diff --git a/src/components/BookListPage.vue b/src/components/BookListPage.vue
index 20936f8..5a01fe4 100644
--- a/src/components/BookListPage.vue
+++ b/src/components/BookListPage.vue
@@ -105,7 +105,7 @@ async function removeBook(book: BookSummary): Promise<void> {
 <template>
   <div class="book-list-page app-page">
     <div class="app-page-header">
-      <h1>教学设计</h1>
+      <h1>教学设计生成器<span class="page-subtitle">真亦假时假亦真</span></h1>
       <div class="app-page-actions">
         <button v-if="user?.role === 'admin'" class="ui-button" type="button" @click="emit('admin')">
           用户管理
diff --git a/src/style.css b/src/style.css
index a04ff7b..7e5b742 100644
--- a/src/style.css
+++ b/src/style.css
@@ -349,6 +349,15 @@ input {
   color: var(--green-700);
 }
 
+.page-subtitle {
+  font-size: 13px;
+  font-weight: 400;
+  color: var(--green-600);
+  margin-left: 10px;
+  letter-spacing: 0.05em;
+  vertical-align: middle;
+}
+
 .section-heading {
   margin: 12px 0 0;
   padding-left: 10px;