删除多余合错内容

src/html/knowledgeTree.html

@@ -40,9 +40,9 @@
           <div class="bottom">
              <div class="tabList" id="tabList">
                 <span class="tab activeTab" data-id="diagnose">疾病</span>
-                <!-- <span  class="tab">药物</span>
-                <span  class="tab">症状</span>
-                <span  class="tab">诊疗</span> -->
+                <!-- <span  class="tab">药物</!DOCTYPE>
+                <span  class="tab">症状</!DOCTYPE>
+                <span  class="tab">诊疗</!DOCTYPE> -->
              </div>
              <div class="radioList">
                 <span class="radioItem">