提供正确的另存为命令

src/UI/Components/TopToolBar/TopToolBar.tsx

@@ -22,7 +22,7 @@ export class TopToolBar extends React.Component<{}, {}>
         store.iconList.file = [
             { svg: IconEnum.New, title: "新建", command: "NEW" },
             { svg: IconEnum.Save, title: "保存", command: "SAVE" },
-            { svg: IconEnum.SaveAs, title: "另存为", command: "" },
+            { svg: IconEnum.SaveAs, title: "另存为", command: "SAVEAS" },
             { svg: IconEnum.Cancel, title: "撤销", command: "U" },
             { svg: IconEnum.Undo, title: "重做", command: "REDO" },
             { svg: IconEnum.Open, title: "打开", command: "OPEN" },