diff --git a/uni_modules/uts-tests/utssdk/Type.uts b/uni_modules/uts-tests/utssdk/Type.uts
new file mode 100644
index 0000000000000000000000000000000000000000..1f521ea6cc3e436d3ed73edfc4d981f6d78a2558
--- /dev/null
+++ b/uni_modules/uts-tests/utssdk/Type.uts
@@ -0,0 +1,20 @@
+import { describe, test, expect, Result } from './tests.uts'
+
+export function testType() : Result {
+  return describe("Type", () => {
+    test("Object literal to type instance", () => {
+      type Person = {
+        age: number
+      }
+      const a: Person = {
+        age: 1
+      }
+      const b = {
+        age: 2
+      } as Person
+      
+      expect(a instanceof Person).toEqual(true);
+      expect(b instanceof Person).toEqual(true);
+    })
+  })
+}
\ No newline at end of file
diff --git a/uni_modules/uts-tests/utssdk/index.uts b/uni_modules/uts-tests/utssdk/index.uts
index e5faf6287c85a0ce57f48683552993087a8971b0..715fa548f376188ded38482b38208d42bd929ccd 100644
--- a/uni_modules/uts-tests/utssdk/index.uts
+++ b/uni_modules/uts-tests/utssdk/index.uts
@@ -10,8 +10,9 @@ import { testSet } from './Set.uts'
 import { testOperators } from './Operators.uts'
 import { testMath } from './Math.uts'
 import { testRegExp } from './RegExp.uts'
-import { testForLoop } from './ForLoop.uts'
+import { testForLoop } from './ForLoop.uts'
 import { testGlobal } from './Global.uts'
+import { testType } from './Type.uts'
 export { Result } from './tests.uts'
 
 // Promise、Proxy、Reflect、Weakmap、WeakSet 不支持
@@ -28,8 +29,9 @@ export function runTests() : UTSJSONObject {
   const MathRes = testMath();
   const RegExpRes = testRegExp();
   const KeyWordRes = testKeyWord();
-  const ForLoopRes = testForLoop();
+  const ForLoopRes = testForLoop();
   const GlobalRes = testGlobal();
+  const TypeRes = testType();
 
   return {
     Array: ArrayRes,
@@ -44,7 +46,8 @@ export function runTests() : UTSJSONObject {
     Math: MathRes,
     RegExp: RegExpRes,
     KeyWord: KeyWordRes,
-    ForLoop: ForLoopRes,
-	Global: GlobalRes,
+    ForLoop: ForLoopRes,
+    Global: GlobalRes,
+    Type: TypeRes
   }
 }
\ No newline at end of file