feat: 更新tag icon

src/components/IndexSidebar.astro

@@ -1,5 +1,6 @@
 ---
 import Folder from "@/assets/icon/folder.png?url";
+import Tag from "@/assets/icon/tag.png?url";
 import type { CategoriesStats } from "@/types";
 import { createHttp } from "@/lib/request";
 const http = createHttp(Astro.request.headers);
@@ -27,7 +28,10 @@ const { data: categories } =
   </div>
 
   <div class="widget">
-    <h3 class="widget-title">🏷️ 标签云</h3>
+    <h3 class="widget-title">
+      <img src={Tag} alt="Folder" />
+      标签云
+    </h3>
     <div class="tag-cloud">
       <a class="tag" href="#">HTML</a>
       <a class="tag" href="#">CSS</a>