add

src/views/index.vue

@@ -231,12 +231,12 @@
               <div class="card-icon"><i class="el-icon-video-play"></i></div>
               <div class="card-content">
                 <div class="card-row">
-                  <span>观看次数</span>
+                  <span>观看课数</span>
                   <span class="highlight">
                     <count-to :start-val="0" :end-val="watchCount" :duration="3600" class="card-panel-num" /></span>
                 </div>
                 <div class="card-row">
-                  <span>完播次数</span>
+                  <span>完播课数</span>
                   <span class="highlight">
                     <count-to :start-val="0" :end-val="completedCount" :duration="3600" class="card-panel-num" />
                   </span>