导出优化出错的情况

app/admin/logic/OrderLogic.php

@@ -156,9 +156,9 @@ class OrderLogic extends BaseLogic
 
             if (empty($da)) throw new Exception('没有可供导出的数据');
         } catch (Exception $exception) {
-            $da[] = $exception->getMessage();
+            $da = [[$exception->getMessage()]];
         } catch (ValidateException $validateException) {
-            $da[] = $validateException->getError();
+            $da = [[$validateException->getError()]];
         }
         $headerArr = array_keys($da[0]);
         excel_save('订单导出' . date('YmdHis'), $headerArr, $da);