','localhost'].indexOf(document.domain)===-1)
+    if(['pkuhelper.pku.edu.cn','127.0.0.1','localhostx'].indexOf(document.domain)===-1)
         return (
             <div className="flow-item-row">
                 <div className="box box-tip aux-margin">
-                    <p><b>官宣了！</b></p>
+                    <p><b>树洞又㕛叒换域名了！</b></p>
                     <br />
-                    <p>请访问官方树洞网页版</p>
-                    <p><a href="http://pkuhelper.com/hole">http://pkuhelper.com/hole</a></p>
-                    <p>加载三倍速，访问不卡顿</p>
+                    <p>请记住新网址：</p>
+                    <p><a href="https://pkuhelper.pku.edu.cn/hole">pkuhelper.pku.edu.cn/hole</a></p>
                     <br />
-                    <p>当前域名将停止维护。</p>
-                    <p>@xmcp</p>
+                    <p>当前域名我也不清楚什么时候停止维护。</p>
+                    <p>另外我们终于支持 HTTPS 和 HTTP/2 了。</p>
+                    <br />
+                    <TokenCtx.Consumer>{(token)=>(
+                        !!token.value && <div>
+                            <p>*Tips: </p>
+                            <p>点击右上角的 <span className="icon icon-about" /> ，复制 User Token，在新网址的登录页面输入，就不用重发验证码了。</p>
+                            <br />
+                        </div>
+                    )}</TokenCtx.Consumer>
+                    <p>@xmcp from PKUHelper Team</p>
                 </div>
             </div>
         );
diff --git a/src/flows_api.js b/src/flows_api.js
index b1f801c..6f15ecf 100644
--- a/src/flows_api.js
+++ b/src/flows_api.js
@@ -2,7 +2,7 @@ import {API_BASE} from './Common';
 
 export const API_VERSION_PARAM='&PKUHelperAPI=3.0';
 export const PKUHELPER_ROOT= // don't use :10301 if we are already in the same domain
-    (document.domain==='pkuhelper.com'||document.domain==='www.pkuhelper.com') ? '/' : '//pkuhelper.com/';
+    document.domain==='pkuhelper.pku.edu.cn' ? '/' : '//pkuhelper.pku.edu.cn/';
 
 function token_param(token) {
     return API_VERSION_PARAM + (token ? ('&user_token='+token) : '');