fix reward load

pages/video/detail.js

@@ -70,6 +70,7 @@ Page({
       });
     }
     this.interstitalLoad();
+    this.rewardVideoLoad();
     this.loadVideoDetail(videoId);
     app.globalData.isEnterVideoDetail = true;
   },
@@ -418,7 +419,6 @@ Page({
         },
       });
     } else {
-      this.rewardVideoLoad();
       wx.showModal({
         title: "提示",
         content: "当前视频需要看完完整广告后才能解锁",