diff --git a/src/views/project/ProjectManage.vue b/src/views/project/ProjectManage.vue
index 29c8cdc..822c249 100644
--- a/src/views/project/ProjectManage.vue
+++ b/src/views/project/ProjectManage.vue
@@ -40,7 +40,7 @@
 				</button>
 				<button class="searchBtn" @click="resetClick">重置</button>
 			</div>
-			<div class="projectList" v-if="projectList.length == 0" style="display:flex;color:#909399;">
+			<div class="projectList" v-if="!projectList.length" style="display:flex;color:#909399;">
 				<img class="img2" style="margin-left: 675px;margin-top: 165px;width:148px;height:220px;"
 					src="../../assets/image/notask.png" />
 			</div>
@@ -54,18 +54,16 @@
 						<div class="progress">
 							<div class="progressNow">当前进度：</div>
 							<div style="width: 115px">
-								<el-progress :percentage="parseInt(i.finishTaskNum / i.totalTaskNum) * 100" :show-text="false"
+								<el-progress :percentage="parseInt(i.finishTaskNum / i.totalTaskNum * 100)" :show-text="false"
 									:stroke-width="8" color="rgba(255, 160, 80, 1)" />
 							</div>
 							<div class="progressNum">
 								{{
-										i.finishTaskNum && i.totalTaskNum
-											? parseInt(i.finishTaskNum / i.totalTaskNum) * 100
-											: 0
+										(i.finishTaskNum && i.totalTaskNum) ? parseInt(i.finishTaskNum / i.totalTaskNum * 100) : 0
 								}}%
 							</div>
 						</div>
-						<div class="studyNew">最新一次学习时间：{{ i.lastStudyTime }}</div>
+						<div class="studyNew" v-if="i.lastStudyTime">最新一次学习时间：{{ i.lastStudyTime }}</div>
 					</div>
 				</div>
 				<div class="tobestarted" v-if="i.status == 2" @click="goProjectDetails(i)">