修复导入问题

frontend/assets/js/admin.js

@@ -134,6 +134,18 @@ async function doImport() {
         showToast(result.message);
         closeModal('importModal');
         loadStudents();
+        
+        // 显示详细导入结果
+        if (result.data && result.data.results) {
+            const failedList = result.data.results.filter(r => !r.success);
+            if (failedList.length > 0) {
+                let detail = '失败详情：\n';
+                failedList.forEach(r => {
+                    detail += `${r.student_no || '未知'}: ${r.error}\n`;
+                });
+                alert(detail);
+            }
+        }
     } else {
         showToast(result.message, 'error');
     }