"docs: isFirstRoll补丁注释"

src/components/custom/video.wpy

@@ -78,7 +78,7 @@
       videoPause: false,
       showPopup: false,
       videoLoading: true,
-      isFirstRole: true
+      isFirstRoll: true // 是否是首次加载。_last设置为1时，会出现首次加载的第二个视频不自动播放，设置为其他的值时会出现后续乱序的问题。此处为补丁
     },
     watch: {
       videoList (list) {
@@ -145,12 +145,12 @@
         // 一次最多只展示3个video标签，提高加载视频的速度
         const current = e.$wx.detail.current;
         const diff = current - _last;
-        if (this.isFirstRole && current === 1) {
+        if (this.isFirstRoll && current === 1) {
           this.playCurrent(1);
-          this.isFirstRole = false;
+          this.isFirstRoll = false;
         }
         if (diff === 0) return;
-        this.isFirstRole = false;
+        this.isFirstRoll = false;
         this._last = current;
         this.playCurrent(current);
         // 如果上滑的时候，当前滑动到第0元素，那么被划走，放入prevQueue是第一个元素，这个要自己画图才会更理解