feat:header菜单栏

src/views/components/Header.vue

@@ -74,9 +74,15 @@
         <t-dropdown-item>
           <a @click="downloadPng">下载为PNG</a>
         </t-dropdown-item>
-        <t-dropdown-item>
+        <t-dropdown-item divider="true">
           <a @click="downloadSvg">下载为SVG</a>
         </t-dropdown-item>
+        <t-dropdown-item>
+          <a @click="switchTheme('light')">明亮主题</a>
+        </t-dropdown-item>
+        <t-dropdown-item>
+          <a @click="switchTheme('dark')">暗黑主题</a>
+        </t-dropdown-item>
       </t-dropdown-menu>
     </t-dropdown>
     <t-dropdown
@@ -142,7 +148,7 @@
       :delay2="[10, 150]"
       overlayClassName="header-dropdown"
     >
-      <a> 查看 </a>
+      <a> 工具 </a>
       <t-dropdown-menu>
         <t-dropdown-item>
           <a @click="onScaleWindow">窗口大小</a>
@@ -188,7 +194,7 @@
             </div>
           </a>
         </t-dropdown-item>
-        <t-dropdown-item divider="true">
+        <t-dropdown-item>
           <a @click="onToggleAnchor">
             <div
               class="flex"
@@ -200,12 +206,6 @@
             </div>
           </a>
         </t-dropdown-item>
-        <t-dropdown-item>
-          <a @click="switchTheme('light')">明亮主题</a>
-        </t-dropdown-item>
-        <t-dropdown-item>
-          <a @click="switchTheme('dark')">暗黑主题</a>
-        </t-dropdown-item>
       </t-dropdown-menu>
     </t-dropdown>
     <t-dropdown