diff --git a/src/app/working-area/working-area.component.ts b/src/app/working-area/working-area.component.ts
index ceaf3cd..f0cccd3 100644
--- a/src/app/working-area/working-area.component.ts
+++ b/src/app/working-area/working-area.component.ts
@@ -88,15 +88,15 @@ export class WorkingAreaComponent extends EventEmitter implements OnInit, AfterV
 
       }
     });
-    // 测试代码
-    this.eventManager.addGlobalEventListener('window', 'keypress', (event: any) => {
-      if (event.keyCode === 97) {
-        this.copy();
-      }
-      if (event.keyCode === 115) {
-        this.paste('1', '2', '3');
-      }
-    });
+    // // 测试代码
+    // this.eventManager.addGlobalEventListener('window', 'keypress', (event: any) => {
+    //   if (event.keyCode === 97) {
+    //     this.copy();
+    //   }
+    //   if (event.keyCode === 115) {
+    //     this.paste('1', '2', '3');
+    //   }
+    // });
   }
 
   ngAfterViewInit(): void {
@@ -256,6 +256,14 @@ export class WorkingAreaComponent extends EventEmitter implements OnInit, AfterV
       }
     });
   }
+  /**
+   *
+   * @param id 图标ID
+   * @param b 显示/隐藏
+   */
+  public setIconVisible(id: string, b: boolean) {
+    this.backgroundImage.getChildByName(id).visible = b;
+  }
   /**
    * 版本检查
    */