diff --git a/src/Editor/SelectControls.ts b/src/Editor/SelectControls.ts
index 7f350c81c..08e2ab8ef 100644
--- a/src/Editor/SelectControls.ts
+++ b/src/Editor/SelectControls.ts
@@ -31,7 +31,7 @@ export class SelectControls implements EditorService
     private m_SelectCss: SelectMarquee;
     private m_Editor: Editor;
     private m_Viewer: Viewer;
-    private m_SelectSet: SelectSet = new SelectSet();
+    private m_SelectSet: SelectSet = new SelectSet(true);
     m_Filter: Filter;
     private m_SelectType: SelectType = SelectType.None;
     private m_FirstPickPoint: Vector3;
@@ -210,7 +210,7 @@ export class SelectControls implements EditorService
     Cancel()
     {
         this.RestState();
-        this.m_SelectSet = new SelectSet();
+        this.m_SelectSet = new SelectSet(true);
         this.UpdateView();
 
         this.CanenEvent();
diff --git a/src/Editor/SelectSet.ts b/src/Editor/SelectSet.ts
index f0f3cebe8..a3111ebff 100644
--- a/src/Editor/SelectSet.ts
+++ b/src/Editor/SelectSet.ts
@@ -1,4 +1,3 @@
-import * as THREE from 'three';
 import { arrayRemoveOnce } from '../Common/ArrayExt';
 import { GetEntity, IsEntity, log } from '../Common/Utils';
 import { Entity } from '../DatabaseServices/Entity';
@@ -8,14 +7,9 @@ import { CheckFilter, Filter } from './SelectFilter';
 //选择集.
 export class SelectSet
 {
-    constructor()
-    {
-
-    }
+    constructor(private showLog = false) { }
     /**
      * 选择数据
-     *
-     * @memberof SelectSet
      */
     private m_SelectSetList = new Array<SelectSetBase>();
     private m_IdSelect = new Map<number, SelectSetBase>();
@@ -27,7 +21,9 @@ export class SelectSet
         selectData.m_SelectList = selectData.m_SelectList.filter(obj => !this.m_IdSelect.has(obj.id))
 
         let dupCount = selectCount - selectData.m_SelectList.length;
-        log(`选择${selectCount}个,重复${dupCount}个.`);
+
+        if (this.showLog)
+            log(`选择${selectCount}个,重复${dupCount}个.`);
 
         //加入集合
         this.m_SelectSetList.push(selectData);
@@ -50,6 +46,12 @@ export class SelectSet
         }
     }
 
+    Clear()
+    {
+        this.m_SelectSetList.length = 0;
+        this.m_IdSelect.clear();
+    }
+
     get SelectSetList()
     {
         return this.m_SelectSetList;