updates

src/pages/tips/learningTips.vue

 <template>
   <div>
-    <learning-tips-off-line></learning-tips-off-line>
-    <!-- <learning-tips-on-line v-else></learning-tips-on-line> -->
+    <learning-tips-off-line v-if="isOffline"></learning-tips-off-line>
+    <learning-tips-on-line v-else></learning-tips-on-line>
   </div>
 </template>