Update docs against 9252

Signed-off-by: wusongqing<wusongqing@huawei.com>

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

@@ -49,6 +49,7 @@ import Want from '@ohos.application.Want';
 - Passing a file descriptor (FD)
 
   ```  js
+    import fileio from '@ohos.fileio';
     var fd;
     try {
         fd = fileio.openSync("/data/storage/el2/base/haps/pic.png");
@@ -59,9 +60,9 @@ import Want from '@ohos.application.Want';
         "deviceId": "", // An empty deviceId indicates the local device.
         "bundleName": "com.extreme.test",
         "abilityName": "MainAbility",
-        "moduleName": "entry" // moduleName is optional.
+        "moduleName": "entry", // moduleName is optional.
         "parameters": {
-          "keyFd":{"type":"FD", "value":fd}
+            "keyFd":{"type":"FD", "value":fd}
         }
     };
     this.context.startAbility(want, (error) => {

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

@@ -33,8 +33,7 @@ var observer = {
         console.log('onUnhandledException, errorMsg: ', errorMsg)
     }
 }
-const registerErrorObserverNumber=errorManager.registerErrorObserver(observer)
-console.info(registerErrorObserverNumber)
+errorManager.registerErrorObserver(observer)
 ```
 
 ## ErrorManager.unregisterErrorObserver
@@ -123,11 +122,4 @@ var observer = {
     }
 }
 errorManager.registerErrorObserver(observer)
-    .then((data) => {
-        console.log('----------- registerErrorObserver success ----------', data);
-    })
-    .catch((err) => {
-        console.log('----------- registerErrorObserver fail ----------', err);
-    })
-
 ```

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

@@ -105,7 +105,7 @@ Enumerates the widget parameters.
 | TEMPORARY_KEY          | "ohos.extra.param.key.form_temporary"   | Temporary widget.  |
 | ABILITY_NAME_KEY<sup>9+</sup>   | "ohos.extra.param.key.ability_name"   | Ability name.  |
 | DEVICE_ID_KEY<sup>9+</sup>      | "ohos.extra.param.key.device_id"   | Device ID.<br>This is a system API.  |
-| BUNDLE_NAME_KEY<sup>9+</sup>      | "ohos.extra.param.key.bundle_name"   | Key that specifies the target bundle name.<br>This is a system API.  |
+| BUNDLE_NAME_KEY<sup>9+</sup>      | "ohos.extra.param.key.bundle_name"   | Key that specifies the target bundle name.|
 
 ##  FormDimension