diff --git a/src/textarea/README.en-US.md b/src/textarea/README.en-US.md
index 3b746f05c..216e98db4 100644
--- a/src/textarea/README.en-US.md
+++ b/src/textarea/README.en-US.md
@@ -26,8 +26,8 @@ default-value | String | '' | uncontrolled property | N
 
 name | params | description
 -- | -- | --
-blur | `(value: TextareaValue)` | \-
-change | `(value: TextareaValue)` | \-
+blur | `(value: TextareaValue, cursor: number)` | \-
+change | `(value: TextareaValue, cursor: number)` | \-
 enter | `(value: TextareaValue)` | \-
 focus | `(value: TextareaValue)` | \-
 line-change | `(value: TextareaValue)` | \-
diff --git a/src/textarea/README.md b/src/textarea/README.md
index a5073df7b..673801b84 100644
--- a/src/textarea/README.md
+++ b/src/textarea/README.md
@@ -92,8 +92,8 @@ hold-keyboard | Boolean | false | focus时，点击页面的时候不收起键
 
 名称 | 参数 | 描述
 -- | -- | --
-blur | `(value: TextareaValue)` | 失去焦点时触发
-change | `(value: TextareaValue)` | 输入内容变化时触发
+blur | `(value: TextareaValue, cursor: number)` | 失去焦点时触发
+change | `(value: TextareaValue, cursor: number)` | 输入内容变化时触发
 enter | `(value: TextareaValue)` | 点击完成时触发
 focus | `(value: TextareaValue)` | 获得焦点时触发
 line-change | `(value: TextareaValue)` | 行高发生变化时触发
diff --git a/src/textarea/__test__/index.test.js b/src/textarea/__test__/index.test.js
index 4ba58f6b0..56daa3415 100644
--- a/src/textarea/__test__/index.test.js
+++ b/src/textarea/__test__/index.test.js
@@ -92,6 +92,7 @@ describe('textarea', () => {
       expect(component.instance.data.count).toBe(10);
       expect(handleChange.mock.calls[1][0].detail).toStrictEqual({
         value: 'textarea用',
+        cursor: undefined,
       });
 
       $textarea.dispatchEvent('textarea', { detail: { value: 'textarea用于567' } });
diff --git a/src/textarea/textarea.ts b/src/textarea/textarea.ts
index a13fbeb36..5850e3cbe 100644
--- a/src/textarea/textarea.ts
+++ b/src/textarea/textarea.ts
@@ -82,9 +82,9 @@ export default class Textarea extends SuperComponent {
     },
 
     onInput(event) {
-      const { value } = event.detail;
+      const { value, cursor } = event.detail;
       this.updateValue(value);
-      this.triggerEvent('change', { value: this.data.value });
+      this.triggerEvent('change', { value: this.data.value, cursor });
     },
     onFocus(event) {
       this.triggerEvent('focus', {