diff --git a/commonLib/build.gradle b/commonLib/build.gradle
index b8c21ce..9701236 100644
--- a/commonLib/build.gradle
+++ b/commonLib/build.gradle
@@ -38,6 +38,8 @@ dependencies {
 
     implementation 'com.aill:AndroidSerialPort:1.0.8'
 
+    implementation 'com.airbnb.android:lottie:5.0.2'
+
     implementation(rootProject.ext.dependencies.mmkv)
 
     // 添加kotlin依赖
diff --git a/commonbt/src/main/java/com/common/bluetooth/interfaces/IBluetoothClient.kt b/commonbt/src/main/java/com/common/bluetooth/interfaces/IBluetoothClient.kt
index 0eef4fe..3d030bc 100644
--- a/commonbt/src/main/java/com/common/bluetooth/interfaces/IBluetoothClient.kt
+++ b/commonbt/src/main/java/com/common/bluetooth/interfaces/IBluetoothClient.kt
@@ -38,7 +38,7 @@ interface IBluetoothClient {
      * @param mac 需要连接蓝牙设备的地址
      * @return 成功，返回连接设备的地址
      */
-    fun connect(mac: String): Observable<String>
+    fun connect(mac: String, callback: BaseResultCallback<String>)
 
     /**
      * 断开蓝牙连接, 释放蓝牙连接占用的蓝牙服务
diff --git a/commonbt/src/main/java/com/common/bluetooth/service/ble/BLEClientService.java b/commonbt/src/main/java/com/common/bluetooth/service/ble/BLEClientService.java
index b7e18f6..9b0b621 100644
--- a/commonbt/src/main/java/com/common/bluetooth/service/ble/BLEClientService.java
+++ b/commonbt/src/main/java/com/common/bluetooth/service/ble/BLEClientService.java
@@ -114,6 +114,21 @@ public class BLEClientService extends Service {
         }
     };
 
+    /**
+     * 连接回调
+     */
+    private final BaseResultCallback<String> connectCallback = new BaseResultCallback<String>() {
+        @Override
+        public void onSuccess(String data) {
+            Log.d(TAG, "got connectCallback onSuccess = " + data);
+        }
+
+        @Override
+        public void onFail(String msg) {
+            Log.d(TAG, "got connectCallback onFail = " + msg);
+        }
+    };
+
     /**
      * 连接服务端设备
      *
@@ -127,49 +142,75 @@ public class BLEClientService extends Service {
         if (TextUtils.isEmpty(connectMac)) {
             connectMac = BtUtils.INSTANCE.getConnectMac(BLEClientService.this);
         }
-        Observable<String>[] observables = new Observable[2];
-        observables[0] = mBtClient.connect(connectMac);
-        // 判断是否需要启动通知
-        if (enableNotify) {
-            observables[1] = mBtClient.registerNotify(connectMac, BtConstants.INSTANCE.getUUID_SERVICE(),
-                    BtConstants.INSTANCE.getUUID_CHARACTERISTIC_READ_NOTIFY(), notifyCallback);
-        }
-        Observable.concatArray(observables).subscribe(new Observer<String>() {
+        mBtClient.connect(connectMac, new BaseResultCallback<String>() {
             @Override
-            public void onSubscribe(@NonNull Disposable d) {
-                Log.d(TAG, "connect onSubscribe");
-            }
+            public void onSuccess(String data) {
+                Log.d(TAG, "got connectCallback onSuccess = " + data);
+                if (enableNotify) {
+                    mBtClient.registerNotify(connectMac, BtConstants.INSTANCE.getUUID_SERVICE(),
+                            BtConstants.INSTANCE.getUUID_CHARACTERISTIC_READ_NOTIFY(), notifyCallback).subscribe(new Observer<String>() {
+                        @Override
+                        public void onSubscribe(@NonNull Disposable d) {
+                            Log.d(TAG, "connect onSubscribe");
+                        }
 
-            @Override
-            public void onNext(@NonNull String value) {
-                Log.d(TAG, String.format("connect onNext: %s", value));
+                        @Override
+                        public void onNext(@NonNull String value) {
+                            Log.d(TAG, String.format("connect onNext: %s", value));
+                        }
+
+                        @Override
+                        public void onError(@NonNull Throwable e) {
+                            Log.e(TAG, "connect onError: ", e);
+                            // 链接过程报错，断开链接
+                            mBtClient.disconnect(connectMac);
+                            connectMac = "";
+
+                            if (clientListener != null) {
+                                clientListener.onResult(new CommonMsg(BtConstants.CONNECT_ERROR, e.getMessage()));
+                            }
+                            if (connectListener != null) {
+                                connectListener.onFail(e.getMessage());
+                            }
+                        }
+
+                        @Override
+                        public void onComplete() {
+                            Log.d(TAG, "connect onComplete");
+                            // 将链接成功的MAC地址保存
+                            BtUtils.INSTANCE.saveConnectMac(BLEClientService.this, mac);
+                            if (clientListener != null) {
+                                clientListener.onResult(new CommonMsg(CONNECT_SUCCESS, mac));
+                            }
+                            if (connectListener != null) {
+                                connectListener.onSuccess();
+                            }
+                        }
+                    });
+                } else {
+                    // 将链接成功的MAC地址保存
+                    BtUtils.INSTANCE.saveConnectMac(BLEClientService.this, mac);
+                    if (clientListener != null) {
+                        clientListener.onResult(new CommonMsg(CONNECT_SUCCESS, mac));
+                    }
+                    if (connectListener != null) {
+                        connectListener.onSuccess();
+                    }
+                }
             }
 
             @Override
-            public void onError(@NonNull Throwable e) {
-                Log.e(TAG, "connect onError: ", e);
+            public void onFail(String msg) {
+                Log.d(TAG, "got connectCallback onFail = " + msg);
                 // 链接过程报错，断开链接
                 mBtClient.disconnect(connectMac);
                 connectMac = "";
 
                 if (clientListener != null) {
-                    clientListener.onResult(new CommonMsg(BtConstants.CONNECT_ERROR, e.getMessage()));
-                }
-                if (connectListener != null) {
-                    connectListener.onFail(e.getMessage());
-                }
-            }
-
-            @Override
-            public void onComplete() {
-                Log.d(TAG, "connect onComplete");
-                // 将链接成功的MAC地址保存
-                BtUtils.INSTANCE.saveConnectMac(BLEClientService.this, mac);
-                if (clientListener != null) {
-                    clientListener.onResult(new CommonMsg(CONNECT_SUCCESS, mac));
+                    clientListener.onResult(new CommonMsg(BtConstants.CONNECT_ERROR, msg));
                 }
                 if (connectListener != null) {
-                    connectListener.onSuccess();
+                    connectListener.onFail(msg);
                 }
             }
         });
diff --git a/commonbt/src/main/java/com/common/bluetooth/service/ble/BluetoothClientBLEAdapter.java b/commonbt/src/main/java/com/common/bluetooth/service/ble/BluetoothClientBLEAdapter.java
index 0b67b2e..946a354 100644
--- a/commonbt/src/main/java/com/common/bluetooth/service/ble/BluetoothClientBLEAdapter.java
+++ b/commonbt/src/main/java/com/common/bluetooth/service/ble/BluetoothClientBLEAdapter.java
@@ -46,7 +46,6 @@ public class BluetoothClientBLEAdapter implements IBluetoothClient {
 
     public BluetoothClientBLEAdapter(BluetoothBLeClient client) {
         mClient = client;
-
         HandlerThread workThread = new HandlerThread("bluetooth ble worker");
         workThread.start();
     }
@@ -101,34 +100,27 @@ public class BluetoothClientBLEAdapter implements IBluetoothClient {
         mClient.getBluetoothSearcher(BtConstants.BLUETOOTH_TYPE.BLE).stopScan();
     }
 
-    @NonNull
     @Override
-    public Observable<String> connect(@NonNull final String mac) {
-        return Observable.create(new ObservableOnSubscribe<String>() {
-            @Override
-            public void subscribe(@NonNull final ObservableEmitter<String> emitter) {
-                BluetoothLeConnector connector = mClient.getBluetoothLeConnector(mac);
+    public void connect(@NonNull final String mac, BaseResultCallback<String> callback) {
+        BluetoothLeConnector connector = mClient.getBluetoothLeConnector(mac);
 
-                connector.connect(new BluetoothLeConnector.OnConnectListener() {
-                    @Override
-                    public void onConnect() {
-                    }
+        connector.connect(new BluetoothLeConnector.OnConnectListener() {
+            @Override
+            public void onConnect() {
+            }
 
-                    @Override
-                    public void onDisconnect() {
-                    }
+            @Override
+            public void onDisconnect() {
+            }
 
-                    @Override
-                    public void onServiceDiscover() {
-                        emitter.onNext(mac);
-                        emitter.onComplete();
-                    }
+            @Override
+            public void onServiceDiscover() {
+                callback.onSuccess(mac);
+            }
 
-                    @Override
-                    public void onError(String msg) {
-                        emitter.onError(new Throwable(msg));
-                    }
-                });
+            @Override
+            public void onError(String msg) {
+                callback.onFail(msg);
             }
         });
     }
diff --git a/commonbt/src/main/java/com/common/bluetooth/service/ble/BluetoothLeConnector.java b/commonbt/src/main/java/com/common/bluetooth/service/ble/BluetoothLeConnector.java
index 8a0a6a8..ef227d9 100644
--- a/commonbt/src/main/java/com/common/bluetooth/service/ble/BluetoothLeConnector.java
+++ b/commonbt/src/main/java/com/common/bluetooth/service/ble/BluetoothLeConnector.java
@@ -164,7 +164,8 @@ public class BluetoothLeConnector {
                     mConnectHandler.postDelayed(() ->
                             mWorkHandler.post(() -> {
                                 if (!mIsStartService.get()) {
-                                    gatt.disconnect();
+                                    disconnectGatt();
+                                    mOnConnectListener.onError("disCoverServices time out");
                                 }
                             }), 3000L);
 
@@ -309,6 +310,11 @@ public class BluetoothLeConnector {
             mIsStartService.set(false);
 
             mConnectTime.set(SystemClock.elapsedRealtime());
+            // 再次链接前检查是否存在上一次的链接，如果存在，尝试断开连接
+            if (getBluetoothGatt() != null) {
+                getBluetoothGatt().disconnect();
+                getBluetoothGatt().close();
+            }
             setBluetoothGatt(device.connectGatt(mContext, false, mGattCallback));
             if (getBluetoothGatt() == null) {
                 String err = "bluetooth is not open!";
@@ -320,7 +326,7 @@ public class BluetoothLeConnector {
             // 自定义MTU
 //            getBluetoothGatt().requestMtu(512);
 
-            // 开一个定时器，如果超出 20s 就强制断开连接
+            // 开一个定时器，如果超出 10s 就强制断开连接
             // 这个定时器必须在连接上设备之后清掉
             mConnectHandler.removeCallbacksAndMessages(null);
             mConnectHandler.postDelayed(() ->
@@ -331,7 +337,7 @@ public class BluetoothLeConnector {
                             Log.e(TAG, err);
                             callback.onError(err);
                         }
-                    }), 20000L);
+                    }), 10000L);
         });
     }
 
@@ -353,16 +359,12 @@ public class BluetoothLeConnector {
             return;
         }
 
-        if (mConnectStatus.get() == BluetoothGatt.STATE_DISCONNECTED) {
-            close();
-            return;
+        if (mConnectStatus.get() == BluetoothGatt.STATE_CONNECTING) {
+            mConnectHandler.removeCallbacksAndMessages(null);
         }
 
-        getBluetoothGatt().disconnect();
-
         // 确保 Gatt 一定会被 close
-        if (mConnectStatus.get() == BluetoothGatt.STATE_CONNECTING) {
-            mConnectHandler.removeCallbacksAndMessages(null);
+        if (mConnectStatus.get() != BluetoothGatt.STATE_DISCONNECTING) {
             close();
         }
     }
@@ -378,6 +380,7 @@ public class BluetoothLeConnector {
             Log.e(TAG, "BluetoothAdapter not initialized");
             return;
         }
+        getBluetoothGatt().disconnect();
         getBluetoothGatt().close();
         setBluetoothGatt(null);
         mConnectStatus.set(BluetoothGatt.STATE_DISCONNECTED);
diff --git a/commonbt/src/main/java/com/common/bluetooth/service/ble/BtBleSearcher.kt b/commonbt/src/main/java/com/common/bluetooth/service/ble/BtBleSearcher.kt
index 7df7780..c359d69 100644
--- a/commonbt/src/main/java/com/common/bluetooth/service/ble/BtBleSearcher.kt
+++ b/commonbt/src/main/java/com/common/bluetooth/service/ble/BtBleSearcher.kt
@@ -134,7 +134,7 @@ class BtBleSearcher(
         if (mScanning.get()) {
             mScanning.set(false)
             launch(Dispatchers.Main) {
-                mScanCallback!!.onComplete()
+                mScanCallback?.onComplete()
             }
             mBluetoothAdapter?.bluetoothLeScanner?.stopScan(mScanCallback)
             mScanCallback = null
diff --git a/commonbt/src/main/java/com/common/bluetooth/service/bt/BluetoothClientClassicAdapter.kt b/commonbt/src/main/java/com/common/bluetooth/service/bt/BluetoothClientClassicAdapter.kt
index 9c8bd9f..15b320c 100644
--- a/commonbt/src/main/java/com/common/bluetooth/service/bt/BluetoothClientClassicAdapter.kt
+++ b/commonbt/src/main/java/com/common/bluetooth/service/bt/BluetoothClientClassicAdapter.kt
@@ -28,14 +28,11 @@ class BluetoothClientClassicAdapter(private var mClient: BluetoothClassicClient)
         mClient.getBluetoothSearcher(BtConstants.BLUETOOTH_TYPE.CLASSIC).stopScan()
     }
 
-    override fun connect(mac: String): Observable<String> {
-        return Observable.create {
-            if (!mClient.isConnected((mac))) {
-                mClient.connect(mac)
-            }
-            it.onNext(mac)
-            it.onComplete()
+    override fun connect(mac: String, callback: BaseResultCallback<String>) {
+        if (!mClient.isConnected((mac))) {
+            mClient.connect(mac)
         }
+        callback.onSuccess(mac)
     }
 
     override fun disconnect(mac: String) {
diff --git a/commonbt/src/main/java/com/common/bluetooth/utils/BtUtils.kt b/commonbt/src/main/java/com/common/bluetooth/utils/BtUtils.kt
index 355fb9a..c107f5f 100644
--- a/commonbt/src/main/java/com/common/bluetooth/utils/BtUtils.kt
+++ b/commonbt/src/main/java/com/common/bluetooth/utils/BtUtils.kt
@@ -9,7 +9,6 @@ import com.common.bluetooth.DeviceJson
 import com.common.bluetooth.bean.*
 import com.google.gson.Gson
 import com.google.gson.reflect.TypeToken
-import java.util.ArrayList
 
 /**
  * 蓝牙工具类
@@ -36,10 +35,15 @@ object BtUtils {
     const val MAC_KEY = "mac"
 
     /**
-     * MAC地址的KEY
+     * MAC名称的KEY
      */
     const val MAC_AND_NAME_KEY = "mac_and_name"
 
+    /**
+     * MAC名字的KEY
+     */
+    const val NAME_KEY = "name"
+
     enum class EVENT_TYPE(val type: String, val index: String) {
         /**
          * 点击事件
@@ -374,7 +378,7 @@ object BtUtils {
      * @param mac 设备MAC
      * @param context 上下文
      */
-    fun saveConnectMacAndName(context: Context, mac: String,name:String) {
+    fun saveConnectMacAndName(context: Context, mac: String, name: String) {
         val sharedPreferences: SharedPreferences =
             context.getSharedPreferences(SP_DEVICE_NAME, Context.MODE_PRIVATE)
         val edit = sharedPreferences.edit()
@@ -382,14 +386,19 @@ object BtUtils {
         var deviceNameList: ArrayList<String> = ArrayList()
         var deviceMacList1: ArrayList<String> = ArrayList()
         var deviceNameList1: ArrayList<String> = ArrayList()
+        var seatNameList: ArrayList<String> = ArrayList()
+        var seatNameList1: ArrayList<String> = ArrayList()
         val gson = Gson()
         deviceMacList.clear()
         deviceNameList.clear()
+        seatNameList.clear()
         if (TextUtils.isEmpty(getConnectMacAndName(context, MAC_AND_NAME_KEY))) {
             deviceMacList.add(mac)
             deviceNameList.add(name)
+            seatNameList.add(name)
             edit.putString(MAC_AND_NAME_KEY, gson.toJson(deviceNameList))
             edit.putString(MAC_KEY, gson.toJson(deviceMacList))
+            edit.putString(NAME_KEY, gson.toJson(seatNameList))
         } else {
             val listType = object : TypeToken<List<String?>?>() {}.type
             deviceMacList1 = gson.fromJson<ArrayList<String>>(
@@ -401,17 +410,29 @@ object BtUtils {
                 getConnectMacAndName(context, MAC_AND_NAME_KEY),
                 listType2
             )
+            val listType3 = object : TypeToken<List<String?>?>() {}.type
+            seatNameList1 = gson.fromJson<ArrayList<String>>(
+                getConnectMacAndName(context, NAME_KEY),
+                listType3
+            )
             var i = 0
             for (s in deviceMacList1) {
                 if (deviceMacList1.get(i) == mac) {
                     break
-                } else if (deviceMacList1.get(deviceMacList1.size - 1) != mac ) {
+                } else if (deviceMacList1.get(deviceMacList1.size - 1) != mac) {
+                    deviceMacList.clear()
                     deviceMacList.add(mac)
                     deviceMacList.addAll(deviceMacList1)
+                    deviceNameList.clear()
                     deviceNameList.add(name)
                     deviceNameList.addAll(deviceNameList1)
+                    seatNameList.clear()
+                    seatNameList.add(name)
+                    seatNameList.addAll(seatNameList1)
                     edit.putString(MAC_AND_NAME_KEY, gson.toJson(deviceNameList))
                     edit.putString(MAC_KEY, gson.toJson(deviceMacList))
+                    edit.putString(NAME_KEY, gson.toJson(seatNameList))
+
                 }
                 i++
             }
@@ -433,6 +454,8 @@ object BtUtils {
             return sharedPreferences.getString(MAC_AND_NAME_KEY, "")
         } else if (string == MAC_KEY) {
             return sharedPreferences.getString(MAC_KEY, "")
+        } else if (string == NAME_KEY) {
+            return sharedPreferences.getString(NAME_KEY, "")
         }
         return ""
     }
@@ -456,21 +479,29 @@ object BtUtils {
      * @param mac 设备MAC
      * @param context 上下文
      */
-    fun changeConnectMacAndName(context: Context, device: MutableList<DeviceJson>) {
+    fun changeConnectMacAndName(
+        context: Context,
+        device: MutableList<DeviceJson>,
+        list: MutableList<String>
+    ) {
         val sharedPreferences: SharedPreferences =
             context.getSharedPreferences(SP_DEVICE_NAME, Context.MODE_PRIVATE)
         val edit = sharedPreferences.edit()
         var deviceMacList: ArrayList<String> = ArrayList()
         var deviceNameList: ArrayList<String> = ArrayList()
+        var seatNameList: ArrayList<String> = ArrayList()
         val gson = Gson()
         deviceMacList.clear()
         deviceNameList.clear()
+        seatNameList.clear()
         var i = 0
         for (s in device) {
             deviceMacList.add(device.get(i).mac)
             deviceNameList.add(device.get(i).name)
+            seatNameList.add(list.get(i))
             edit.putString(MAC_AND_NAME_KEY, gson.toJson(deviceNameList))
             edit.putString(MAC_KEY, gson.toJson(deviceMacList))
+            edit.putString(NAME_KEY, gson.toJson(seatNameList))
             i++
         }
 
diff --git a/commonbt/src/main/java/com/common/bluetooth/utils/ToastUtil.kt b/commonbt/src/main/java/com/common/bluetooth/utils/ToastUtil.kt
new file mode 100644
index 0000000..35de24e
--- /dev/null
+++ b/commonbt/src/main/java/com/common/bluetooth/utils/ToastUtil.kt
@@ -0,0 +1,29 @@
+package com.common.bluetooth.utils
+
+import android.content.Context
+import android.view.LayoutInflater
+import android.widget.TextView
+import android.widget.Toast
+import com.common.bluetooth.R
+
+/**
+ * toast工具类
+ */
+class ToastUtil {
+
+    companion object {
+        /**
+         * 展示自定义背景和信息的toast
+         */
+        fun showCustomToast(context: Context, msg: String) {
+            val view = LayoutInflater.from(context).inflate(R.layout.my_toast_layout, null, false)
+            val textView = view.findViewById<TextView>(R.id.tv_toast_msg)
+            textView.text = msg
+            var toast: Toast = Toast(context)
+            toast.duration = Toast.LENGTH_SHORT
+            toast.view = view
+            toast.show()
+        }
+
+    }
+}
\ No newline at end of file
diff --git a/commonbt/src/main/java/com/common/bluetooth/view/BtDeviceListAdapter.java b/commonbt/src/main/java/com/common/bluetooth/view/BtDeviceListAdapter.java
index 1fb62df..ab42f3e 100644
--- a/commonbt/src/main/java/com/common/bluetooth/view/BtDeviceListAdapter.java
+++ b/commonbt/src/main/java/com/common/bluetooth/view/BtDeviceListAdapter.java
@@ -33,13 +33,13 @@ public class BtDeviceListAdapter extends RecyclerView.Adapter<BtDeviceListAdapte
 
     @NonNull
     @Override
-    public BtViewHolder onCreateViewHolder(@NonNull ViewGroup parent, int viewType) {
+    public BtDeviceListAdapter.BtViewHolder onCreateViewHolder(@NonNull ViewGroup parent, int viewType) {
         mBinding = RvBtDeviceItemBinding.inflate(LayoutInflater.from(context));
         return new BtViewHolder(mBinding);
     }
 
     @Override
-    public void onBindViewHolder(@NonNull BtViewHolder holder, int position) {
+    public void onBindViewHolder(@NonNull BtDeviceListAdapter.BtViewHolder holder, int position) {
         final int currentIndex = position;
         BluetoothDevice device = bluetoothDevices.get(position);
         holder.binding.btDeviceNameTv.setText("Device Name:" + device.getName());
diff --git a/commonbt/src/main/res/drawable/custom_toast_layout.xml b/commonbt/src/main/res/drawable/custom_toast_layout.xml
new file mode 100644
index 0000000..192fa92
--- /dev/null
+++ b/commonbt/src/main/res/drawable/custom_toast_layout.xml
@@ -0,0 +1,12 @@
+<?xml version="1.0" encoding="utf-8"?>
+<shape xmlns:android="http://schemas.android.com/apk/res/android"
+    android:shape="rectangle">
+    <solid android:color="@color/color_E6565D65" />
+    <corners android:radius="4dp" />
+    <padding
+        android:bottom="15dp"
+        android:left="52dp"
+        android:right="52dp"
+        android:top="15dp" />
+
+</shape>
\ No newline at end of file
diff --git a/commonbt/src/main/res/layout/my_toast_layout.xml b/commonbt/src/main/res/layout/my_toast_layout.xml
new file mode 100644
index 0000000..57627ab
--- /dev/null
+++ b/commonbt/src/main/res/layout/my_toast_layout.xml
@@ -0,0 +1,19 @@
+<?xml version="1.0" encoding="utf-8"?>
+<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent">
+
+    <TextView
+        android:id="@+id/tv_toast_msg"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:background="@drawable/custom_toast_layout"
+        android:textColor="@color/white"
+        android:textSize="18dp"
+        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintLeft_toLeftOf="parent"
+        app:layout_constraintRight_toRightOf="parent"
+        app:layout_constraintTop_toTopOf="parent" />
+
+</androidx.constraintlayout.widget.ConstraintLayout>
\ No newline at end of file
diff --git a/commonbt/src/main/res/values/colors.xml b/commonbt/src/main/res/values/colors.xml
index df7101c..a6f5367 100644
--- a/commonbt/src/main/res/values/colors.xml
+++ b/commonbt/src/main/res/values/colors.xml
@@ -18,4 +18,5 @@
     <color name="composing_color">#ff000000</color>
     <color name="composing_color_hl">#ffffffff</color>
     <color name="composing_color_idle">#ff777777</color>
+    <color name="color_E6565D65">#E6565D65</color>
 </resources>
\ No newline at end of file
diff --git a/commonbt/src/main/res/values/styles.xml b/commonbt/src/main/res/values/styles.xml
index 2723a84..7a11c27 100644
--- a/commonbt/src/main/res/values/styles.xml
+++ b/commonbt/src/main/res/values/styles.xml
@@ -1,5 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
 <resources>
+
     <style name="Progress.Dialog" parent="@android:style/Theme.Holo.Light.Dialog">
         <item name="android:windowBackground">@android:color/transparent</item>
         <item name="android:windowAnimationStyle">@android:style/Animation.Dialog</item>
@@ -7,4 +8,12 @@
         <item name="android:windowIsFloating">true</item>
         <item name="android:backgroundDimEnabled">true</item>
     </style>
+
+    <style name="PregressCircle" parent="@android:style/Widget.ProgressBar.Large">
+        <item name="android:maxWidth">72dp</item>
+        <item name="minWidth">72dp</item>
+        <item name="android:maxHeight">72dp</item>
+        <item name="minHeight">72dp</item>
+        <item name="android:indeterminateDuration">800</item>
+    </style>
 </resources>
\ No newline at end of file