diff --git a/packages/designer/src/builtin-simulator/utils/parse-metadata.ts b/packages/designer/src/builtin-simulator/utils/parse-metadata.ts
index ca0a6071c..f958e2536 100644
--- a/packages/designer/src/builtin-simulator/utils/parse-metadata.ts
+++ b/packages/designer/src/builtin-simulator/utils/parse-metadata.ts
@@ -113,7 +113,7 @@ LowcodeTypes.exact = (typesMap: any) => {
 };
 
 // An object taking on a particular shape
-LowcodeTypes.shape = (typesMap: any) => {
+LowcodeTypes.shape = (typesMap: any = {}) => {
   const configs = Object.keys(typesMap).map(key => {
     return {
       name: key,
diff --git a/packages/designer/tests/builtin-simulator/utils/parse-metadata.test.ts b/packages/designer/tests/builtin-simulator/utils/parse-metadata.test.ts
index f2f399c96..1843a2442 100644
--- a/packages/designer/tests/builtin-simulator/utils/parse-metadata.test.ts
+++ b/packages/designer/tests/builtin-simulator/utils/parse-metadata.test.ts
@@ -6,4 +6,8 @@ describe('parseMetadata', () => {
     const md1 = parseMetadata('Div');
     const md2 = parseMetadata({ componentName: 'Div' });
   });
+  it('LowcodeTypes.shape', async () => {
+    const result = (window as any).PropTypes.shape()
+    expect(result).toBeDefined();
+  });
 });