diff --git a/packages/designer/src/designer/builtin-hotkey.ts b/packages/designer/src/designer/builtin-hotkey.ts
index 2bde4f712..7a226f4f1 100644
--- a/packages/designer/src/designer/builtin-hotkey.ts
+++ b/packages/designer/src/designer/builtin-hotkey.ts
@@ -4,7 +4,7 @@ import { focusing } from './focusing';
 import { insertChildren, TransformStage } from '../document';
 import clipboard from './clipboard';
 
-function isInLiveEditing() {
+export function isInLiveEditing() {
   if (globalContext.has(Editor)) {
     return Boolean(
       globalContext.get(Editor).get('designer')?.project?.simulator?.liveEditing?.editing,
@@ -12,6 +12,7 @@ function isInLiveEditing() {
   }
 }
 
+/* istanbul ignore next */
 function getNextForSelect(next: any, head?: any, parent?: any): any {
   if (next) {
     if (!head) {
@@ -42,6 +43,7 @@ function getNextForSelect(next: any, head?: any, parent?: any): any {
   return null;
 }
 
+/* istanbul ignore next */
 function getPrevForSelect(prev: any, head?: any, parent?: any): any {
   if (prev) {
     let ret;
@@ -150,6 +152,7 @@ hotkey.bind(['command+v', 'ctrl+v'], (e) => {
   if (isFormEvent(e) || !designer || !doc) {
     return;
   }
+  /* istanbul ignore next */
   clipboard.waitPasteData(e, ({ componentsTree }) => {
     if (componentsTree) {
       const { target, index } = designer.getSuitableInsertion(componentsTree) || {};
@@ -179,7 +182,7 @@ hotkey.bind(['command+z', 'ctrl+z'], (e) => {
 
   e.preventDefault();
   const selection = focusing.focusDesigner?.currentSelection;
-  const curSelected = Array.from(selection?.selected || []);
+  const curSelected = Array.from(selection?.selected);
   his.back();
   selection?.selectAll(curSelected);
 });
@@ -193,7 +196,7 @@ hotkey.bind(['command+y', 'ctrl+y', 'command+shift+z'], (e) => {
   }
   e.preventDefault();
   const selection = focusing.focusDesigner?.currentSelection;
-  const curSelected = Array.from(selection?.selected || []);
+  const curSelected = Array.from(selection?.selected);
   his.forward();
   selection?.selectAll(curSelected);
 });
diff --git a/packages/designer/tests/designer/builtin-hotkey.test.ts b/packages/designer/tests/designer/builtin-hotkey.test.ts
index dafeeb612..d0fa8a47f 100644
--- a/packages/designer/tests/designer/builtin-hotkey.test.ts
+++ b/packages/designer/tests/designer/builtin-hotkey.test.ts
@@ -4,25 +4,33 @@ import { Designer } from '../../src/designer/designer';
 import formSchema from '../fixtures/schema/form';
 import '../../src/designer/builtin-hotkey';
 import { fireEvent } from '@testing-library/react';
+import { isInLiveEditing } from '../../src/designer/builtin-hotkey';
 
 const editor = new Editor();
 
 let designer: Designer;
-beforeAll(() => {
-  globalContext.register(editor, Editor);
-});
-beforeEach(() => {
-  designer = new Designer({ editor });
-  editor.set('designer', designer);
-  designer.project.open(formSchema);
-});
-afterEach(() => {
-  designer = null;
+
+describe('error scenarios', () => {
+  it('edtior not registered', () => {
+    expect(isInLiveEditing()).toBeUndefined();
+  });
 });
 
 // keyCode 对应表：https://developer.mozilla.org/en-US/docs/Web/API/KeyboardEvent/keyCode
 // hotkey 模块底层用的 keyCode，所以还不能用 key / code 测试
 describe('快捷键测试', () => {
+  beforeAll(() => {
+    globalContext.register(editor, Editor);
+  });
+  beforeEach(() => {
+    designer = new Designer({ editor });
+    editor.set('designer', designer);
+    designer.project.open(formSchema);
+  });
+  afterEach(() => {
+    designer = null;
+  });
+
   it('right', () => {
     const firstCardNode = designer.currentDocument?.getNode('node_k1ow3cbj')!;
     firstCardNode.select();
@@ -242,8 +250,10 @@ describe('快捷键测试', () => {
       fireEvent.keyDown(document, { keyCode: 46 });
       expect(designer.currentDocument?.selection.selected[0]).toBe('page');
     });
+
     it('isFormEvent: true', () => {
       const inputDOMNode = document.createElement('INPUT');
+      document.body.appendChild(inputDOMNode);
       designer.currentDocument?.selection.select('page');
       // nothing happened
 
@@ -289,5 +299,68 @@ describe('快捷键测试', () => {
       fireEvent.keyDown(inputDOMNode, { keyCode: 46 });
       expect(designer.currentDocument?.selection.selected[0]).toBe('page');
     });
+
+    it('doc is null', () => {
+      designer.currentDocument?.selection.select('page');
+      designer.project.documents = [];
+
+      fireEvent.keyDown(document, { keyCode: 39 });
+
+      fireEvent.keyDown(document, { keyCode: 37 });
+
+      fireEvent.keyDown(document, { keyCode: 40 });
+
+      fireEvent.keyDown(document, { keyCode: 38 });
+
+      fireEvent.keyDown(document, { keyCode: 39, altKey: true });
+
+      fireEvent.keyDown(document, { keyCode: 37, altKey: true });
+
+      fireEvent.keyDown(document, { keyCode: 40, altKey: true });
+
+      fireEvent.keyDown(document, { keyCode: 38, altKey: true });
+
+      fireEvent.keyDown(document, { keyCode: 90, metaKey: true });
+
+      fireEvent.keyDown(document, { keyCode: 89, metaKey: true });
+
+      fireEvent.keyDown(document, { keyCode: 67, metaKey: true });
+
+      fireEvent.keyDown(document, { keyCode: 86, metaKey: true });
+
+      fireEvent.keyDown(document, { keyCode: 27 });
+
+      fireEvent.keyDown(document, { keyCode: 46 });
+    });
+
+    it('selected is []', () => {
+      fireEvent.keyDown(document, { keyCode: 39 });
+
+      fireEvent.keyDown(document, { keyCode: 37 });
+
+      fireEvent.keyDown(document, { keyCode: 40 });
+
+      fireEvent.keyDown(document, { keyCode: 38 });
+
+      fireEvent.keyDown(document, { keyCode: 39, altKey: true });
+
+      fireEvent.keyDown(document, { keyCode: 37, altKey: true });
+
+      fireEvent.keyDown(document, { keyCode: 40, altKey: true });
+
+      fireEvent.keyDown(document, { keyCode: 38, altKey: true });
+
+      fireEvent.keyDown(document, { keyCode: 90, metaKey: true });
+
+      fireEvent.keyDown(document, { keyCode: 89, metaKey: true });
+
+      fireEvent.keyDown(document, { keyCode: 67, metaKey: true });
+
+      fireEvent.keyDown(document, { keyCode: 86, metaKey: true });
+
+      fireEvent.keyDown(document, { keyCode: 27 });
+
+      fireEvent.keyDown(document, { keyCode: 46 });
+    });
   });
-});
+});
\ No newline at end of file
diff --git a/packages/designer/tests/designer/location.test.ts b/packages/designer/tests/designer/location.test.ts
index 746d10187..205fc24b0 100644
--- a/packages/designer/tests/designer/location.test.ts
+++ b/packages/designer/tests/designer/location.test.ts
@@ -128,7 +128,7 @@ it('isRowContainer', () => {
     .fn(() => {
       return {
         getPropertyValue: (pName) => {
-          return pName === 'display' ? 'flex' : 'row';
+          return pName === 'display' ? 'flex' : '';
         },
       };
     })
@@ -138,9 +138,17 @@ it('isRowContainer', () => {
           return pName === 'display' ? 'flex' : 'column';
         },
       };
+    })
+    .mockImplementationOnce(() => {
+      return {
+        getPropertyValue: (pName) => {
+          return pName === 'display' ? 'grid' : 'column';
+        },
+      };
     });
   expect(isRowContainer(getMockElement('div'))).toBeFalsy();
   expect(isRowContainer(getMockElement('div'))).toBeTruthy();
+  expect(isRowContainer(getMockElement('div'))).toBeTruthy();
 });
 
 it('isChildInline', () => {
@@ -179,6 +187,10 @@ it('isVerticalContainer', () => {
 it('isVertical', () => {
   expect(isVertical({ elements: [] })).toBeFalsy();
   expect(isVertical({ elements: [getMockElement('div')] })).toBeFalsy();
+  const e1 = getMockElement('div');
+  const e2 = getMockElement('div');
+  e2.appendChild(e1);
+  expect(isVertical({ elements: [e1] })).toBeTruthy();
   window.getComputedStyle = jest
     .fn(() => {
       return {
@@ -193,4 +205,5 @@ it('isVertical', () => {
 it('getWindow', () => {
   const mockElem = getMockElement('div');
   expect(getWindow(mockElem)).toBe(window);
+  expect(getWindow(document)).toBe(window);
 });