diff --git a/backend/app/routers/information.py b/backend/app/routers/information.py
index 1135447..cb7ae31 100644
--- a/backend/app/routers/information.py
+++ b/backend/app/routers/information.py
@@ -718,9 +718,15 @@ def match_seek(
     if not info:
         raise HTTPException(status_code=404, detail="寻配号信息不存在")
     
+    # 检查是否已被匹配（一个寻号只能被一个用户匹配）
+    if info.is_matched == "matched":
+        raise HTTPException(status_code=400, detail="该寻号已被其他用户匹配")
+    
     # 更新匹配状态
     info.is_matched = "matched"
     info.matched_user_id = current_user.f99_90_id
+    # 保存匹配者的联系方式
+    info.matched_contact = request.contact or ''
     
     # 更新发布寻号者的内容，显示有藏品被匹配
     original_content = info.content or ""
@@ -797,3 +803,82 @@ def get_comments(
         }
         for c in comments
     ]
+
+
+# ============ 获取匹配者信息 ============
+@router.get("/seek/matched-user/{info_id}")
+def get_matched_user(
+    info_id: str,
+    current_user: User = Depends(get_current_user),
+    db: Session = Depends(get_db)
+):
+    """获取寻号的匹配者信息（仅发布者可见）"""
+    info = db.query(Information).filter(
+        Information.id == info_id,
+        Information.info_type == "seek"
+    ).first()
+    
+    if not info:
+        raise HTTPException(status_code=404, detail="寻配号信息不存在")
+    
+    # 只有发布者可以看到匹配者信息
+    if info.user_id != current_user.f99_90_id:
+        raise HTTPException(status_code=403, detail="无权访问")
+    
+    if not info.matched_user_id:
+        return {"message": "暂无匹配者"}
+    
+    # 获取匹配者信息
+    matched_user = db.query(User).filter(User.f99_90_id == info.matched_user_id).first()
+    if not matched_user:
+        return {"message": "匹配者不存在"}
+    
+    return {
+        "matched_user_id": info.matched_user_id,
+        "user_name": matched_user.f01_01_name,
+        "phone": matched_user.phone,
+        "matched_contact": info.matched_contact,
+        "matched_at": info.updated_at.isoformat() if info.updated_at else None
+    }
+
+
+# ============ 获取发布者信息 ============
+@router.get("/seek/publisher/{info_id}")
+def get_publisher_info(
+    info_id: str,
+    current_user: User = Depends(get_current_user),
+    db: Session = Depends(get_db)
+):
+    """获取寻号的发布者信息（仅匹配者可见）"""
+    info = db.query(Information).filter(
+        Information.id == info_id,
+        Information.info_type == "seek"
+    ).first()
+    
+    if not info:
+        raise HTTPException(status_code=404, detail="寻配号信息不存在")
+    
+    # 只有匹配者可以看到发布者信息
+    if info.matched_user_id != current_user.f99_90_id:
+        raise HTTPException(status_code=403, detail="无权访问")
+    
+    # 获取发布者信息
+    publisher = db.query(User).filter(User.f99_90_id == info.user_id).first()
+    if not publisher:
+        return {"message": "发布者不存在"}
+    
+    # 从content中解析联系方式
+    contact = ''
+    if info.content:
+        import re
+        match = re.search(r'联系方式[:\s]*(.+?)(?:\n|$)', info.content)
+        if match:
+            contact = match.group(1).strip()
+    
+    return {
+        "user_id": info.user_id,
+        "user_name": publisher.f01_01_name,
+        "phone": publisher.phone,
+        "contact": contact,
+        "created_at": info.created_at.isoformat() if info.created_at else None
+    }
diff --git a/frontend/src/pages/News.jsx b/frontend/src/pages/News.jsx
index 19aa7b3..353c23b 100644
--- a/frontend/src/pages/News.jsx
+++ b/frontend/src/pages/News.jsx
@@ -124,6 +124,24 @@ export default function News() {
       alert('操作失败: ' + e.message)
     }
   }
+  const fetchMatchedUserInfo = async (infoId) => {
+    const token = localStorage.getItem('token')
+    if (!token) return
+    try {
+      const res = await fetch(`${API_BASE}/api/information/seek/matched-user/${infoId}`, { headers: { Authorization: `Bearer ${token}` } })
+      const data = await res.json()
+      if (data.matched_user_id) alert(`匹配者: ${data.user_name}, 联系方式: ${data.matched_contact || '未提供'}`)
+    } catch (e) { console.error(e) }
+  }
+  const fetchPublisherInfo = async (infoId) => {
+    const token = localStorage.getItem('token')
+    if (!token) return
+    try {
+      const res = await fetch(`${API_BASE}/api/information/seek/publisher/${infoId}`, { headers: { Authorization: `Bearer ${token}` } })
+      const data = await res.json()
+      if (data.user_id) alert(`发布者: ${data.user_name}, 联系方式: ${data.contact || '未提供'}`)
+    } catch (e) { console.error(e) }
+  }
   const fetchMatchCollections = async (infoId) => {
     const token = localStorage.getItem('token')
     if (!token) { alert('请先登录'); return }
@@ -465,20 +483,26 @@ export default function News() {
                     <div style={{ marginBottom: '8px' }}>
                       <div style={{ color: '#94a3b8', fontSize: '12px', marginBottom: '4px' }}>联系方式</div>
                       <div style={{ color: '#f97316', fontSize: '13px', padding: '8px', background: 'rgba(249,115,22,0.1)', borderRadius: '6px' }}>
-                        联系方式：{showContactId === item.id ? contact : '***'}
+                        联系方式：{showContactId === item.id ? contact : '匹配成功后可查看'}
                       </div>
                       
                       {/* 是否匹配按钮 - 仅对已登录用户显示 */}
                       {currentUser && (
                         <div style={{ marginTop: '8px' }}>
                           <span style={{ 
-                            padding: '4px 12px', 
+                            padding: '5px 14px', 
                             borderRadius: '4px', 
                             fontSize: '12px',
-                            background: (item.is_matched === 'matched' || matchedStatus[item.id] === 'matched') ? '#10b981' : '#6b7280',
-                            color: '#fff'
+                            background: (item.is_matched === 'matched' || matchedStatus[item.id] === 'matched') 
+                              ? ((item.user_id === currentUserId || item.matched_user_id === currentUserId) ? '#10b981' : '#6b7280') 
+                              : '#6b7280',
+                            color: '#fff',
+                            opacity: (item.is_matched === 'matched' || matchedStatus[item.id] === 'matched') 
+                              ? ((item.user_id === currentUserId || item.matched_user_id === currentUserId) ? 1 : 0.5) 
+                              : 1
                           }}>
                             {(item.is_matched === 'matched' || matchedStatus[item.id] === 'matched') ? '已经匹配' : '尚未匹配'}
+                            {(item.is_matched === 'matched' || matchedStatus[item.id] === 'matched') && <button onClick={() => item.user_id === currentUserId ? fetchMatchedUserInfo(item.id) : fetchPublisherInfo(item.id)} style={{padding:'4px 10px',borderRadius:'4px',fontSize:'12px',background:(item.user_id === currentUserId || item.matched_user_id === currentUserId) ? '#10b981' : '#6b7280',border:'none',color:(item.user_id === currentUserId || item.matched_user_id === currentUserId) ? '#fb923c' : '#9ca3af',fontWeight:'bold',cursor:(item.user_id === currentUserId || item.matched_user_id === currentUserId) ? 'pointer' : 'not-allowed',marginLeft:'4px'}}>{item.user_id === currentUserId ? '匹配者信息' : '发布者信息'}</button>}
                           </span>
                         </div>
                       )}