优化流程单

application/api/controller/ProcessDocument.php

@@ -46,6 +46,9 @@ class ProcessDocument extends Api
             ->where($map)
             ->where('b.BOM_产出单位',['eq','张'],['eq','吨'],'or')
             ->select();
+        if(empty($info)){
+            $this->success('请求成功');
+        }
         $res =array();
         $product_number = '';
         if (count($info) > 1){