修复二维码生成器问题

pages/qrcode.php

@@ -47,19 +47,20 @@ async function generateQR() {
         return;
     }
     
-    const size = document.getElementById('size').value;
+    const size = parseInt(document.getElementById('size').value);
     
     try {
         const data = await apiRequest('/qrcode/generate', {
             method: 'POST',
-            body: JSON.stringify({ content, size: parseInt(size) })
+            body: JSON.stringify({ content: content, size: size })
         });
         
         currentQRCode = data.qr_code;
         document.getElementById('qrContainer').innerHTML = `<img src="${data.qr_code}" alt="二维码" class="max-w-full mx-auto">`;
         document.getElementById('downloadBtn').classList.remove('hidden');
     } catch (error) {
-        showToast(error.message, 'error');
+        console.error('生成失败:', error);
+        showToast('生成失败: ' + (error.message || '未知错误'), 'error');
     }
 }