diff --git a/frontend/index.html b/frontend/index.html
index 32605f2..b960761 100644
--- a/frontend/index.html
+++ b/frontend/index.html
@@ -3,7 +3,7 @@
   <head>
     <meta charset="UTF-8" />
     <meta name="viewport" content="width=device-width, initial-scale=1.0" />
-    <title>DataMate</title>
+    <title>DataBuilder知识应用管理系统</title>
   </head>
   <body>
     <div id="root"></div>
diff --git a/frontend/public/lsf/lsf.html b/frontend/public/lsf/lsf.html
index 056db0a..80c90bd 100644
--- a/frontend/public/lsf/lsf.html
+++ b/frontend/public/lsf/lsf.html
@@ -3,7 +3,7 @@
   <head>
     <meta charset="UTF-8" />
     <meta name="viewport" content="width=device-width, initial-scale=1.0" />
-    <title>DataMate - 数据标注</title>
+    <title>DataBuilder知识应用管理系统 - 数据标注</title>
     <style>
       :root {
         --ls-font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji";
diff --git a/frontend/src/pages/Layout/Sidebar.tsx b/frontend/src/pages/Layout/Sidebar.tsx
index 50af157..e8ce3b7 100644
--- a/frontend/src/pages/Layout/Sidebar.tsx
+++ b/frontend/src/pages/Layout/Sidebar.tsx
@@ -77,7 +77,7 @@ const AsiderAndHeaderLayout = () => {
             <div className="w-8 h-8 bg-gradient-to-br from-blue-500 to-indigo-600 rounded-lg flex items-center justify-center">
               <Sparkles className="w-5 h-5 text-white" />
             </div>
-            <span className="text-lg font-bold text-gray-900">DataMate</span>
+            <span className="text-lg font-bold text-gray-900">DataBuilder知识应用管理系统</span>
           </NavLink>
         )}
         <span
