diff --git a/qr-collection.html b/qr-collection.html
index e57a6f6..af528bd 100644
--- a/qr-collection.html
+++ b/qr-collection.html
@@ -440,57 +440,34 @@
     function renderQrCollection(qrCodes, currentUser, isAdmin) {
       const qrCollectionElement = document.getElementById('qrCollection');
       
-      // 按邀请者分组
-      const groupedQrCodes = {};
-      qrCodes.forEach(qrCode => {
-        const inviterName = qrCode.inviter || '未知邀请者';
-        if (!groupedQrCodes[inviterName]) {
-          groupedQrCodes[inviterName] = [];
-        }
-        groupedQrCodes[inviterName].push(qrCode);
-      });
-      
       // 生成HTML
       let html = '';
-      Object.keys(groupedQrCodes).forEach(inviterName => {
-        const inviterQrCodes = groupedQrCodes[inviterName];
-        
+      qrCodes.forEach((qrCode, index) => {
         // 生成唯一的section ID
-        const sectionId = `section_${encodeURIComponent(inviterName)}`;
+        const sectionId = `section_${index}_${encodeURIComponent(qrCode.sessionId || Math.random().toString(36).substr(2, 9))}`;
         
         html += `
-          <div class="qr-section">
+          <div class="qr-section" style="margin-bottom: 20px;">
             <div class="section-header" onclick="toggleSection('${sectionId}')" style="cursor: pointer; display: flex; justify-content: space-between; align-items: center; padding: 10px; background-color: #f8f9fa; border-radius: 8px; margin-bottom: 10px;">
               <div>
                 <div style="font-size: 12px; color: #666;">
-                  <p style="margin: 2px 0;">主体名称: ${inviterQrCodes[0].company || '未知'}</p>
-                  <p style="margin: 2px 0;">电话号码: ${inviterQrCodes[0].phoneNumber || '未知'}</p>
-                  <p style="margin: 2px 0;">开具日期: ${inviterQrCodes[0].createdAt || '未知'}</p>
+                  <p style="margin: 2px 0;">主体名称: ${qrCode.company || '未知'}</p>
+                  <p style="margin: 2px 0;">电话号码: ${qrCode.phoneNumber || '未知'}</p>
+                  <p style="margin: 2px 0;">开具日期: ${qrCode.createdAt || '未知'}</p>
                 </div>
               </div>
               <span class="toggle-icon" id="toggle_${sectionId}" style="font-size: 18px; color: #28a745;">▼</span>
             </div>
             <div id="${sectionId}" class="qr-grid" style="display: none; padding: 10px; background-color: #fafafa; border-radius: 8px;">
-        `;
-        
-        inviterQrCodes.forEach(qrCode => {
-          // 使用数据库中存储的二维码URL
-          const qrImageUrl = qrCode.qrCodeUrl || `https://api.qrserver.com/v1/create-qr-code/?size=200x200&data=${encodeURIComponent(qrCode.url)}`;
-          
-          html += `
-            <div class="qr-item">
-              <img src="${qrImageUrl}" alt="邀请二维码">
-              <div class="qr-info">
-                <p class="name">${qrCode.inviter || '未知'}</p>
-                <p>${qrCode.inviterProjectName || '无职位'}</p>
-                <p>${qrCode.createdAt || ''}</p>
+              <div class="qr-item">
+                <img src="${qrCode.qrCodeUrl || `https://api.qrserver.com/v1/create-qr-code/?size=200x200&data=${encodeURIComponent(qrCode.url)}`}" alt="邀请二维码">
+                <div class="qr-info">
+                  <p class="name">${qrCode.inviter || '未知'}</p>
+                  <p>${qrCode.inviterProjectName || '无职位'}</p>
+                  <p>${qrCode.createdAt || ''}</p>
+                </div>
               </div>
             </div>
-          `;
-        });
-        
-        html += `
-            </div>
           </div>
         `;
       });