doc: update useInjectFormItemContext, close #5667

Author: tangjinzhou

components/form/index.en-US.md

@@ -100,7 +100,7 @@ You can reference [Customized Form Controls](#components-form-demo-customized-fo
 
 But it also has some disadvantages:
 
-1. If the custom component wants Form.Item to be verified and displayed, you need to inject `const {id, onFieldChange, onFieldBlur} = useFormItemContext()` and call the corresponding method.
+1. If the custom component wants Form.Item to be verified and displayed, you need to inject `const {id, onFieldChange, onFieldBlur} = useInjectFormItemContext()` and call the corresponding method.
 
 2. A Form.Item can only collect the data of one form item. If there are multiple form items, it will cause collection confusion, for example,
 
@@ -122,7 +122,7 @@ The first is to use multiple `a-form-item`:
 </a-form-item>
 ```
 
-The second way is to wrap it with a custom component and call `useFormItemContext` in the custom component, It is equivalent to merging multiple form items into one.
+The second way is to wrap it with a custom component and call `useInjectFormItemContext` in the custom component, It is equivalent to merging multiple form items into one.
 
 ```html
 <script>
@@ -131,7 +131,7 @@ The second way is to wrap it with a custom component and call `useFormItemContex
   export default {
     name: 'custom-name',
     setup() {
-      const formItemContext = Form.useFormItemContext();
+      const formItemContext = Form.useInjectFormItemContext();
     },
   };
 </script>

components/form/index.zh-CN.md

@@ -99,7 +99,7 @@ cover: https://gw.alipayobjects.com/zos/alicdn/ORmcdeaoO/Form.svg
 
 但它同样会有一些缺点：
 
-1、自定义组件如果希望 Form.Item 进行校验展示，你需要 `const {id, onFieldChange, onFieldBlur} = useFormItemContext()` 注入，并调用相应的方法。
+1、自定义组件如果希望 Form.Item 进行校验展示，你需要 `const {id, onFieldChange, onFieldBlur} = useInjectFormItemContext()` 注入，并调用相应的方法。
 
 2、一个 Form.Item 只能收集一个表单项的数据，如果有多个表单项，会导致收集错乱，例如，
 
@@ -121,15 +121,15 @@ cover: https://gw.alipayobjects.com/zos/alicdn/ORmcdeaoO/Form.svg
 </a-form-item>
 ```
 
-第二种，使用自定义组件包裹，并在自定义组件中调用 `useFormItemContext`，相当于把多个表单项合并成了一个
+第二种，使用自定义组件包裹，并在自定义组件中调用 `useInjectFormItemContext`，相当于把多个表单项合并成了一个
 
 ```html
 <script>
   // 自定义组件
   import { Form } from 'ant-design-vue';
   export default {
     setup() {
-      const formItemContext = Form.useFormItemContext();
+      const formItemContext = Form.useInjectFormItemContext();
     },
   };
 </script>