diff --git a/problems/0189.旋转数组.md b/problems/0189.旋转数组.md
index 3ffed877..23092f9c 100644
--- a/problems/0189.旋转数组.md
+++ b/problems/0189.旋转数组.md
@@ -7,6 +7,8 @@
 
 # 189. 旋转数组
 
+[力扣题目链接](https://leetcode.cn/problems/rotate-array/)
+
 给定一个数组，将数组中的元素向右移动 k 个位置，其中 k 是非负数。
 
 进阶：
@@ -160,6 +162,27 @@ var rotate = function (nums, k) {
 };
 ```
 
+## TypeScript
+
+```typescript
+function rotate(nums: number[], k: number): void {
+    const length: number = nums.length;
+    k %= length;
+    reverseByRange(nums, 0, length - 1);
+    reverseByRange(nums, 0, k - 1);
+    reverseByRange(nums, k, length - 1);
+};
+function reverseByRange(nums: number[], left: number, right: number): void {
+    while (left < right) {
+        const temp = nums[left];
+        nums[left] = nums[right];
+        nums[right] = temp;
+        left++;
+        right--;
+    }
+}
+```
+
 
 
 -----------------------