diff --git a/src/App.vue b/src/App.vue
index 736ec1fe..dacdbc5a 100644
--- a/src/App.vue
+++ b/src/App.vue
@@ -195,3 +195,9 @@
     const { setAsideWidth } = appearanceStore;
     const { asideWidth, isSideBarTabShow } = storeToRefs(appearanceStore);
 </script>
+
+<style lang="scss" scoped>
+    :deep(.el-splitter-bar__dragger) {
+        width: 4px !important;
+    }
+</style>