diff --git a/packages/fes-core/src/views/styles/layout.scss b/packages/fes-core/src/views/styles/layout.scss
index 07196b60..ef032de3 100644
--- a/packages/fes-core/src/views/styles/layout.scss
+++ b/packages/fes-core/src/views/styles/layout.scss
@@ -13,6 +13,11 @@ $dark-color: rgba(255, 255, 255, 0.65);
 $dark-selected-bg: rgb(24, 144, 255);
 $dark-selected-color: #ffffff;
 
+html, body {
+  width: 100%;
+  height: 100%;
+}
+
 .layout {
   position: absolute;
   left: 0;
diff --git a/packages/fes-ui/src/components/tree/tree.vue b/packages/fes-ui/src/components/tree/tree.vue
index bfe66dec..5adf7657 100644
--- a/packages/fes-ui/src/components/tree/tree.vue
+++ b/packages/fes-ui/src/components/tree/tree.vue
@@ -173,8 +173,8 @@ export default {
                 }
             } else {
                 // 只是子节点，选中的则默认选中
-                this.$set(obj, 'checked', node.checked || false);
-                this.$set(obj, 'childrenCheckedStatus', node.checked ? '2' : '0');
+                this.$set(obj, 'checked', node.selected || false);
+                this.$set(obj, 'childrenCheckedStatus', node.selected ? '2' : '0');
                 if (obj.selected) {
                     this.selectedNode = obj;
                 }