diff --git a/app/build.gradle b/app/build.gradle
index e763215..78d5818 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -18,8 +18,8 @@ android {
         minSdkVersion 24
         targetSdkVersion 29
         
-        versionCode 220
-        versionName "2.2.0"
+        versionCode 221
+        versionName "2.2.1"
 
         testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
 
diff --git a/app/src/main/java/com/google/android/accessibility/selecttospeak/SelectToSpeakService.java b/app/src/main/java/com/google/android/accessibility/selecttospeak/SelectToSpeakService.java
index 232a2e8..4dc9695 100644
--- a/app/src/main/java/com/google/android/accessibility/selecttospeak/SelectToSpeakService.java
+++ b/app/src/main/java/com/google/android/accessibility/selecttospeak/SelectToSpeakService.java
@@ -12,7 +12,6 @@ import android.graphics.Point;
 import android.graphics.Rect;
 import android.os.Build;
 import android.os.Bundle;
-import android.os.Handler;
 import android.text.TextUtils;
 import android.util.DisplayMetrics;
 import android.util.Log;
@@ -31,9 +30,17 @@ import com.vscool.os.utils.ForegroundAppUtil;
 import java.util.List;
 import java.util.Optional;
 import java.util.Random;
+import java.util.concurrent.TimeUnit;
+
+import io.reactivex.rxjava3.annotations.NonNull;
+import io.reactivex.rxjava3.core.Observable;
+import io.reactivex.rxjava3.core.ObservableEmitter;
+import io.reactivex.rxjava3.core.ObservableOnSubscribe;
+import io.reactivex.rxjava3.functions.Consumer;
 
 /**
  * 通过微信标签最高支持8.0.49，8.0.50 获取不到数据
+ * 8.0.54 可以获取
  * 通过 {@link AccessibilityService#getWindows}和修改accessibility-service 配置能遍历屏幕元素
  */
 public class SelectToSpeakService extends AccessibilityService {
@@ -63,7 +70,7 @@ public class SelectToSpeakService extends AccessibilityService {
     public static final int TYPE_VOICE = 0;
     public static final int TYPE_VIDEO = 1;
 
-    private static final int WAIT_TIME = 1200;
+    private static final int WAIT_TIME = 1300;
 
     private int mCallType = TYPE_VOICE;
 
@@ -72,17 +79,12 @@ public class SelectToSpeakService extends AccessibilityService {
     private String mName = "";//微信昵称
     private String mTagName = "";//微信联系人标签名
     private boolean mAutoAccept = false;
-    private boolean finished = true;
 
-    private Handler handler = null;
-    private AccessibilityEvent input = null;
-    private Runnable runnable = new Runnable() {
-        @Override
-        public void run() {
-            _onAccessibilityEvent(input);
-            finished = true;
-        }
-    };
+    public interface AccessibilityEventCallback {
+        void onAccessibilityEventCallback(AccessibilityEvent accessibilityEvent);
+    }
+
+    private AccessibilityEventCallback mAccessibilityEventCallback;
 
     @Override
     public void onCreate() {
@@ -90,10 +92,27 @@ public class SelectToSpeakService extends AccessibilityService {
         Log.e(TAG, "onCreate: ");
         registerSettingReceiver();
         mAutoAccept = mMMKV.decodeBool(CommonConfig.WECHAT_CALL_AUTO_ACCEPT, false);
-        handler = new Handler();
+        analysisAccessibilityEvent();
+    }
+
+    private void analysisAccessibilityEvent() {
+        Observable.create(new ObservableOnSubscribe<AccessibilityEvent>() {
+            @Override
+            public void subscribe(@NonNull ObservableEmitter<AccessibilityEvent> emitter) throws Throwable {
+                mAccessibilityEventCallback = emitter::onNext;
+            }
+        }).throttleLast(WAIT_TIME, TimeUnit.MILLISECONDS)
+                .subscribe(new Consumer<AccessibilityEvent>() {
+                    @Override
+                    public void accept(AccessibilityEvent accessibilityEvent) throws Throwable {
+                        Log.e(TAG, "analysisAccessibilityEvent accept: ");
+                        _onAccessibilityEvent(accessibilityEvent);
+                    }
+                });
 
     }
 
+
     @Override
     public int onStartCommand(Intent intent, int flags, int startId) {
         Log.e(TAG, "onStartCommand: ");
@@ -127,14 +146,7 @@ public class SelectToSpeakService extends AccessibilityService {
     public void onAccessibilityEvent(AccessibilityEvent event) {
         Log.v(TAG, "onAccessibilityEvent: event = " + event.toString());
         checkClassName(event);
-        if (finished) {
-            finished = false;
-        } else {
-            Log.v(TAG, "bounce");
-            handler.removeCallbacks(runnable);
-        }
-        input = event;
-        handler.postDelayed(runnable, WAIT_TIME);
+        mAccessibilityEventCallback.onAccessibilityEventCallback(event);
     }
 
     private void checkClassName(AccessibilityEvent event) {
@@ -421,8 +433,7 @@ public class SelectToSpeakService extends AccessibilityService {
             clickNode(nodeInfo);
             mCurrentStep = nextStep;
         } else {
-            Toaster.show("没有找到控件");
-            mCurrentStep = Step.WAITING;
+            Toaster.show("没有找到搜索按钮");
         }
     }
 
diff --git a/app/src/main/java/com/vscool/os/activity/setting/SettingActivity.java b/app/src/main/java/com/vscool/os/activity/setting/SettingActivity.java
index 5c4e704..d889e69 100644
--- a/app/src/main/java/com/vscool/os/activity/setting/SettingActivity.java
+++ b/app/src/main/java/com/vscool/os/activity/setting/SettingActivity.java
@@ -85,7 +85,12 @@ public class SettingActivity extends BaseMvvmActivity<SettingViewModel, Activity
             @Override
             public void onToggle(boolean on) {
                 if (on) {
-                    showFloatingWindow();
+                    boolean permission = checkFloatPermission(SettingActivity.this);
+                    if (permission) {
+                        showFloatingWindow();
+                    } else {
+                        showFloatWindowDialog();
+                    }
                 } else {
                     hideFloatingWindow();
                 }
@@ -221,28 +226,40 @@ public class SettingActivity extends BaseMvvmActivity<SettingViewModel, Activity
     @Override
     protected void onResume() {
         super.onResume();
+        Log.e(TAG, "onResume: ");
         setStatus();
         mViewModel.getSystemSettings();
     }
 
     private void setStatus() {
         boolean showFloatWindow = Settings.Global.getInt(getContentResolver(), CommonConfig.HOVER_HOME, CommonConfig.HOVER_HOME_STATUS) == 1;
-        Log.e(TAG, "initView: showFloatWindow = " + showFloatWindow);
+        Log.e(TAG, "setStatus: showFloatWindow = " + showFloatWindow);
         mViewDataBinding.tbFloat.setToggleStatu(showFloatWindow);
+        if (showFloatWindow) {
+            boolean permission = checkFloatPermission(SettingActivity.this);
+            if (permission) {
+                showFloatingWindow();
+            } else {
+                showFloatWindowDialog();
+            }
+        } else {
+            hideFloatingWindow();
+        }
 
         boolean voiceBroadcast = mMMKV.decodeBool(CommonConfig.VOICE_BROADCAST, false);
-        Log.e(TAG, "initView: voiceBroadcast = " + voiceBroadcast);
+        Log.e(TAG, "setStatus: voiceBroadcast = " + voiceBroadcast);
         mViewDataBinding.tbSms.setToggleStatu(voiceBroadcast);
 
         boolean autoAccept = mMMKV.decodeBool(CommonConfig.WECHAT_CALL_AUTO_ACCEPT, false);
-        Log.e(TAG, "initView: autoAccept = " + autoAccept);
+        Log.e(TAG, "setStatus: autoAccept = " + autoAccept);
         mViewDataBinding.tbAutoAnswer.setToggleStatu(autoAccept);
         if (autoAccept) {
             boolean floatWindowEnable = Settings.Global.getInt(getContentResolver(), CommonConfig.HOVER_HOME, CommonConfig.HOVER_HOME_STATUS) == 1;
             boolean permission = FloatingWindowUtils.checkFloatPermission(SettingActivity.this);
-            if (floatWindowEnable && permission) {
+            boolean accessibility = AccessibilityUtils.isAccessibilitySettingsOn(SettingActivity.this);
+            if (floatWindowEnable && permission && !accessibility) {
                 Toast.makeText(SettingActivity.this, "由于系统限制，请先关闭悬浮窗功能，开启自动接听后再打开悬浮窗", Toast.LENGTH_LONG).show();
-                showFloatWindowDialog();
+                showFloatHideDialog();
             } else {
                 if (AccessibilityUtils.isAccessibilitySettingsOn(SettingActivity.this)) {
                     mMMKV.encode(CommonConfig.WECHAT_CALL_AUTO_ACCEPT, 1);
@@ -256,32 +273,32 @@ public class SettingActivity extends BaseMvvmActivity<SettingViewModel, Activity
         }
 
         boolean wxAutoVideo = mMMKV.decodeInt(CommonConfig.WECHAT_AUTO_CALL_KEY, 0) == 1;
-        Log.e(TAG, "initView: wxAutoVideo = " + autoAccept);
+        Log.e(TAG, "setStatus: wxAutoVideo = " + autoAccept);
         mViewDataBinding.tbAutoCall.setToggleStatu(wxAutoVideo);
 
         boolean dialTone = mMMKV.decodeBool(CommonConfig.DISABLE_DIAL_TONE_MODIFY, true);
-        Log.e(TAG, "initView: dialTone = " + dialTone);
+        Log.e(TAG, "setStatus: dialTone = " + dialTone);
         mViewDataBinding.tbDialer.setToggleStatu(dialTone);
 
         int code = Settings.System.getInt(getContentResolver(), CommonConfig.ACTION_STATUS_BAR_STATE, 0);
         boolean statusBar = code == 1;
-        Log.e(TAG, "initView: statusBar = " + statusBar);
+        Log.e(TAG, "setStatus: statusBar = " + statusBar);
         mViewDataBinding.tbStatu.setToggleStatu(statusBar);
 
         boolean hourlyTime = mMMKV.decodeBool(CommonConfig.HOURLY_TIME_SIGNAL_KEY, false);
-        Log.e(TAG, "initView: hourlyTime = " + hourlyTime);
+        Log.e(TAG, "setStatus: hourlyTime = " + hourlyTime);
         mViewDataBinding.tbHourly.setToggleStatu(hourlyTime);
 
         boolean disableKey = mMMKV.decodeBool(CommonConfig.DISABLE_VOLUME_KEY, false);
-        Log.e(TAG, "initView: disableKey = " + disableKey);
+        Log.e(TAG, "setStatus: disableKey = " + disableKey);
         mViewDataBinding.tbVolume.setToggleStatu(!disableKey);
 
         boolean contactModify = mMMKV.decodeBool(CommonConfig.DISABLE_CONTACT_MODIFY, false);
-        Log.e(TAG, "initView: contactModify = " + contactModify);
+        Log.e(TAG, "setStatus: contactModify = " + contactModify);
         mViewDataBinding.tbContact.setToggleStatu(!contactModify);
 
         int clockModify = mMMKV.decodeInt(CommonConfig.ALARM_CLOCK_CTRL, 1);
-        Log.e(TAG, "initView: clockModify = " + clockModify);
+        Log.e(TAG, "setStatus: clockModify = " + clockModify);
         mViewDataBinding.tbClock.setToggleStatu(clockModify == 1);
     }
 
@@ -390,9 +407,10 @@ public class SettingActivity extends BaseMvvmActivity<SettingViewModel, Activity
                 public void onPositive() {
                     boolean floatWindowEnable = Settings.Global.getInt(getContentResolver(), CommonConfig.HOVER_HOME, CommonConfig.HOVER_HOME_STATUS) == 1;
                     boolean permission = FloatingWindowUtils.checkFloatPermission(SettingActivity.this);
-                    if (floatWindowEnable && permission) {
+                    boolean accessibility = AccessibilityUtils.isAccessibilitySettingsOn(SettingActivity.this);
+                    if (floatWindowEnable && permission && !accessibility) {
                         Toast.makeText(SettingActivity.this, "由于系统限制，请先关闭悬浮窗功能，开启自动接听后再打开悬浮窗", Toast.LENGTH_LONG).show();
-                        showFloatWindowDialog();
+                        showFloatHideDialog();
                     } else {
                         showAutoAcceptDialog();
                     }
@@ -433,7 +451,6 @@ public class SettingActivity extends BaseMvvmActivity<SettingViewModel, Activity
 //        }
     }
 
-    private PermissionsDialog mFloatWindowDialog;
 
     private void setWechatAutoCall(boolean on) {
         if (on) {
@@ -462,6 +479,37 @@ public class SettingActivity extends BaseMvvmActivity<SettingViewModel, Activity
         }
     }
 
+    private PermissionsDialog mFloatWindowHideDialog;
+
+    private void showFloatHideDialog() {
+        if (mFloatWindowHideDialog != null) {
+            mFloatWindowHideDialog.dismiss();
+            mFloatWindowHideDialog = null;
+        }
+        mFloatWindowHideDialog = new PermissionsDialog(SettingActivity.this);
+        mFloatWindowHideDialog.setTitle("功能说明");
+        mFloatWindowHideDialog.setContent("由于系统限制，请先关闭悬浮窗功能，开启自动接听后再打开悬浮窗");
+        mFloatWindowHideDialog.setDeniedtext("取消");
+        mFloatWindowHideDialog.setGrantedtext("确定");
+        mFloatWindowHideDialog.setPermissionsCallback(new PermissionsDialog.PermissionsCallback() {
+            @Override
+            public void onGranted() {
+                mFloatWindowHideDialog.dismiss();
+                Intent intent = new Intent(Settings.ACTION_MANAGE_OVERLAY_PERMISSION, Uri.parse("package:" + getPackageName()));
+                startActivity(intent);
+            }
+
+            @Override
+            public void onDenied() {
+                mFloatWindowHideDialog.dismiss();
+                mViewDataBinding.tbAutoAnswer.setToggleStatu(false);
+            }
+        });
+        mFloatWindowHideDialog.show();
+    }
+
+    private PermissionsDialog mFloatWindowDialog;
+
     private void showFloatWindowDialog() {
         if (mFloatWindowDialog != null) {
             mFloatWindowDialog.dismiss();
@@ -469,21 +517,29 @@ public class SettingActivity extends BaseMvvmActivity<SettingViewModel, Activity
         }
         mFloatWindowDialog = new PermissionsDialog(SettingActivity.this);
         mFloatWindowDialog.setTitle("功能说明");
-        mFloatWindowDialog.setContent("由于系统限制，请先关闭悬浮窗功能，开启自动接听后再打开悬浮窗");
+        mFloatWindowDialog.setContent("您已开启悬浮窗功能，程序需要授予悬浮窗权限才能使用此功能，是否同意授权");
         mFloatWindowDialog.setDeniedtext("取消");
         mFloatWindowDialog.setGrantedtext("确定");
         mFloatWindowDialog.setPermissionsCallback(new PermissionsDialog.PermissionsCallback() {
             @Override
             public void onGranted() {
-                mFloatWindowDialog.dismiss();
-                Intent intent = new Intent(Settings.ACTION_MANAGE_OVERLAY_PERMISSION, Uri.parse("package:" + getPackageName()));
-                startActivity(intent);
+                // 在Activity或Fragment中请求权限
+                if (!Settings.canDrawOverlays(SettingActivity.this)) {
+                    Toast.makeText(SettingActivity.this, "请先打开悬浮窗权限", Toast.LENGTH_LONG).show();
+                    Intent intent = new Intent(Settings.ACTION_MANAGE_OVERLAY_PERMISSION,
+                            Uri.parse("package:" + getPackageName()));
+                    startActivityForResult(intent, REQUEST_CODE_DRAW_OVER_OTHER_APPS_PERMISSION);
+                } else {
+                    showFloatingWindow();
+                    mFloatWindowDialog.dismiss();
+                }
             }
 
             @Override
             public void onDenied() {
                 mFloatWindowDialog.dismiss();
-                mViewDataBinding.tbAutoAnswer.setToggleStatu(false);
+                mViewDataBinding.tbFloat.setToggleStatu(false);
+                Settings.Global.putInt(getContentResolver(), CommonConfig.HOVER_HOME, 0);
             }
         });
         mFloatWindowDialog.show();
@@ -510,10 +566,11 @@ public class SettingActivity extends BaseMvvmActivity<SettingViewModel, Activity
             public void onGranted() {
                 mAutoAcceptDialog.dismiss();
                 if (AccessibilityUtils.isAccessibilitySettingsOn(SettingActivity.this)) {
-                    mMMKV.encode(CommonConfig.WECHAT_CALL_AUTO_ACCEPT, 1);
                     Intent intent = new Intent(SelectToSpeakService.SETTING_AUTOMATIC_ANSWER_ACTION);
                     intent.putExtra("auto_answer", true);
                     sendBroadcast(intent);
+                    mMMKV.encode(CommonConfig.WECHAT_CALL_AUTO_ACCEPT, 1);
+                    mViewDataBinding.tbAutoAnswer.setToggleStatu(true);
                 } else {
                     AccessibilityUtils.openAccessibilitySettings(SettingActivity.this);
                 }