diff --git a/packages/designer/jest.config.js b/packages/designer/jest.config.js
index f381a3c6b..499d0019b 100644
--- a/packages/designer/jest.config.js
+++ b/packages/designer/jest.config.js
@@ -4,7 +4,7 @@ module.exports = {
   //   // '^.+\\.(ts|tsx)$': 'ts-jest',
   //   // '^.+\\.(js|jsx)$': 'babel-jest',
   // },
-  // testMatch: ['**/bugs/*.test.ts'],
+  // testMatch: ['**/designer/designer.test.ts'],
   // testMatch: ['(/tests?/.*(test))\\.[jt]s$'],
   transformIgnorePatterns: [
   ],
@@ -23,6 +23,7 @@ module.exports = {
     '!src/builtin-simulator/live-editing/live-editing.ts',
     '!src/designer/offset-observer.ts',
     '!src/designer/clipboard.ts',
+    '!src/builtin-simulator/host.ts',
     '!**/node_modules/**',
     '!**/vendor/**',
   ],
diff --git a/packages/designer/tests/designer/designer.test.ts b/packages/designer/tests/designer/designer.test.ts
index e67b3e196..23c0db7f4 100644
--- a/packages/designer/tests/designer/designer.test.ts
+++ b/packages/designer/tests/designer/designer.test.ts
@@ -87,6 +87,7 @@ describe('Designer 测试', () => {
       function setMockDropLocation() {
         const mockTarget = {
           document: doc,
+          isSlot() { return true; },
           children: {
             get(x) {
               return x;
@@ -155,6 +156,7 @@ describe('Designer 测试', () => {
       function setMockDropLocation() {
         const mockTarget = {
           document: doc,
+          isSlot() { return true; },
           children: {
             get(x) {
               return x;
@@ -310,6 +312,7 @@ describe('Designer 测试', () => {
   it('createLocation / clearLocation', () => {
     const mockTarget = {
       document: doc,
+      isSlot() { return true; },
       children: {
         get(x) {
           return x;
@@ -334,6 +337,7 @@ describe('Designer 测试', () => {
     designer.createLocation({
       target: {
         document: doc2,
+        isSlot() { return true; },
         children: {
           get(x) {
             return x;