diff --git a/app/src/renderer/src/components/Sidebar.vue b/app/src/renderer/src/components/Sidebar.vue
index 615f0cc..4bd54cd 100644
--- a/app/src/renderer/src/components/Sidebar.vue
+++ b/app/src/renderer/src/components/Sidebar.vue
@@ -54,7 +54,7 @@ function handleDelete(server) {
         <div class="sidebar-logo">F</div>
         <div>
           <div class="sidebar-title">Frost MQTT Client</div>
-          <div class="sidebar-subtitle">多服务器 MQTT 客户端</div>
+          <div class="sidebar-subtitle">多功能 MQTT 客户端</div>
         </div>
       </div>
 
diff --git a/design/index.html b/design/index.html
index d158832..8ca8300 100644
--- a/design/index.html
+++ b/design/index.html
@@ -813,7 +813,7 @@
     <div class="sidebar-logo">F</div>
     <div>
       <div class="sidebar-title">Frost MQTT Client</div>
-      <div class="sidebar-subtitle">多服务器管理客户端</div>
+      <div class="sidebar-subtitle">多功能 MQTT 客户端</div>
     </div>
   </div>