视频广告多次注册事件问题

assets/llewan-weixin-sdk/ad_sdk.js

@@ -9,6 +9,7 @@ var adSdk = {
 
     bannerAd: null,
 
+    isOnce:true,
     videoAd: null,
     videoAd1: null,
     videoAd2: null,
@@ -136,7 +137,12 @@ var adSdk = {
     createRewardedVideoAd(index, videoAdUnitId1) {
         let self = this;
         if (cc.sys.platform === cc.sys.WECHAT_GAME) {
+           
             let videoAd = wx.createRewardedVideoAd({ adUnitId: videoAdUnitId1 })
+
+            if(self.isOnce)
+            {
+                self.isOnce=false;
                 videoAd.onLoad(function (res) {
                     console.log("sdk VideoAd广告加载事件：", res)
                 });
@@ -157,10 +163,16 @@ var adSdk = {
                 videoAd.onClose(closeFun1);
     
                 videoAd.onError(function (res) {
+                    wx.showToast({
+                        title: '今日视频已上限，明日再来！',
+                        icon: 'none'
+                    });
                     if (self.videoError) {
                         self.videoError();
                     }
                 });
+            }
+            
 
             if (index == 1) {
                 this.videoAd1 = videoAd;