diff --git a/qr-collection.html b/qr-collection.html
index 395dafc..f7186aa 100644
--- a/qr-collection.html
+++ b/qr-collection.html
@@ -296,16 +296,32 @@
         const response = await fetch(apiUrl);
         const data = await response.json();
         
-        if (data.success && data.qrCodes && data.qrCodes.length > 0) {
-          // 渲染二维码合集
-          renderQrCollection(data.qrCodes, user, data.isAdmin);
+        if (data.success) {
+          // 动态生成筛选按钮
+          if (data.isAdmin && data.invitees && data.invitees.length > 0) {
+            generateFilterButtons(data.invitees, user);
+          }
+          
+          if (data.qrCodes && data.qrCodes.length > 0) {
+            // 渲染二维码合集
+            renderQrCollection(data.qrCodes, user, data.isAdmin);
+          } else {
+            // 显示空状态
+            qrCollectionElement.innerHTML = `
+              <div class="empty-state">
+                <img src="https://api.qrserver.com/v1/create-qr-code/?size=100x100&data=empty" alt="空状态">
+                <p>暂无二维码</p>
+                <p style="font-size: 14px; margin-top: 5px;">请先生成邀请二维码</p>
+              </div>
+            `;
+          }
         } else {
-          // 显示空状态
+          // 显示错误状态
           qrCollectionElement.innerHTML = `
             <div class="empty-state">
-              <img src="https://api.qrserver.com/v1/create-qr-code/?size=100x100&data=empty" alt="空状态">
-              <p>暂无二维码</p>
-              <p style="font-size: 14px; margin-top: 5px;">请先生成邀请二维码</p>
+              <img src="https://api.qrserver.com/v1/create-qr-code/?size=100x100&data=error" alt="错误状态">
+              <p>加载失败</p>
+              <p style="font-size: 14px; margin-top: 5px;">请稍后重试</p>
             </div>
           `;
         }
@@ -320,6 +336,43 @@
         `;
       }
     }
+    
+    // 动态生成筛选按钮
+    function generateFilterButtons(invitees, currentUser) {
+      const filterButtonsContainer = document.querySelector('.filter-buttons');
+      if (!filterButtonsContainer) return;
+      
+      // 清空现有按钮，保留"全部"和"我的二维码"
+      filterButtonsContainer.innerHTML = `
+        <button class="filter-btn" data-filter="all">全部</button>
+        <button class="filter-btn" data-filter="me">我的二维码</button>
+      `;
+      
+      // 添加每个邀请者的筛选按钮
+      invitees.forEach(invitee => {
+        // 跳过当前用户自己
+        if (invitee.inviter && invitee.inviter !== (currentUser.name || currentUser.userName)) {
+          const button = document.createElement('button');
+          button.className = 'filter-btn';
+          button.dataset.filter = `invitee_${encodeURIComponent(invitee.inviter)}`;
+          button.dataset.inviter = invitee.inviter;
+          button.textContent = invitee.inviter;
+          filterButtonsContainer.appendChild(button);
+        }
+      });
+      
+      // 默认选中"全部"
+      document.querySelector('.filter-btn[data-filter="all"]').classList.add('active');
+      
+      // 绑定筛选按钮事件
+      document.querySelectorAll('.filter-btn').forEach(btn => {
+        btn.addEventListener('click', function() {
+          if (!this.disabled) {
+            filterQrCodes(this.dataset.filter, this.dataset.inviter);
+          }
+        });
+      });
+    }
 
     // 渲染二维码合集
     function renderQrCollection(qrCodes, currentUser, isAdmin) {
@@ -372,7 +425,7 @@
     }
 
     // 筛选二维码
-    function filterQrCodes(filter) {
+    function filterQrCodes(filter, inviterName) {
       const user = loadUserInfo();
       const qrCollectionElement = document.getElementById('qrCollection');
       
@@ -398,13 +451,14 @@
             let filteredQrCodes = data.qrCodes;
             
             if (filter === 'me' && user) {
+              // 筛选当前用户自己的二维码
               filteredQrCodes = data.qrCodes.filter(qrCode => 
                 qrCode.inviter === (user.name || user.userName)
               );
-            } else if (filter === 'others' && user && data.isAdmin) {
-              // 只有管理员可以查看他人二维码
+            } else if (filter.startsWith('invitee_') && inviterName) {
+              // 筛选特定邀请者的二维码
               filteredQrCodes = data.qrCodes.filter(qrCode => 
-                qrCode.inviter !== (user.name || user.userName)
+                qrCode.inviter === inviterName
               );
             }
             
@@ -427,39 +481,7 @@
 
     // 页面加载时加载二维码合集
     window.onload = function() {
-      const user = loadUserInfo();
-      
-      // 根据用户角色调整筛选按钮
-      if (user) {
-        // 判断用户角色
-        const isAdmin = user.projectName && (user.projectName.includes('管理员') || user.projectName.includes('Admin'));
-        
-        if (!isAdmin) {
-          // 非管理员用户，只保留"我的二维码"按钮
-          document.querySelectorAll('.filter-btn').forEach(btn => {
-            if (btn.dataset.filter !== 'me') {
-              btn.disabled = true;
-              btn.style.opacity = '0.5';
-              btn.style.cursor = 'not-allowed';
-            }
-          });
-          
-          // 默认选中"我的二维码"
-          document.querySelector('.filter-btn[data-filter="me"]').classList.add('active');
-          document.querySelector('.filter-btn[data-filter="all"]').classList.remove('active');
-        }
-      }
-      
       loadQrCollection();
-      
-      // 绑定筛选按钮事件
-      document.querySelectorAll('.filter-btn').forEach(btn => {
-        btn.addEventListener('click', function() {
-          if (!this.disabled) {
-            filterQrCodes(this.dataset.filter);
-          }
-        });
-      });
     };
   </script>
 </body>
diff --git a/server.js b/server.js
index d3d06c8..9c0e99f 100644
--- a/server.js
+++ b/server.js
@@ -269,6 +269,15 @@ const server = http.createServer(async (req, res) => {
       
       console.log('获取二维码合集成功，数量:', qrCodes.length);
       
+      // 获取所有邀请者列表（仅管理员）
+      let invitees = [];
+      if (isAdmin) {
+        const [inviteeRows] = await pool.execute(
+          'SELECT DISTINCT inviter, inviter_phone as inviterPhone, projectName as inviterProjectName FROM certificate WHERE inviter IS NOT NULL AND qrCodeUrl IS NOT NULL'
+        );
+        invitees = inviteeRows;
+      }
+      
       res.writeHead(200, { 
         'Content-Type': 'application/json',
         'Access-Control-Allow-Origin': '*',
@@ -278,7 +287,8 @@ const server = http.createServer(async (req, res) => {
       res.end(JSON.stringify({ 
         success: true, 
         qrCodes: qrCodes,
-        isAdmin: isAdmin
+        isAdmin: isAdmin,
+        invitees: invitees
       }));
     } catch (error) {
       console.error('获取二维码合集失败:', error.message);