diff --git a/packages/compiler-sfc/__tests__/__snapshots__/compileScriptPropsTransform.spec.ts.snap b/packages/compiler-sfc/__tests__/__snapshots__/compileScriptPropsTransform.spec.ts.snap
index f85b2db9b9f..5b11ae5c1a5 100644
--- a/packages/compiler-sfc/__tests__/__snapshots__/compileScriptPropsTransform.spec.ts.snap
+++ b/packages/compiler-sfc/__tests__/__snapshots__/compileScriptPropsTransform.spec.ts.snap
@@ -80,10 +80,11 @@ exports[`sfc props transform default values w/ type declaration, prod mode 1`] =
 
 export default /*#__PURE__*/_defineComponent({
   props: {
-    foo: { type: Number, default: 1 },
-    bar: { type: Object, default: () => {} },
-    baz: { type: null },
-    bool: { type: Boolean }
+    foo: { default: 1 },
+    bar: { default: () => {} },
+    baz: null,
+    boola: { type: Boolean },
+    boolb: { type: [Boolean, Number] }
   },
   setup(__props: any) {
 
diff --git a/packages/compiler-sfc/__tests__/compileScriptPropsTransform.spec.ts b/packages/compiler-sfc/__tests__/compileScriptPropsTransform.spec.ts
index e8fc9039f55..5d406608288 100644
--- a/packages/compiler-sfc/__tests__/compileScriptPropsTransform.spec.ts
+++ b/packages/compiler-sfc/__tests__/compileScriptPropsTransform.spec.ts
@@ -83,7 +83,7 @@ describe('sfc props transform', () => {
     const { content } = compile(
       `
       <script setup lang="ts">
-      const { foo = 1, bar = {} } = defineProps<{ foo?: number, bar?: object, baz?: any, bool?: boolean }>()
+      const { foo = 1, bar = {} } = defineProps<{ foo?: number, bar?: object, baz?: any, boola?: boolean, boolb?: boolean | number }>()
       </script>
     `,
       { isProd: true }
@@ -91,10 +91,11 @@ describe('sfc props transform', () => {
     // literals can be used as-is, non-literals are always returned from a
     // function
     expect(content).toMatch(`props: {
-    foo: { type: Number, default: 1 },
-    bar: { type: Object, default: () => {} },
-    baz: { type: null },
-    bool: { type: Boolean }
+    foo: { default: 1 },
+    bar: { default: () => {} },
+    baz: null,
+    boola: { type: Boolean },
+    boolb: { type: [Boolean, Number] }
   }`)
     assertCode(content)
   })
diff --git a/packages/compiler-sfc/src/compileScript.ts b/packages/compiler-sfc/src/compileScript.ts
index 9a4ac1979f7..dcaf3848caa 100644
--- a/packages/compiler-sfc/src/compileScript.ts
+++ b/packages/compiler-sfc/src/compileScript.ts
@@ -685,21 +685,23 @@ export function compileScript(
           }
         }
 
+        const { type, required } = props[key]
         if (!isProd) {
-          const { type, required } = props[key]
           return `${key}: { type: ${toRuntimeTypeString(
             type
           )}, required: ${required}${
             defaultString ? `, ${defaultString}` : ``
           } }`
-        } else {
-          const { type } = props[key]
-          // production: checks are useless
+        } else if (type.indexOf('Boolean') > -1) {
+          // production: if boolean exists, should keep the type.
           return `${key}: { type: ${toRuntimeTypeString(
             type
           )}${
             defaultString ? `, ${defaultString}` : ``
           } }`
+        } else {
+          // production: checks are useless
+          return `${key}: ${defaultString ? `{ ${defaultString} }` : 'null'}`
         }
       })
       .join(',\n    ')}\n  }`