diff --git a/.github/release.md b/.github/release.md
index 756cf68..363d3fb 100644
--- a/.github/release.md
+++ b/.github/release.md
@@ -2,4 +2,5 @@
 
 #### 更符合 GitHub 风格
 
-- 增加克隆协议选择按钮样式
\ No newline at end of file
+- 仓库代码页侧边栏宽度调整
+- 下拉菜单分割线调整
\ No newline at end of file
diff --git a/src/dropdown.scss b/src/dropdown.scss
index f3a4147..b0e7f55 100644
--- a/src/dropdown.scss
+++ b/src/dropdown.scss
@@ -45,7 +45,7 @@
       }
 
       &.active:after {
-        content: "";
+        content: '';
         display: block;
         position: absolute;
         bottom: -8px;
@@ -147,6 +147,16 @@
   }
 }
 
+// 下拉菜单分隔线
+.ui.dropdown .menu > .divider {
+  border: 0;
+  height: 1px;
+  background-color: #3d444db3;
+  margin-top: calc(7px);
+  margin-bottom: 8px;
+  list-style: none;
+}
+
 .ui.dropdown.branch-selector-dropdown > .visible.menu {
   // 仓库分支列表下查看操作按钮
   > .item {
diff --git a/src/repo.scss b/src/repo.scss
index bf4a903..9f7f526 100644
--- a/src/repo.scss
+++ b/src/repo.scss
@@ -108,7 +108,7 @@
     }
   }
 
-  // clone 按钮居中调整
+  // clone 按钮调整
   .repo-button-row .repo-button-row-right .ui.primary.button span {
     margin: 0px 3px;
   }
@@ -182,6 +182,11 @@
   }
 }
 
+// 仓库代码布局调整, 侧边栏宽度调整
+.repo-grid-filelist-sidebar {
+  grid-template-columns: auto 296px;
+}
+
 // 仓库代码页面侧边栏
 .page-content.repository {
   .repo-home-sidebar-top {