diff --git a/star_lock/lib/blue/io_tool/io_tool.dart b/star_lock/lib/blue/io_tool/io_tool.dart
index 45e2a442..7f080dca 100644
--- a/star_lock/lib/blue/io_tool/io_tool.dart
+++ b/star_lock/lib/blue/io_tool/io_tool.dart
@@ -17,38 +17,57 @@ String uint8ToHex(Uint8List byteArr) {
     return "";
   }
   Uint8List result = Uint8List(byteArr.length << 1);
-  var hexTable = ['0', '1', '2', '3', '4', '5', '6', '7', '8', '9', 'A', 'B', 'C', 'D', 'E', 'F']; //16进制字符表
+  var hexTable = [
+    '0',
+    '1',
+    '2',
+    '3',
+    '4',
+    '5',
+    '6',
+    '7',
+    '8',
+    '9',
+    'A',
+    'B',
+    'C',
+    'D',
+    'E',
+    'F'
+  ]; //16进制字符表
   for (var i = 0; i < byteArr.length; i++) {
     var bit = byteArr[i]; //取传入的byteArr的每一位
     var index = bit >> 4 & 15; //右移4位,取剩下四位
     var i2 = i << 1; //byteArr的每一位对应结果的两位,所以对于结果的操作位数要乘2
     result[i2] = hexTable[index].codeUnitAt(0); //左边的值取字符表,转为Unicode放进resut数组
     index = bit & 15; //取右边四位
-    result[i2 + 1] = hexTable[index].codeUnitAt(0); //右边的值取字符表,转为Unicode放进resut数组
+    result[i2 + 1] =
+        hexTable[index].codeUnitAt(0); //右边的值取字符表,转为Unicode放进resut数组
   }
   return String.fromCharCodes(result); //Unicode转回为对应字符,生成字符串返回
 }
 
 //TODO:int->两个字节 List 低字节在前，高字节在后(大端存储)=>嵌入式小端接收(协议用到)
 
-int byteInt8(List<int> dataDetail, int index)=>_toInt8(dataDetail[index]);
-int _toInt8(int value){
+int byteInt8(List<int> dataDetail, int index) => _toInt8(dataDetail[index]);
+int _toInt8(int value) {
   var buffer = Int8List(4).buffer;
   var bData = ByteData.view(buffer);
   bData.setInt8(0, value);
   return bData.getInt8(0);
 }
 
-int byteInt16(List<int> dataDetail, int index)=>_byteInt16(dataDetail, index);
-int _byteInt16(List<int> dataDetail, int index){
-  if(checkListIndex(dataDetail, index, 2)){
+int byteInt16(List<int> dataDetail, int index) => _byteInt16(dataDetail, index);
+int _byteInt16(List<int> dataDetail, int index) {
+  if (checkListIndex(dataDetail, index, 2)) {
     return 0;
   }
 
-  int value = (dataDetail[index +1] & 0xff) << 8 | (dataDetail[index] & 0xff);
+  int value = (dataDetail[index + 1] & 0xff) << 8 | (dataDetail[index] & 0xff);
   return _toInt16(value);
 }
-int _toInt16(int value){
+
+int _toInt16(int value) {
   var buffer = Int16List(1).buffer;
   var bData = ByteData.view(buffer);
   bData.setInt16(0, value);
@@ -56,18 +75,19 @@ int _toInt16(int value){
   return outputValue;
 }
 
-int byteInt32(List<int> dataDetail, int index)=>_byteInt32(dataDetail, index);
-int _byteInt32(List<int> dataDetail, int index){
-  if(checkListIndex(dataDetail, index, 4)){
+int byteInt32(List<int> dataDetail, int index) => _byteInt32(dataDetail, index);
+int _byteInt32(List<int> dataDetail, int index) {
+  if (checkListIndex(dataDetail, index, 4)) {
     return 0;
   }
-  int value = ((0xFF &
-  dataDetail[(index + 3)]) << 24 | (0xFF &
-  dataDetail[index + 2]) << 16 | (0xFF & dataDetail[index + 1]) << 8 | 0xFF &
-  dataDetail[index]);
+  int value = ((0xFF & dataDetail[(index + 3)]) << 24 |
+      (0xFF & dataDetail[index + 2]) << 16 |
+      (0xFF & dataDetail[index + 1]) << 8 |
+      0xFF & dataDetail[index]);
   return _toInt32(value);
 }
-int _toInt32(int value){
+
+int _toInt32(int value) {
   var buffer = Int32List(2).buffer;
   var bData = ByteData.view(buffer);
   bData.setInt32(0, value);
@@ -75,51 +95,54 @@ int _toInt32(int value){
   return outputValue;
 }
 
-List<int> intToInt8List(int value) =>[value];
+List<int> intToInt8List(int value) => [value];
 
-List<int> intToByte2ListHigh(int value) => [value,value >> 8];
+List<int> intToByte2ListHigh(int value) => [value, value >> 8];
 
 //TODO:int->4个字节List 低字节在前，高字节在后(大端存储) 1byte = 8bit
-List<int> intToByte4ListHigh(int value) => [value, value >> 8, value >> 16, value >> 24];
+List<int> intToByte4ListHigh(int value) =>
+    [value, value >> 8, value >> 16, value >> 24];
 
-int byteUInt8(List<int> dataDetail, int index)=>_toUInt8(dataDetail[index]);
-int _toUInt8(int value){
+int byteUInt8(List<int> dataDetail, int index) => _toUInt8(dataDetail[index]);
+int _toUInt8(int value) {
   var buffer = Int8List(1).buffer;
   var bData = ByteData.view(buffer);
   bData.setInt8(0, value);
   return bData.getUint8(0);
 }
 
-int byteUInt16(List<int> dataDetail, int index)=>_byteUInt16(dataDetail, index);
-_byteUInt16(List<int> dataDetail, int index){
-  if(checkListIndex(dataDetail, index, 2)){
+int byteUInt16(List<int> dataDetail, int index) =>
+    _byteUInt16(dataDetail, index);
+_byteUInt16(List<int> dataDetail, int index) {
+  if (checkListIndex(dataDetail, index, 2)) {
     return 0;
   }
   int value = (dataDetail[index + 1]) << 8 | dataDetail[index];
   return _toUInt16(value);
 }
-int _toUInt16(int value){
+
+int _toUInt16(int value) {
   var buffer = Uint16List(2).buffer;
   var bData = ByteData.view(buffer);
   bData.setInt16(0, value);
   return bData.getUint16(0);
 }
 
+int byteUInt32(List<int> dataDetail, int index) =>
+    _byteUInt32(dataDetail, index);
 
-int byteUInt32(List<int> dataDetail, int index)=>_byteUInt32(dataDetail, index);
-
-int _byteUInt32(List<int> dataDetail, int index){
-  if(checkListIndex(dataDetail, index, 4)){
+int _byteUInt32(List<int> dataDetail, int index) {
+  if (checkListIndex(dataDetail, index, 4)) {
     return 0;
   }
-  int value = ((0xFF &
-  dataDetail[(index + 3)]) << 24 | (0xFF &
-  dataDetail[index + 2]) << 16 | (0xFF & dataDetail[index + 1]) << 8 | 0xFF &
-  dataDetail[index]);
+  int value = ((0xFF & dataDetail[(index + 3)]) << 24 |
+      (0xFF & dataDetail[index + 2]) << 16 |
+      (0xFF & dataDetail[index + 1]) << 8 |
+      0xFF & dataDetail[index]);
   return _toUInt32(value);
 }
 
-int _toUInt32(int value){
+int _toUInt32(int value) {
   var buffer = Int32List(2).buffer;
   var bData = ByteData.view(buffer);
   bData.setInt32(0, value);
@@ -127,84 +150,101 @@ int _toUInt32(int value){
   return outputValue;
 }
 
-bool checkListIndex(List<int> dataDetail, int index, int offsetLength){
-  if(dataDetail == null){
+bool checkListIndex(List<int> dataDetail, int index, int offsetLength) {
+  if (dataDetail == null) {
     print('❌解析 dataDetail == null');
     return true;
   }
   var len = dataDetail.length;
   bool result = index + offsetLength > len;
-  if(result){
-  }
+  if (result) {}
   return result;
 }
 
-int checkSum(List<int> data)  {
+int checkSum(List<int> data) {
   int sum = 0;
-  for(int v in data){
+  for (int v in data) {
     sum ^= v;
   }
   return sum;
 }
 
-Future<List<int>> loadAssetsFile(String assetsPath) async{
-  var byteData =  await rootBundle.load(assetsPath);
+Future<List<int>> loadAssetsFile(String assetsPath) async {
+  var byteData = await rootBundle.load(assetsPath);
   return byteData.buffer.asUint8List().toList();
 }
 
+//获取截取后的数组
+List<List<T>> splitList<T>(List<T> list, int len) {
+  if (len <= 1) {
+    return [list];
+  }
 
-//TODO:获取数据包分包后包的数量
-int getPackageCount(List<int> data,{required int averageLen}){
-  int len = data.length;
-  return len%averageLen > 0 ? (len~/averageLen + 1) : len~/averageLen;
+  List<List<T>> result = [];
+  int index = 1;
+
+  while (true) {
+    if (index * len < list.length) {
+      List<T> temp = list.skip((index - 1) * len).take(len).toList();
+      result.add(temp);
+      index++;
+      continue;
+    }
+    List<T> temp = list.skip((index - 1) * len).toList();
+    result.add(temp);
+    break;
+  }
+  return result;
 }
 
-List<int>  getSubData({
-  required int index,
-  required int average,
-  required List<int> data
-}){
-  if(data.isEmpty){
+//TODO:获取数据包分包后包的数量
+int getPackageCount(List<int> data, {required int averageLen}) {
+  int len = data.length;
+  return len % averageLen > 0 ? (len ~/ averageLen + 1) : len ~/ averageLen;
+}
+
+List<int> getSubData(
+    {required int index, required int average, required List<int> data}) {
+  if (data.isEmpty) {
     return [];
   }
   int totalLength = data.length;
-  if(average >= totalLength){
+  if (average >= totalLength) {
     return data;
   }
 
-  if(index*average > totalLength){
-    if((index -  1)*average > totalLength){
+  if (index * average > totalLength) {
+    if ((index - 1) * average > totalLength) {
       return [];
-    }else{
-      int tempCount = average*(index - 1);
-      return data.sublist(tempCount,totalLength);
+    } else {
+      int tempCount = average * (index - 1);
+      return data.sublist(tempCount, totalLength);
     }
-  }else{
-    return data.sublist(average*(index - 1),average*index);
+  } else {
+    return data.sublist(average * (index - 1), average * index);
   }
 }
 
-List<int> reverseList(List<int> srcData){
+List<int> reverseList(List<int> srcData) {
   print('srcData:$srcData'); //[1,3]
   int srcLen = srcData.length;
-  int halfLen = srcLen ~/2;
+  int halfLen = srcLen ~/ 2;
   List<int> dstData = [];
   dstData.addAll(srcData);
-  for(int i =0; i < halfLen; i++){
+  for (int i = 0; i < halfLen; i++) {
     int begin = i;
-    int end = srcLen-i-1;
-    List<int> beginData = srcData.sublist(begin,begin+1);
-    List<int> endData = srcData.sublist(end,end + 1);
-    dstData.replaceRange(begin, begin+1, endData);
-    dstData.replaceRange(end, end+1, beginData);
+    int end = srcLen - i - 1;
+    List<int> beginData = srcData.sublist(begin, begin + 1);
+    List<int> endData = srcData.sublist(end, end + 1);
+    dstData.replaceRange(begin, begin + 1, endData);
+    dstData.replaceRange(end, end + 1, beginData);
   }
   print('dstData:$dstData');
   return dstData;
 }
 
 //TODO:int->两个字节 List 高字节在前，低字节在后(小端存储) 本工程只有配置 WiFi用到的!!!!
-List<int> intToByte2ListLow(int value) =>[value >> 8,value];
-
+List<int> intToByte2ListLow(int value) => [value >> 8, value];
 
 int dealWeekDays({
   required int mon,
@@ -214,37 +254,37 @@ int dealWeekDays({
   required int fri,
   required int sat,
   required int sun,
-}){
+}) {
   return mon + tue * 2 + wed * 4 + thu * 8 + fri * 16 + sat * 32 + sun * 64;
 }
 
-String radixString(List<int> codeUnits){
+String radixString(List<int> codeUnits) {
   String result = '';
-  codeUnits.forEach((value){
-    result += value.toRadixString(16).padLeft(2,'0');
+  codeUnits.forEach((value) {
+    result += value.toRadixString(16).padLeft(2, '0');
   });
   return result;
 }
 
-String asciiString(List<int> codeUnits){
+String asciiString(List<int> codeUnits) {
   String result = '';
-  codeUnits.forEach((value){
+  codeUnits.forEach((value) {
     result += String.fromCharCode(value);
   });
   return result;
 }
 
-String utf8String(List<int> codeUnits){
+String utf8String(List<int> codeUnits) {
   return utf8.decode(codeUnits);
 }
 
-bool compareTwoList({List<int>? list1,List<int>? list2})  {
-  if(list1!.length != list2!.length)return false;
+bool compareTwoList({List<int>? list1, List<int>? list2}) {
+  if (list1!.length != list2!.length) return false;
   int ctn = list1.length;
-  for(int i = 0; i < ctn;i++){
+  for (int i = 0; i < ctn; i++) {
     int v1 = list1[i];
     int v2 = list2[i];
-    if(v1 != v2){
+    if (v1 != v2) {
       print('不包含 $i');
       return false;
     }
@@ -252,4 +292,4 @@ bool compareTwoList({List<int>? list1,List<int>? list2})  {
   return true;
 }
 
-List<int> encodeStringToInt(String input)=>utf8.encode(input);
\ No newline at end of file
+List<int> encodeStringToInt(String input) => utf8.encode(input);