diff --git a/index.html b/index.html
index d821445..2ebd2d9 100644
--- a/index.html
+++ b/index.html
@@ -63,8 +63,8 @@ footer{text-align:center;color:#5d8496;font-size:12px;margin-top:60px;}
 </div>
 </div>
 <p class="stats" id="stats"></p>
-<div id="list"></div>
-<footer>本页面仅作技术交流与源共享用途 · 数据保存在浏览器本地</footer>
+<div id="list"><div class="empty">加载中…</div></div>
+<footer>本页面仅作技术交流与源共享用途 · 数据保存在服务器，全站共享</footer>
 </div>
 <div class="modal" id="pwdModal">
 <div class="modal-box">
@@ -76,18 +76,11 @@ footer{text-align:center;color:#5d8496;font-size:12px;margin-top:60px;}
 <div class="toast" id="toast"></div>
 <script>
 var ADMIN_PWD='iptv2026';
-var KEY='iptv_share_sources';
-var DEFAULTS=[
- {name:'示例 · 综合直播源（m3u）',url:'https://live.fanmingming.com/tv/m3u/ipv6.m3u'},
- {name:'示例 · 央视卫视源（txt）',url:'http://example.com/cctv.txt'}
-];
-function load(){try{var v=JSON.parse(localStorage.getItem(KEY));if(v&&v.length>=0)return v;}catch(e){}return DEFAULTS.slice();}
-function save(v){try{localStorage.setItem(KEY,JSON.stringify(v));}catch(e){}}
+var API='/api/iptv';
 var isAdmin=false;
 function toast(m){var t=document.getElementById('toast');t.textContent=m;t.classList.add('show');setTimeout(function(){t.classList.remove('show');},1800);}
 function esc(s){return String(s).replace(/&/g,'&amp;').replace(/</g,'&lt;').replace(/>/g,'&gt;').replace(/"/g,'&quot;');}
-function render(){
- var v=load();
+function render(v){
  document.getElementById('stats').textContent='共 '+v.length+' 个直播源';
  var h='';
  if(v.length===0){h='<div class="empty">暂无直播源，管理员登录后可添加</div>';}
@@ -96,7 +89,34 @@ function render(){
  }
  document.getElementById('list').innerHTML=h;
 }
-function copyUrl(i){var v=load()[i].url;navigator.clipboard?navigator.clipboard.writeText(v).then(function(){toast('已复制');},function(){fallback(v);}):fallback(v);}
+function fetchList(cb){
+ var x=new XMLHttpRequest();
+ x.open('GET',API,true);
+ x.onload=function(){if(x.status===200){try{cb(JSON.parse(x.responseText).sources||[]);}catch(e){cb([]);}}else{cb([]);}};
+ x.onerror=function(){cb([]);};
+ x.send(null);
+}
+function refresh(){fetchList(render);}
+function saveToServer(list){
+ var x=new XMLHttpRequest();
+ x.open('POST',API,true);
+ x.setRequestHeader('Content-Type','application/json');
+ x.onload=function(){
+  if(x.status===200){toast('已保存到服务器');refresh();}
+  else if(x.status===403){toast('密码错误');}
+  else{toast('保存失败，请重试');}
+ };
+ x.onerror=function(){toast('网络错误');};
+ x.send(JSON.stringify({pwd:ADMIN_PWD,sources:list}));
+}
+function addItem(){
+ var n=document.getElementById('inName').value.trim(),u=document.getElementById('inUrl').value.trim();
+ if(!n||!u){toast('请填写标题和链接');return;}
+ fetchList(function(v){v.push({name:n,url:u});saveToServer(v);});
+ document.getElementById('inName').value='';document.getElementById('inUrl').value='';
+}
+function delItem(i){fetchList(function(v){v.splice(i,1);saveToServer(v);});}
+function copyUrl(i){fetchList(function(v){var u=v[i].url;navigator.clipboard?navigator.clipboard.writeText(u).then(function(){toast('已复制');},function(){fallback(u);}):fallback(u);});}
 function fallback(t){var ta=document.createElement('textarea');ta.value=t;document.body.appendChild(ta);ta.select();document.execCommand('copy');document.body.removeChild(ta);toast('已复制');}
 function adminClick(){
  if(isAdmin){isAdmin=false;document.body.classList.remove('admin');document.getElementById('addPanel').classList.remove('show');document.getElementById('adminBtn').textContent='管理员';document.getElementById('adminBtn').classList.remove('unlock');toast('已退出管理员');}
@@ -107,15 +127,8 @@ function doLogin(){
  if(p===ADMIN_PWD){isAdmin=true;document.body.classList.add('admin');document.getElementById('pwdModal').classList.remove('show');document.getElementById('addPanel').classList.add('show');document.getElementById('adminBtn').textContent='管理员已解锁';document.getElementById('adminBtn').classList.add('unlock');toast('欢迎，管理员');}
  else{toast('密码错误');}
 }
-function addItem(){
- var n=document.getElementById('inName').value.trim(),u=document.getElementById('inUrl').value.trim();
- if(!n||!u){toast('请填写标题和链接');return;}
- var v=load();v.push({name:n,url:u});save(v);render();
- document.getElementById('inName').value='';document.getElementById('inUrl').value='';toast('添加成功');
-}
-function delItem(i){var v=load();v.splice(i,1);save(v);render();toast('已删除');}
 document.getElementById('pwdModal').addEventListener('click',function(e){if(e.target===this)this.classList.remove('show');});
-render();
+refresh();
 </script>
 </body>
 </html>