开发:清理代码

src/UI/Store/DownPanelStore.ts

@@ -5,14 +5,11 @@ import { app } from '../../ApplicationServices/Application';
 import { appCache } from '../../Common/AppCache';
 import { ConfigUrls } from '../../Common/HostUrl';
 import { PostJson, RequestStatus } from '../../Common/Request';
-import { Singleton } from '../../Common/Singleton';
-import { TempCADFiler } from '../../Common/TempVar';
 import { GetIndexDBID } from '../../Common/Utils';
 import { ObjectSnapMode } from '../../Editor/ObjectSnapMode';
 import { SNAPMODE } from '../../Editor/ShowSnapMenu';
 import { AxisSnapMode } from '../../Editor/SnapServices';
 import { IndexedDbStore, StoreName } from '../../IndexedDb/IndexedDbStore';
-import { AppToaster } from '../Components/Toaster';
 
 //点转换为字符串.
 function PointToString(pt: Vector3): string