app/components/JinshenHeader.vue

@@ -44,7 +44,16 @@
         type="info"
         @click="navigateTo(localePath('/search'))"
       >
-        <el-icon class="action-icon"><ElIconSearch /></el-icon>
+        <el-icon class="mdi mdi-magnify action-icon" />
+      </el-link>
+
+      <el-link
+        type="info"
+        :underline="false"
+        href="http://cal.jinshen.cn"
+        target="_blank"
+      >
+        <el-icon class="mdi mdi-calculator action-icon" />
       </el-link>
 
       <el-dropdown @command="setLocale">