diff --git a/src/assets/styles/variables.scss b/src/assets/styles/variables.scss
index 032ba1b..b007531 100644
--- a/src/assets/styles/variables.scss
+++ b/src/assets/styles/variables.scss
@@ -36,7 +36,7 @@ $base-sub-menu-background:#000c17;
 $base-sub-menu-hover:#001528;
 */
 
-$base-sidebar-width: 250px;
+$base-sidebar-width: 320px;
 
 // the :export directive is the magic sauce for webpack
 // https://www.bluematador.com/blog/how-to-share-variables-between-js-and-sass
diff --git a/src/views/archivesManagement/archClass/archCatalogue/components/leftTree.vue b/src/views/archivesManagement/archClass/archCatalogue/components/leftTree.vue
index 76a2588..0905143 100644
--- a/src/views/archivesManagement/archClass/archCatalogue/components/leftTree.vue
+++ b/src/views/archivesManagement/archClass/archCatalogue/components/leftTree.vue
@@ -280,6 +280,7 @@ export default {
     white-space: normal; /* 允许换行 */
     word-break: break-word; /* 长词断行 */
     line-height: 20px;
+    font-size: 14px;
 }
 
 /* 使行容器自适应高度并顶对齐，兼容多行文本 */
diff --git a/src/views/archivesManagement/fileManager/components/leftTree.vue b/src/views/archivesManagement/fileManager/components/leftTree.vue
index e9164c1..3ea48b3 100644
--- a/src/views/archivesManagement/fileManager/components/leftTree.vue
+++ b/src/views/archivesManagement/fileManager/components/leftTree.vue
@@ -278,6 +278,7 @@ export default {
     width: 100%;
     min-height: 20px;
     padding: 1px 0;
+    font-size: 14px;
 }
 
 .node-label {