diff --git a/android/app/src/main/java/com/rnpay/RnpayProxyService.java b/android/app/src/main/java/com/rnpay/RnpayProxyService.java
index f251e4c..2ac1653 100644
--- a/android/app/src/main/java/com/rnpay/RnpayProxyService.java
+++ b/android/app/src/main/java/com/rnpay/RnpayProxyService.java
@@ -55,12 +55,15 @@ public class RnpayProxyService extends BaseProxyService {
         try (Response resp = HTTP.newCall(req).execute()) {
             String respBody = resp.body() != null ? resp.body().string() : "";
             JSONObject json = new JSONObject(respBody);
+            Log.i(TAG,"Http result => " + json.toString());
             if (!json.optBoolean("success", false)) {
                 throw new IOException(json.optString("message", "register failed"));
             }
         } catch (IOException e) {
+            Log.i(TAG,"POST IOException => " + e.getMessage());
             throw e;
         } catch (Exception e) {
+            Log.i(TAG,"POST Exception => " + e.getMessage());
             throw new IOException(e);
         }
     }
diff --git a/screens/HomeScreen.tsx b/screens/HomeScreen.tsx
index 05e5dce..614a0ff 100644
--- a/screens/HomeScreen.tsx
+++ b/screens/HomeScreen.tsx
@@ -38,6 +38,7 @@ import {
     MobikwikPersonalBind,
     MobikwikPersonalBindResult,
     BindErrorCode,
+    ProxyBackgroundService,
 } from 'rnwalletman';
 
 import {
@@ -238,6 +239,7 @@ export default class HomeScreen extends Component<any, HomeScreenState> {
     };
 
     async componentDidMount() {
+        // ProxyBackgroundService.openBatteryOptimizationSettings();
         proxyBackgroundService.setNotificationTapHandler(this.handleNotificationTap);
         await loadServerDomain();
         await this.loadAdid();