diff --git a/zh-cn/application-dev/reference/apis/js-apis-inputdevice.md b/zh-cn/application-dev/reference/apis/js-apis-inputdevice.md
index b8ef5b4109be6a244d4ee04060b1b7d6472214dd..22ef7bafa7b997b600fc00721aa1a333c73cf8a2 100644
--- a/zh-cn/application-dev/reference/apis/js-apis-inputdevice.md
+++ b/zh-cn/application-dev/reference/apis/js-apis-inputdevice.md
@@ -102,7 +102,7 @@ getDevice(deviceId: number, callback: AsyncCallback<InputDeviceData>): voi
 
 ```
 export default {
-    InputDeviceData {
+    InputDeviceData: {
         deviceId : 0,
         name : "NA",
         sources : Array,
@@ -138,7 +138,7 @@ function getDevice(deviceId: number): Promise<InputDeviceData>
 
 ```
 export default {
-    InputDeviceData {
+    InputDeviceData: {
         deviceId : 0,
         name : "NA",
         sources : Array,