发件任务详情优化查询

@@ -113,7 +113,7 @@ class Job extends Base {
         $limit = app()->request('limit', 20, 'intval');
         $jobId = app()->request('id', 0, 'intval');
         $status = app()->request('status');
-        $isExport = false;
+        $isExport = app()->request('is_export', 0);
 
         if (!$jobId) {
             app()->e('send_job_id_null_error');
@@ -124,9 +124,6 @@ class Job extends Base {
         if ($status || $status === '0') {
             $whereArray['status'] = $status;
         }
-        if (app()->request('is_export', 0)) {
-            $isExport = true;
-        }
         $where = dbWhere($whereArray);
 
         $lists = db()->all(sendJobStatusSql::detail($where, $page, $limit, $isExport));