diff --git a/blog/assets/css/common.css b/blog/assets/css/common.css
index f60d2de..5b8d9f3 100644
--- a/blog/assets/css/common.css
+++ b/blog/assets/css/common.css
@@ -1061,3 +1061,6 @@ ins.adsbygoogle[data-ad-status='unfilled'] {
 .blog-tweet-img-swiper-body.video-playing .swiper-pagination {
   display: none;
 }
+.system-ui-font {
+  font-family: 'system-ui';
+}
diff --git a/blog/components/PostListFilterBtn.vue b/blog/components/PostListFilterBtn.vue
index 7e7731a..d169011 100644
--- a/blog/components/PostListFilterBtn.vue
+++ b/blog/components/PostListFilterBtn.vue
@@ -4,8 +4,12 @@
       class="common-right-tool-btn opacity-70 text-white hover:opacity-100"
       @click="onClick"
     >
-      <span v-if="postRouteType === 'blog'" class="text-sm">博</span>
-      <span v-else-if="postRouteType === 'tweet'" class="text-sm">推</span>
+      <span v-if="postRouteType === 'blog'" class="text-sm system-ui-font"
+        >博</span
+      >
+      <span v-else-if="postRouteType === 'tweet'" class="text-sm system-ui-font"
+        >推</span
+      >
       <UIcon name="i-heroicons-adjustments-horizontal" v-else />
     </div>
   </transition>