diff --git a/src/app/system-management/analysis-of-the-host/analysis-of-the-host.component.ts b/src/app/system-management/analysis-of-the-host/analysis-of-the-host.component.ts
index 3738f00..2ea2c2f 100644
--- a/src/app/system-management/analysis-of-the-host/analysis-of-the-host.component.ts
+++ b/src/app/system-management/analysis-of-the-host/analysis-of-the-host.component.ts
@@ -42,6 +42,7 @@ export class AnalysisOfTheHostComponent implements OnInit {
         element.selectable = false
       });
       this.nodes = [...this.toTree.toTree(data.result.items)]
+      this.defaultExpandedKeys = [this.nodes[0].id]
       this.defaultExpandedKeys = [...this.defaultExpandedKeys]
     })
   }
diff --git a/src/app/system-management/organization/organization.component.html b/src/app/system-management/organization/organization.component.html
index 44c77bf..855ab28 100644
--- a/src/app/system-management/organization/organization.component.html
+++ b/src/app/system-management/organization/organization.component.html
@@ -37,7 +37,8 @@
       <span class="operation">
         <span (click)="addOr(node)" *ngIf="!node.origin.isGasStation">新增</span>
         <span (click)="editOr(node)">编辑</span>
-        <span (click)="deleteOr(node)">删除</span>
+        <span [ngClass]="{'grey':node.origin.children && node.origin.children.length != 0}"
+          (click)="deleteOr(node)">删除</span>
       </span>
     </div>
   </ng-template>
diff --git a/src/app/system-management/organization/organization.component.scss b/src/app/system-management/organization/organization.component.scss
index a365d13..78d652b 100644
--- a/src/app/system-management/organization/organization.component.scss
+++ b/src/app/system-management/organization/organization.component.scss
@@ -68,11 +68,12 @@
   }
 
   span:nth-child(1),
-  span:nth-child(2) {
+  span:nth-child(2),
+  span:nth-child(3) {
     color: #2399FF;
   }
 
-  span:nth-child(3) {
-    color: rgba(0, 13, 33, 0.48);
+  .grey{
+    color: rgba(0, 13, 33, 0.48)!important;
   }
 }
diff --git a/src/app/system-management/organization/organization.component.ts b/src/app/system-management/organization/organization.component.ts
index 318ff82..9deaf31 100644
--- a/src/app/system-management/organization/organization.component.ts
+++ b/src/app/system-management/organization/organization.component.ts
@@ -57,6 +57,7 @@ export class OrganizationComponent implements OnInit {
       });
       this.allOrList = data.result.items
       this.nodes = [...this.toTree.toTree(data.result.items)]
+      this.defaultExpandedKeys = [this.nodes[0].id]
       this.defaultExpandedKeys = [...this.defaultExpandedKeys]
     })
   }