diff --git a/app/report-preview/page.jsx b/app/report-preview/page.jsx
index fb771fa..95b6692 100644
--- a/app/report-preview/page.jsx
+++ b/app/report-preview/page.jsx
@@ -1,6 +1,7 @@
 'use client';
 
 import { useEffect, useMemo, useRef, useState } from 'react';
+import { useRouter } from 'next/navigation';
 import Starfield from '../../components/Starfield';
 
 const ZODIAC_SYMBOL = {
@@ -81,6 +82,11 @@ export default function ReportPreviewPage() {
   const [error, setError] = useState('');
   const headerRef = useRef(null);
   const [headerVisible, setHeaderVisible] = useState(false);
+  const [showShare, setShowShare] = useState(false);
+  const [copied, setCopied] = useState(false);
+  const [showRestart, setShowRestart] = useState(false);
+  const [isOwner, setIsOwner] = useState(false);
+  const router = useRouter();
 
   useEffect(() => {
     if (typeof window === 'undefined') return;
@@ -112,7 +118,12 @@ export default function ReportPreviewPage() {
           setData(d.report);
           return;
         }
-        if (d?.status === 'error') throw new Error(d?.error || '生成失败');
+        if (d?.status === 'error') {
+          if (d?.error === 'session_not_found') {
+            throw new Error('SESSION_NOT_FOUND');
+          }
+          throw new Error(d?.error || '生成失败');
+        }
         // generating 或 not_started → 等2秒再试
         if (attempt < 29) {
           await new Promise(resolve => setTimeout(resolve, 2000));
@@ -123,7 +134,13 @@ export default function ReportPreviewPage() {
     finally { setLoading(false); }
   };
 
-  useEffect(() => { load(); }, [sid]);
+  useEffect(() => {
+    if (sid) {
+      const localSid = localStorage.getItem('lingjing_sid') || '';
+      setIsOwner(localSid === sid);
+      load();
+    }
+  }, [sid]);
 
   return (
     <main className="relative min-h-screen overflow-hidden bg-[#05030f] text-white">
@@ -133,7 +150,7 @@ export default function ReportPreviewPage() {
         <header ref={headerRef} className="mb-8 text-center"
           style={{ opacity: headerVisible ? 1 : 0, transform: headerVisible ? 'translateY(0)' : 'translateY(-20px)', transition: 'opacity 0.8s ease, transform 0.8s ease' }}>
           <p className="text-xs tracking-[0.3em] text-white/35">LINGJING REPORT</p>
-          <h1 className="mt-2 text-3xl font-light tracking-widest">你的灵镜报告</h1>
+          <h1 className="mt-2 text-3xl font-light tracking-widest">{isOwner ? '你的灵镜报告' : 'ta的灵镜报告'}</h1>
         </header>
 
         {loading ? (
@@ -145,8 +162,18 @@ export default function ReportPreviewPage() {
         ) : null}
         {error ? (
           <div className="mx-auto max-w-xl rounded-2xl border border-white/10 bg-white/5 p-6 text-center">
-            <p className="text-red-300">{error}</p>
-            <button className="mt-4 rounded-xl border border-white/20 px-4 py-2 text-sm" onClick={load}>重试</button>
+            {error === 'SESSION_NOT_FOUND' ? (
+              <>
+                <p className="text-white/70 mb-2">找不到你的报告记录</p>
+                <p className="text-xs text-white/40 mb-4">可能是之前的对话已过期</p>
+                <button className="rounded-xl border border-white/20 bg-white/10 px-5 py-2.5 text-sm text-white" onClick={() => { localStorage.removeItem('lingjing_sid'); router.replace('/chat'); }}>重新开始</button>
+              </>
+            ) : (
+              <>
+                <p className="text-red-300">{error}</p>
+                <button className="mt-4 rounded-xl border border-white/20 px-4 py-2 text-sm" onClick={load}>重试</button>
+              </>
+            )}
           </div>
         ) : null}
 
@@ -311,7 +338,97 @@ export default function ReportPreviewPage() {
 
           </div>
         ) : null}
+
+        {/* 底部操作区（仅本人可见） */}
+        {!loading && !error && data && isOwner ? (
+          <div className="mt-10 flex flex-col items-center gap-4 pb-12">
+            <button
+              onClick={() => setShowShare(true)}
+              className="w-full max-w-xs rounded-full border border-white/30 bg-white/10 py-3 text-sm tracking-widest text-white/90 backdrop-blur-sm transition hover:bg-white/20"
+            >
+              分享给朋友
+            </button>
+            <button
+              onClick={() => setShowRestart(true)}
+              className="text-xs text-white/30 underline underline-offset-4 hover:text-white/50 transition"
+            >
+              重新开始
+            </button>
+          </div>
+        ) : null}
+
       </div>
+
+      {/* 分享弹窗 */}
+      {showShare ? (
+        <div className="fixed inset-0 z-50 flex items-end justify-center bg-black/60 backdrop-blur-sm" onClick={() => setShowShare(false)}>
+          <div className="w-full max-w-lg rounded-t-3xl bg-[#0e0b1f] border-t border-white/10 p-6 pb-10" onClick={e => e.stopPropagation()}>
+            <h3 className="text-center text-base font-semibold text-white mb-1">分享给朋友</h3>
+            <p className="text-center text-xs text-white/40 mb-5">朋友可以直接看到你的完整报告</p>
+            <div className="flex items-center gap-2 rounded-xl border border-white/15 bg-white/5 px-4 py-3 mb-4">
+              <p className="flex-1 truncate text-xs text-white/60 font-mono">
+                {typeof window !== 'undefined' ? window.location.href : ''}
+              </p>
+              <button
+                onClick={() => {
+                  if (typeof window !== 'undefined') {
+                    navigator.clipboard.writeText(window.location.href).then(() => {
+                      setCopied(true);
+                      setTimeout(() => setCopied(false), 2000);
+                    });
+                  }
+                }}
+                className="shrink-0 rounded-lg bg-white/15 px-3 py-1.5 text-xs text-white hover:bg-white/25 transition"
+              >
+                {copied ? '已复制 ✓' : '复制链接'}
+              </button>
+            </div>
+            <p className="text-center text-xs text-white/30">朋友看完可以在页面底部做自己的报告</p>
+            <button onClick={() => setShowShare(false)} className="mt-5 w-full rounded-full border border-white/15 py-3 text-sm text-white/50 hover:text-white/80 transition">关闭</button>
+          </div>
+        </div>
+      ) : null}
+
+      {/* 重做确认弹窗 */}
+      {showRestart ? (
+        <div className="fixed inset-0 z-50 flex items-center justify-center bg-black/60 backdrop-blur-sm" onClick={() => setShowRestart(false)}>
+          <div className="w-full max-w-sm mx-4 rounded-2xl bg-[#0e0b1f] border border-white/10 p-6" onClick={e => e.stopPropagation()}>
+            <h3 className="text-base font-semibold text-white mb-2">重新开始？</h3>
+            <p className="text-sm text-white/50 leading-6 mb-6">重新开始会生成全新报告，当前报告不会保留，确定吗？</p>
+            <div className="flex gap-3">
+              <button
+                onClick={() => setShowRestart(false)}
+                className="flex-1 rounded-full border border-white/20 py-2.5 text-sm text-white/60 hover:text-white/90 transition"
+              >
+                取消
+              </button>
+              <button
+                onClick={() => {
+                  localStorage.removeItem('lingjing_sid');
+                  router.replace('/chat');
+                }}
+                className="flex-1 rounded-full bg-white/15 py-2.5 text-sm text-white hover:bg-white/25 transition"
+              >
+                确定重新开始
+              </button>
+            </div>
+          </div>
+        </div>
+      ) : null}
+
+      {/* 分享页底部引导（仅非本人查看时显示） */}
+      {!isOwner ? (
+        <div className="relative z-10 border-t border-white/5 bg-[#05030f] px-4 py-8 text-center">
+          <p className="text-sm text-white/40 mb-4">看完 ta 的报告？来做你自己的</p>
+          <button
+            onClick={() => { localStorage.removeItem('lingjing_sid'); router.push('/chat'); }}
+            className="rounded-full border border-white/20 px-8 py-3 text-sm text-white/80 hover:bg-white/10 transition"
+          >
+            开始我的灵镜报告 →
+          </button>
+        </div>
+      ) : null}
+
     </main>
   );
 }