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src/views/courseView.vue

@@ -14,7 +14,7 @@
         {{ name }}
       </div>
     </div>
-    <div class="content" :class="[type?'content-top':'']">
+    <div class="content" id="content-scroll" :class="[type?'content-top':'']">
       <div
         id="content-tree"
         :class="[fullTree ? 'content-tree-full' : 'content-tree']"
@@ -262,7 +262,7 @@ export default {
         _this.fullTree = false;
         document.getElementById("content-tree").style.display = "none";
       }
-      scrollTo(0, 0);
+      document.getElementById("content-scroll").scrollTop = 0
     },
     // 点击全屏展示 隐藏tree
     fullScreen() {