update docs

Signed-off-by: NAnnie_wang <annie.wangli@huawei.com>

en/application-dev/connectivity/Readme-EN.md

 # Connectivity
 
--   [IPC & RPC](ipc-rpc.md)
+-   [IPC & RPC]
     -   [IPC & RPC Overview](ipc-rpc-overview.md)  
     -   [IPC & RPC Development Guidelines](ipc-rpc-development-guideline.md) 
-    
     -   [Subscribing to State Changes of a Remote Object](subscribe-remote-state.md)  
 

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

@@ -1243,7 +1243,7 @@ Obtains the connection status of the profile.
 |                                                   |                         |
 | ------------------------------------------------- | ----------------------- |
 | Type                                              | Description                    |
-| [ProfileConnectionState](#profileconnectionState) | Profile connection state obtained. |
+| [ProfileConnectionState](#profileconnectionstate) | Profile connection state obtained. |
 
 
 ## A2dpSourceProfile