update docs

Signed-off-by: Nshawn_he <shawn.he@huawei.com>

en/application-dev/reference/apis/js-apis-i18n.md

@@ -703,7 +703,7 @@ Converts one measurement unit into another and formats the unit based on the spe
 | toUnit   | [UnitInfo](#unitinfo8) | Yes   | Measurement unit to be converted to.                                |
 | value    | number                 | Yes   | Value of the measurement unit to be converted.                            |
 | locale   | string                 | Yes   | Locale used for formatting, for example, **zh-Hans-CN**.               |
-| style    | string                 | No   | Style used for formatting. The value can be **long**, **short**, or **medium**.|
+| style    | string                 | No   | Style used for formatting. The value can be **long**, **short**, or **narrow**.|
 
 **Return Value**
 | Type    | Description                     |

en/application-dev/reference/apis/js-apis-intl.md

@@ -387,7 +387,7 @@ Provides the device capability.
 | currencySign             | string  | Yes   | Yes   | Currency unit symbol. The value can be **symbol**, **narrowSymbol**, **code**, or **name**.|
 | currencyDisplay          | string  | Yes   | Yes   | Currency display mode. The value can be **symbol**, **narrowSymbol**, **code**, or **name**.|
 | unit                     | string  | Yes   | Yes   | Unit name, for example, **meter**, **inch**, or **hectare**.       |
-| unitDisplay              | string  | Yes   | Yes   | Unit display format. The value can be **long**, **short**, or **medium**.|
+| unitDisplay              | string  | Yes   | Yes   | Unit display format. The value can be **long**, **short**, or **narrow**.|
 | unitUsage                | string  | Yes   | Yes   | Unit usage scenario. The value can be any of the following: **default**, **area-land-agricult**, **area-land-commercl**, **area-land-residntl**, **length-person**, **length-person-small**, **length-rainfall**, **length-road**, **length-road-small**, **length-snowfall**, **length-vehicle**, **length-visiblty**, **length-visiblty-small**, **length-person-informal**, **length-person-small-informal**, **length-road-informal**, **speed-road-travel**, **speed-wind**, **temperature-person**, **temperature-weather**, **volume-vehicle-fuel**.|
 | signDisplay              | string  | Yes   | Yes   | Number sign display format. The value can be **auto**, **never**, **always**, or **expectZero**.|
 | compactDisplay           | string  | Yes   | Yes   | Compact display format. The value can be **long** or **short**.     |