diff --git a/ruoyi-ui/src/assets/styles/index.scss b/ruoyi-ui/src/assets/styles/index.scss
index bb87292..240f7d4 100644
--- a/ruoyi-ui/src/assets/styles/index.scss
+++ b/ruoyi-ui/src/assets/styles/index.scss
@@ -176,3 +176,20 @@ aside {
     margin-bottom: 10px;
   }
 }
+
+// 固定导航栏
+.fixed-header {
+  position: fixed;
+  top: 0;
+  right: 0;
+  // left: 0; 
+  width: 100%;
+  z-index: 999;
+  box-shadow: 0 1px 4px rgba(0, 21, 41, 0.08);
+}
+
+// 调整内容区域位置（防止被导航栏遮挡）
+.app-main {
+  padding-top: 50px; // 根据导航栏实际高度调整
+  min-height: calc(100vh - 50px); // 保持高度正确
+}
\ No newline at end of file
diff --git a/ruoyi-ui/src/layout/components/Navbar.vue b/ruoyi-ui/src/layout/components/Navbar.vue
index 5e37e98..01b961b 100644
--- a/ruoyi-ui/src/layout/components/Navbar.vue
+++ b/ruoyi-ui/src/layout/components/Navbar.vue
@@ -1,5 +1,5 @@
 <template>
-  <div class="navbar">
+  <div class="navbar fixed-header">
     <hamburger id="hamburger-container" :is-active="sidebar.opened" class="hamburger-container" @toggleClick="toggleSideBar" />
 
     <breadcrumb v-if="!topNav" id="breadcrumb-container" class="breadcrumb-container" />