fix: 1. 修复视频播放错误处理及优化播放体验；2.小班查看心得；3. 观看视频返回列表状态更新为已学；

pages/course/courseDetail.vue

@@ -435,7 +435,7 @@
 					</view>
 					<view class="sbmitBox">
 						<button class="submit" @click="submitSay" type="default">发 布</button>
-						<button style="background-color: #fff !important; color: ; " @click="sayclose" type="default">取
+						<button style="background-color: #fff !important;" @click="sayclose" type="default">取
 							消</button>
 					</view>
 				</view>
@@ -653,8 +653,12 @@
 			// #endif
 			await this.request()
 			
-			this.$nextTick(()=>{
-				this.getData(this.courseId);
+			this.$nextTick(async ()=>{
+				await this.getData(this.courseId);
+				this.chapterList = await this.getChapterList(this.catalogueId);
+				// if (this.librayList.length > 0 && this.curIndex !== undefined) {
+				// 	await this.clicklib(this.librayList[this.curIndex], this.curIndex);
+				// }
 			})
 		},
 		onUnload() {