diff --git a/frontend/src/pages/YichensBoard.jsx b/frontend/src/pages/YichensBoard.jsx
index 6d59a1b..f9a74bb 100644
--- a/frontend/src/pages/YichensBoard.jsx
+++ b/frontend/src/pages/YichensBoard.jsx
@@ -42,18 +42,20 @@ export default function YichensBoard() {
     }
   }
 
-  const fetchPosts = async (p, cat, kw) => {
+  const fetchPosts = async (p, cat, kw, numFilter) => {
     setLoading(true)
     setError(null)
     const currentPage = p !== undefined ? p : page
     const currentCat = cat !== undefined ? cat : categoryFilter
     const searchKw = kw !== undefined ? kw : searchKeyword
+    const numFilterVal = numFilter !== undefined ? numFilter : numberFilter
     
     let url = '/api/yichens/posts?limit=390&offset=' + ((currentPage - 1) * 390)
     if (postTypeFilter === 'deal') url += '&post_type=deal'
     else if (postTypeFilter === 'want') url += '&post_type=want'
     else if (postTypeFilter === 'other') url += '&post_type=normal'
     if (searchKw && searchKw.trim()) url += '&keyword=' + encodeURIComponent(searchKw.trim())
+    if (numFilterVal && numFilterVal !== '') url += '&number_filter=' + encodeURIComponent(numFilterVal)
     
     try {
       console.log('YichensBoard: 请求 posts', url)
@@ -273,12 +275,12 @@ export default function YichensBoard() {
             </div>
             <div style={{ display: 'flex', gap: 8 }}>
               {page > 1 ? (
-                <button onClick={() => { const newPage = page - 1; setPage(newPage); fetchPosts(newPage, categoryFilter, searchKeyword) }} style={{ padding: '6px 12px', borderRadius: 6, border: 'none', background: '#3b82f6', color: '#fff', cursor: 'pointer', fontSize: 12 }}>上一页</button>
+                <button onClick={() => { const newPage = page - 1; setPage(newPage); fetchPosts(newPage, categoryFilter, searchKeyword, numberFilter) }} style={{ padding: '6px 12px', borderRadius: 6, border: 'none', background: '#3b82f6', color: '#fff', cursor: 'pointer', fontSize: 12 }}>上一页</button>
               ) : (
                 <span style={{ padding: '6px 12px', borderRadius: 6, background: '#374151', color: '#6b7280', fontSize: 12 }}>上一页</span>
               )}
-              {posts.length >= 390 && totalPosts > page * 390 ? (
-                <button onClick={() => { const newPage = page + 1; setPage(newPage); fetchPosts(newPage, categoryFilter, searchKeyword) }} style={{ padding: '6px 12px', borderRadius: 6, border: 'none', background: '#3b82f6', color: '#fff', cursor: 'pointer', fontSize: 12 }}>下一页</button>
+              {posts.length >= 390 ? (
+                <button onClick={() => { const newPage = page + 1; setPage(newPage); fetchPosts(newPage, categoryFilter, searchKeyword, numberFilter) }} style={{ padding: '6px 12px', borderRadius: 6, border: 'none', background: '#3b82f6', color: '#fff', cursor: 'pointer', fontSize: 12 }}>下一页</button>
               ) : (
                 <span style={{ padding: '6px 12px', borderRadius: 6, background: '#374151', color: '#6b7280', fontSize: 12 }}>下一页</span>
               )}