diff --git a/uni_modules/uts-tests/utssdk/Array.uts b/uni_modules/uts-tests/utssdk/Array.uts
index ac76977e63ff1927571dd19e5a602307522ad81d..7789c6f7116bb918536f26ea7e258e0851fb2979 100644
--- a/uni_modules/uts-tests/utssdk/Array.uts
+++ b/uni_modules/uts-tests/utssdk/Array.uts
@@ -41,7 +41,7 @@ export function testArray(): Result {
 		})
 		
         test('length', () => {
-            const arr: string[] = ['shoes', 'shirts', 'socks', 'sweaters'];
+            const arr = ['shoes', 'shirts', 'socks', 'sweaters'];
             expect(arr.length).toEqual(4);
             expect(arr[0]).toEqual('shoes');
             expect(arr[1]).toEqual('shirts');
@@ -65,17 +65,17 @@ export function testArray(): Result {
             expect(['a', 'b', 'c'].concat(['d', 'e', 'f'])).toEqual(["a", "b", "c", "d", "e", "f"]);
             expect([1, 2, 3].concat([4, 5, 6])).toEqual([1, 2, 3, 4, 5, 6]);
             expect([''].concat([''])).toEqual(["", ""]);
-            const num1: number[] = [1, 2, 3];
-            const num2: number[] = [4, 5, 6];
-            const num3: number[] = [7, 8, 9];
+            const num1 = [1, 2, 3];
+            const num2 = [4, 5, 6];
+            const num3 = [7, 8, 9];
             const numbers = num1.concat(num2, num3);
             expect(numbers).toEqual([1, 2, 3, 4, 5, 6, 7, 8, 9]);
         })
         test("copyWithin", () => {
-            const arr: string[] =  ['a', 'b', 'c', 'd', 'e'];
+            const arr =  ['a', 'b', 'c', 'd', 'e'];
             expect(arr.copyWithin(0, 3, 4)).toEqual(["d", "b", "c", "d", "e"]);
             expect(arr.copyWithin(1, 3)).toEqual(["d", "d", "e", "d", "e"]);
-            const arr2: number[] = [1, 2, 3, 4, 5];
+            const arr2 = [1, 2, 3, 4, 5];
             expect(arr2.copyWithin(-2)).toEqual([1, 2, 3, 1, 2]);
             expect(arr2.copyWithin(-2, -3, -1)).toEqual([1, 2, 3, 3, 1]);
         })