diff --git a/webapp/controller/InGameMallController.class.php b/webapp/controller/InGameMallController.class.php
index 5739a020..52bd59f5 100644
--- a/webapp/controller/InGameMallController.class.php
+++ b/webapp/controller/InGameMallController.class.php
@@ -126,7 +126,12 @@ class InGameMallController extends BaseAuthedController {
                             'custom_func' => function () use ($queryData) {
                                 $itemFilters = $queryData['item_filter'];
                                 $arrItemFilters = explode('|', $itemFilters);
-                                return "AND item_id IN '${arrItemFilters}'";
+                                if(count($arrItemFilters) > 1){
+                                    $strWhere = implode(',',$arrItemFilters);
+                                    return "AND item_id IN ('${strWhere}')";
+                                }else{
+                                    return "AND item_id = '${arrItemFilters}'";
+                                }
                             }
                         ),
                         array(