diff --git a/chfs-ng/internal/api/web/index.html b/chfs-ng/internal/api/web/index.html
index b6aa0f7..60cd2c4 100644
--- a/chfs-ng/internal/api/web/index.html
+++ b/chfs-ng/internal/api/web/index.html
@@ -42,10 +42,11 @@ function fmt(n){if(n<1024)return n+" B";if(n<1048576)return (n/1024).toFixed(1)+
 async function init(){try{me=await api("/chfs/me")}catch{me={username:"",home:"",admin:false}};updateUser();current=me.home||"";await refresh()}
 function updateUser(){$("who").textContent=me.username?me.username: "访客";$("loginBtn").hidden=!!me.username;$("logoutBtn").hidden=!me.username;$("usersBtn").hidden=!me.admin;$("pwdBtn").hidden=!me.username||!me.managed}
 async function refresh(){try{const q=encodeURIComponent(current);const data=await api("/chfs/files?filepath="+q);render(data.files||[]);$("crumb").textContent="/"+current;$("notice").innerHTML=""}catch(e){$("notice").innerHTML='<div class="notice">'+esc(e.message)+"</div>"}}
-function render(items){const body=$("files");body.innerHTML="";if(!items.length){body.innerHTML='<tr><td colspan="4" class="empty">这里还没有文件</td></tr>';return}for(const f of items){const p=current?current+"/"+f.name:f.name;const row=document.createElement("tr");const icon=f.dir?"📁":"📄";row.innerHTML='<td><div class="name"><span>'+icon+'</span>'+ (f.dir?'<a href="#" onclick="openDir('+JSON.stringify(p)+');return false">'+esc(f.name)+'</a>':'<span>'+esc(f.name)+'</span>')+'</div></td><td class="meta">'+(f.dir?"—":fmt(f.size))+'</td><td class="meta">'+esc(f.modified||"")+'</td><td><div class="actions">'+(f.dir?'<button class="ghost" onclick="downloadDir('+JSON.stringify(p)+')">ZIP</button>':'<button class="ghost" onclick="downloadFile('+JSON.stringify(p)+')">下载</button>')+'<button class="ghost" onclick="renameItem('+JSON.stringify(p)+')">改名</button><button class="danger" onclick="removeItem('+JSON.stringify(p)+')">删除</button></div></td>';body.appendChild(row)}}
+function render(items){const body=$("files");body.innerHTML="";if(!items.length){body.innerHTML='<tr><td colspan="4" class="empty">这里还没有文件</td></tr>';return}for(const f of items){const p=current?current+"/"+f.name:f.name;const row=document.createElement("tr");const icon=f.dir?"📁":"📄";const share=f.guestMask&&f.guestMask.includes("R")?'<button class="ghost" onclick="shareItem('+JSON.stringify(p)+')">分享</button>':"";row.innerHTML='<td><div class="name"><span>'+icon+'</span>'+ (f.dir?'<a href="#" onclick="openDir('+JSON.stringify(p)+');return false">'+esc(f.name)+'</a>':'<span>'+esc(f.name)+'</span>')+'</div></td><td class="meta">'+(f.dir?"—":fmt(f.size))+'</td><td class="meta">'+esc(f.modified||"")+'</td><td><div class="actions">'+(f.dir?'<button class="ghost" onclick="downloadDir('+JSON.stringify(p)+')">ZIP</button>':'<button class="ghost" onclick="downloadFile('+JSON.stringify(p)+')">下载</button>')+share+'<button class="ghost" onclick="renameItem('+JSON.stringify(p)+')">改名</button><button class="danger" onclick="removeItem('+JSON.stringify(p)+')">删除</button></div></td>';body.appendChild(row)}}
 function openDir(p){current=p;refresh()}function goUp(){if(!current)return;const root=me.home||"";if(current===root)return;let p=current.split("/");p.pop();let n=p.join("/");if(root&&!(n===root||n.startsWith(root+"/")))n=root;current=n;refresh()}
 function downloadFile(p){location.href="/chfs/shared/"+encodeURIComponent(p).replace(/%2F/g,"/")}
 function downloadDir(p){location.href="/chfs/downloaddir/"+encodeURI(p)}
+async function shareItem(p){const url=new URL("/chfs/shared/"+encodeURI(p),location.href).href;try{await navigator.clipboard.writeText(url);alert("分享链接已复制")}catch{prompt("复制分享链接",url)}}
 async function renameItem(p){const name=p.split("/").pop();const n=prompt("新名称",name);if(!n||n===name)return;const dest=(p.split("/").slice(0,-1).concat(n)).join("/");try{await api("/chfs/rename",{method:"POST",headers:{"Content-Type":"application/x-www-form-urlencoded"},body:new URLSearchParams({old:p,new:dest})});refresh()}catch(e){alert(e.message)}}
 async function removeItem(p){if(!confirm("确定删除 "+p+"？"))return;try{await api("/chfs/rmfiles",{method:"POST",headers:{"Content-Type":"application/x-www-form-urlencoded"},body:new URLSearchParams({filepath:p})});refresh()}catch(e){alert(e.message)}}
 async function newFolder(){const n=prompt("文件夹名称");if(!n)return;const p=current?current+"/"+n:n;try{await api("/chfs/newdir",{method:"POST",headers:{"Content-Type":"application/x-www-form-urlencoded"},body:new URLSearchParams({filepath:p})});refresh()}catch(e){alert(e.message)}}