diff --git a/pages/course/courseDetail.vue b/pages/course/courseDetail.vue
index 14f28fc..3f62db9 100644
--- a/pages/course/courseDetail.vue
+++ b/pages/course/courseDetail.vue
@@ -5,9 +5,9 @@
 		<!-- <z-nav-bar :title="pageTitle ? pageTitle : '课程详情'"> -->
 		<z-nav-bar title="课程介绍"></z-nav-bar>
 		<view class="contentBox commonPageContentBox" >
-			<!-- <u-alert v-if="goBuyTitle && isAndorid" style="
+			<u-alert v-if="goBuyTitle && isAndorid" style="
           background: linear-gradient(90deg, #258feb 0%, #00e1ec 100%);
-          position: fixed; top:0;
+          position: fixed; 
           left: 0;
           width: 100%;
           z-index: 10;
@@ -25,36 +25,13 @@
 
 				<view> </view>
 			</template>
-			</u-alert> -->
+			</u-alert>
 
 			<!--  <scroll-view scroll-y="true" class="scroll-Y"> -->
 			<view class="curseImg" style="padding-top: 80rpx">
 				<image v-if="!course.image" src="/static/nobg.jpg" mode="widthFix"></image>
 				<image v-else :src="course.image" mode="widthFix"></image>
-			</view>
-			<view class="" v-if="goBuyTitle && isAndorid" style="position: relative; height:100rpx; ">
-				<u-alert v-if="goBuyTitle && isAndorid" style="
-				  background: linear-gradient(90deg, #258feb 0%, #00e1ec 100%);
-				  position: absolute; top: 0; 
-				  left: 0;
-				  width: 100%;
-				  z-index: 10;
-				" type="warning" @click="handleClickGetVip" :title="goBuyTitle" :show-icon="true"></u-alert>
-					<template slot="rightSlot" slot-scope="slotProps">
-						<text class="saveBtn vipBtn flexbox buyBtn" v-if="goBuyType == 0">
-							立即购买
-						</text>
-						<text class="flexbox" style="color: #f0f0f0" v-if="goBuyType == 1">
-							立即续费
-						</text>
-						<text class="saveBtn vipBtn flexbox" v-if="goBuyType == 2">
-							立即升级
-						</text>
-				
-						<view> </view>
-					</template>
-					</u-alert>
-			</view>
+			</view>			
 			<view class="containerBg1">
 				<view class="course_info_box">
 					<view class="course_info">
@@ -216,9 +193,9 @@
 				</view>
 				<!-- <uni-section class="mb-10" style="padding: 0 20rpx" title="" type="line"
 					v-if="librayList.length > 0 && librayList[curIndex].completion > 0"> -->
-					<!-- {{librayList[curIndex].completion}} -->
+					<!-- {{librayList[curIndex]}} -->
 					<view class="progress-box">
-						<progress :percent="librayList[curIndex].completion ? librayList[curIndex].completion : 0" show-info stroke-width="3" />
+						<progress v-if="librayList[curIndex]" :percent="librayList[curIndex].completion ? librayList[curIndex].completion : 0" show-info stroke-width="3" />
 					</view>
 				<!-- </uni-section> -->
 			</view>