diff --git a/packages/grid/AppBuildManage/components/List.vue b/packages/grid/AppBuildManage/components/List.vue
index e12ca3ec..d3d90f90 100644
--- a/packages/grid/AppBuildManage/components/List.vue
+++ b/packages/grid/AppBuildManage/components/List.vue
@@ -303,6 +303,7 @@ export default {
 
     .is-current > .el-tree-node__content {
       background: #2266ff;
+      min-width: 100%;
 
       &:hover {
         background: #2266ff;