diff --git a/SystemSetting.js b/SystemSetting.js
index d6cdd11..5d5ce21 100644
--- a/SystemSetting.js
+++ b/SystemSetting.js
@@ -141,9 +141,12 @@ export default class SystemSetting {
         return (result) > 0
     }
 
-    static switchWifiSilence(complete) {
+    static async switchWifiSilence(complete) {
         if (Utils.isAndroid) {
-            SystemSetting.listenEvent(complete)
+            let listener = await SystemSetting.addWifiListener(() => {
+                SystemSetting.removeListener(listener);
+                complete();
+            });
             SystemSettingNative.switchWifiSilence()
         } else {
             SystemSetting.switchWifi(complete)
@@ -181,9 +184,12 @@ export default class SystemSetting {
         SystemSettingNative.switchBluetooth()
     }
 
-    static switchBluetoothSilence(complete) {
+    static async switchBluetoothSilence(complete) {
         if (Utils.isAndroid) {
-            SystemSetting.listenEvent(complete)
+            let listener = await SystemSetting.addBluetoothListener(() => {
+                SystemSetting.removeListener(listener);
+                complete();
+            })
             SystemSettingNative.switchBluetoothSilence()
         } else {
             SystemSettingNative.switchBluetooth(complete)
@@ -268,4 +274,4 @@ export default class SystemSetting {
             complete()
         })
     }
-}
\ No newline at end of file
+}
diff --git a/android/src/main/java/com/ninty/system/setting/SystemSetting.java b/android/src/main/java/com/ninty/system/setting/SystemSetting.java
index dedd524..b119117 100644
--- a/android/src/main/java/com/ninty/system/setting/SystemSetting.java
+++ b/android/src/main/java/com/ninty/system/setting/SystemSetting.java
@@ -246,6 +246,7 @@ public void run() {
     public void getAppBrightness(Promise promise) {
         final Activity curActivity = getCurrentActivity();
         if (curActivity == null) {
+            promise.reject("-1", "cannot get app brightness: current activity is null");
             return;
         }
         try {
@@ -597,4 +598,14 @@ public void onReceive(Context context, Intent intent) {
             }
         }
     }
+    
+    @ReactMethod
+    public void addListener(String eventName) {
+      // Keep: Required for RN built in Event Emitter Calls.
+    }
+
+    @ReactMethod
+    public void removeListeners(Integer count) {
+      // Keep: Required for RN built in Event Emitter Calls.
+    }
 }
diff --git a/ios/RTCSystemSetting.m b/ios/RTCSystemSetting.m
index 3f2e874..525922a 100644
--- a/ios/RTCSystemSetting.m
+++ b/ios/RTCSystemSetting.m
@@ -165,6 +165,14 @@ +(BOOL)requiresMainQueueSetup{
     }
 }
 
+RCT_EXPORT_METHOD(addListener : (NSString *)eventName) {
+  // Keep: Required for RN built in Event Emitter Calls.
+}
+
+RCT_EXPORT_METHOD(removeListeners : (NSInteger)count) {
+  // Keep: Required for RN built in Event Emitter Calls.
+}
+
 -(void)showVolumeUI:(BOOL)flag{
     if(flag && [volumeView superview]){
         [volumeView removeFromSuperview];
diff --git a/package.json b/package.json
index 80bb4b1..1f33b91 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
     "name": "react-native-system-setting",
-    "version": "1.7.6",
+    "version": "1.7.7",
     "description": "provide some system setting APIs. Volume, brightness, wifi, location, bluetooth, airplane...",
     "main": "SystemSetting.js",
     "types": "SystemSetting.d.ts",