diff --git a/.github/release.md b/.github/release.md
index d714aa9..fd3c536 100644
--- a/.github/release.md
+++ b/.github/release.md
@@ -6,4 +6,5 @@
 - 仓库文件列表在手机下隐藏提交信息
 - 仓库文件列表文件图标名称位置优化
 - 下拉菜单分割线优化
+- 顶部导航栏分割线优化
 - 动画效果优化
\ No newline at end of file
diff --git a/src/repo.scss b/src/repo.scss
index ed66995..7789aad 100644
--- a/src/repo.scss
+++ b/src/repo.scss
@@ -1,4 +1,8 @@
 // Made by Luting ^-^
+#navbar {
+  border-bottom-width: 1.5px;
+}
+
 .page-content > :first-child.secondary-nav {
   border-top: 0;
   background-color: var(--color-nav-bg) !important;