更新

app-ghs/controllers/StockInController.php

@@ -137,6 +137,9 @@ class StockInController extends BaseController
             }
             $list[$key]['actPutNum'] = $actPutNum;
             $changeNum = $actPutNum - $itemNum;
+            if($changeNum>0){
+                $changeNum = '+'.$changeNum;
+            }
             $list[$key]['changeNum'] = $changeNum;
         }
         $respond = ['info' => $in, 'list' => $list];