Merge branch 'master' of https://git.cocorobo.cn/CocoRoboLabs/pbl-student-table

src/components/courseDetail.vue

@@ -464,7 +464,7 @@
                 v-if="Object.keys(chaptersJson.time).length"
               >
                 <div class="title">
-                  <span class="frequencyIcon">作业频率</span>
+                  <span class="frequencyIcon">活跃频率</span>
                 </div>
                 <div class="box">
                   <div>