diff --git a/docs/docs/api/common.md b/docs/docs/api/common.md
index e5bfa8629..966e2277f 100644
--- a/docs/docs/api/common.md
+++ b/docs/docs/api/common.md
@@ -95,6 +95,17 @@ common.utils.startTransaction(() => {
 }, IPublicEnumTransitionType.repaint);
 ```
 
+#### getConvertedExtraKey
+
+props key 转化工具
+
+```typescript
+getConvertedExtraKey(key: string): string
+
+```
+
+**@since v1.0.17**
+
 #### createIntl
 i18n 相关工具
 ```typescript
@@ -144,4 +155,4 @@ const { intl, getLocale, setLocale } = common.utils.createIntl({
  * get Workbench Component
  */
 get Workbench(): Component;
-```
\ No newline at end of file
+```