:twisted_rightwards_arrows: merge branch 'dev_base' into dev_training

src/stage/index/scene/LessonScene.js

@@ -235,12 +235,16 @@ class LessonScene extends scene {
     			if (list && list.length >= 1) {
     				playUrl = Utils.videoUrlFormat(list[0].url);
     			}
+                let playText = '播放';
+                if (this.videoPlayer && this.videoPlayer.playStatus()) {
+                    playText = '暂停';
+                }
     			let videoViewDom =
                 `
                   <div id="view-full-screen" fe-role="Widget" class="view-full-screen-video">
                   </div>
                   <div id="view-video-start" fe-role="Widget">
-                    <div class="transparent-btn">${this.videoPlayer.playStatus() ? "暂停" : "播放"}</div>
+                    <div class="transparent-btn">${playText}</div>
                   </div>
                 `;
     			document.getElementById('view-bottom').innerHTML = videoViewDom;