活动：新武将抽卡活动

shared/domain/activityField/refreshShopField.ts

@@ -58,11 +58,11 @@ export class RefreshShopData extends ActivityBase {
     nextRefreshTime: number;//下次刷新时间
     roundIndex: number = 1;//周期数从1开始
 
-    public findItemByProductID(productID: string) {
+    public findItemByProductID(productID: string): RefreshShopItem {
         for (let pageData of this.list) {
             let index = pageData.items.findIndex(obj => { return obj && obj.productID === productID });
             if (index != -1) {
-                this.list[index]
+                return pageData.items[index]
             }
         }
         return null;