diff --git a/CHANGELOG.md b/CHANGELOG.md
index 1ec9a0a..367bbc0 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,10 @@
 # CHANGELOG
 
+## [1.1.0]
+
+* performance enhanced.
+* add initAlignment.
+
 ## [1.0.1-nullsafety.1]
 
 * add logger.
diff --git a/example/lib/main.dart b/example/lib/main.dart
index 266fb7a..bd5ac00 100644
--- a/example/lib/main.dart
+++ b/example/lib/main.dart
@@ -39,7 +39,7 @@ class _MyHomePageState extends State<MyHomePage> {
     NetTool.dio.get(
         "https://www.baidu.com/img/PCtm_d9c8750bed0b3c7d089fa7d55720d6cf.png");
     PowerLogger.start(context);
-    LoggerData.addData('TEST');
+    LoggerData.addData('TEST', tag: 'TAG');
   }
 
   bool loading = false;
@@ -77,7 +77,7 @@ class _MyHomePageState extends State<MyHomePage> {
             : () async {
                 loading = true;
                 setState(() {});
-                await NetTool.dio.get(_textController.text);
+                await NetTool.dio.get(_textController.text).catchError((e) {});
                 loading = false;
                 setState(() {});
               },
diff --git a/example/pubspec.lock b/example/pubspec.lock
index caf273d..bbf15de 100644
--- a/example/pubspec.lock
+++ b/example/pubspec.lock
@@ -171,7 +171,7 @@ packages:
       path: ".."
       relative: true
     source: path
-    version: "1.0.1-nullsafety.1"
+    version: "1.1.0"
   sky_engine:
     dependency: transitive
     description: flutter
diff --git a/lib/external_lib/pretty_json.dart b/lib/external_lib/pretty_json.dart
index 9831967..67b87ee 100644
--- a/lib/external_lib/pretty_json.dart
+++ b/lib/external_lib/pretty_json.dart
@@ -4,4 +4,4 @@ String prettyJson(dynamic json, {int indent = 2}) {
   var spaces = ' ' * indent;
   var encoder = JsonEncoder.withIndent(spaces);
   return encoder.convert(json);
-}
\ No newline at end of file
+}
diff --git a/lib/src/builders/dio_error_builder.dart b/lib/src/builders/dio_error_builder.dart
index e3993c7..cd2e8af 100644
--- a/lib/src/builders/dio_error_builder.dart
+++ b/lib/src/builders/dio_error_builder.dart
@@ -5,7 +5,9 @@ import 'package:power_logger/src/view/dio_error_view.dart';
 ///Dio Error builder
 class DioErrorBuilder extends StatefulWidget {
   final DioError data;
-  DioErrorBuilder({Key? key, required this.data}) : super(key: key);
+  final DateTime date;
+  DioErrorBuilder({Key? key, required this.data, required this.date})
+      : super(key: key);
 
   @override
   _DioErrorBuilderState createState() => _DioErrorBuilderState();
@@ -54,7 +56,7 @@ class _DioErrorBuilderState extends State<DioErrorBuilder> {
               ),
             ),
             subtitle: Text(
-              widget.data.message,
+              '${widget.data.message}\n${widget.date}',
               style: TextStyle(
                 color: Colors.black45,
                 fontWeight: FontWeight.w300,
diff --git a/lib/src/builders/dio_responses_builder.dart b/lib/src/builders/dio_responses_builder.dart
index 61b2280..154d0d3 100644
--- a/lib/src/builders/dio_responses_builder.dart
+++ b/lib/src/builders/dio_responses_builder.dart
@@ -5,7 +5,9 @@ import 'package:power_logger/src/view/dio_response_view.dart';
 /// Dio Response Builder
 class DioResponseBuilder extends StatefulWidget {
   final Response data;
-  DioResponseBuilder({Key? key,required this.data}) : super(key: key);
+  final DateTime date;
+  DioResponseBuilder({Key? key, required this.data, required this.date})
+      : super(key: key);
 
   @override
   _DioResponseBuilderState createState() => _DioResponseBuilderState();
@@ -32,6 +34,7 @@ class _DioResponseBuilderState extends State<DioResponseBuilder> {
             color: Colors.black87,
           ),
         ),
+        subtitle: Text(widget.date.toString()),
         trailing: Row(
           mainAxisSize: MainAxisSize.min,
           children: [
diff --git a/lib/src/data/logger_data.dart b/lib/src/data/logger_data.dart
index 0dfa8df..c5ac1c3 100644
--- a/lib/src/data/logger_data.dart
+++ b/lib/src/data/logger_data.dart
@@ -1,5 +1,6 @@
 import 'package:flutter/foundation.dart';
 import 'package:logger/logger.dart';
+
 import 'package:power_logger/power_logger.dart';
 
 /// logger data storage
@@ -15,10 +16,10 @@ class LoggerData {
   static Logger _logger = Logger();
 
   /// the real logger data.
-  static List<dynamic> get data => _listenableData.value;
+  static List<LoggerInnerData> get data => _listenableData.value;
 
-  static _LoggerDataNotifer<List<dynamic>> _listenableData =
-      _LoggerDataNotifer([]);
+  static _LoggerDataNotifer<List<LoggerInnerData>> _listenableData =
+      _LoggerDataNotifer<List<LoggerInnerData>>([]);
 
   /// set the logger max number.
   static setMax(int max) {
@@ -26,14 +27,20 @@ class LoggerData {
   }
 
   /// add data to logger
-  static addData(dynamic data) {
+  static addData(dynamic data, {String? tag}) {
     if (PowerLogger.debug) {
       if (_listenableData.value.length < _maxLength) {
-        _listenableData.value.insert(0, data);
+        _listenableData.value.insert(
+          0,
+          LoggerInnerData(rawData: data, date: DateTime.now(), tag: tag),
+        );
         _listenableData.notify();
       } else {
         _listenableData.value.removeLast();
-        _listenableData.value.insert(0, data);
+        _listenableData.value.insert(
+          0,
+          LoggerInnerData(rawData: data, date: DateTime.now(), tag: tag),
+        );
         _listenableData.notify();
       }
     }
@@ -56,6 +63,17 @@ class LoggerData {
 }
 
 class _LoggerDataNotifer<T> extends ValueNotifier {
-  _LoggerDataNotifer(value) : super(value);
+  _LoggerDataNotifer(T value) : super(value);
   notify() => this.notifyListeners();
 }
+
+class LoggerInnerData {
+  final dynamic? rawData;
+  final DateTime date;
+  final String? tag;
+  LoggerInnerData({
+    required this.rawData,
+    required this.date,
+    this.tag,
+  });
+}
diff --git a/lib/src/parser/data_parser.dart b/lib/src/parser/data_parser.dart
index a5a0c7a..ed5edcd 100644
--- a/lib/src/parser/data_parser.dart
+++ b/lib/src/parser/data_parser.dart
@@ -1,14 +1,23 @@
 import 'package:dio/dio.dart';
 import 'package:flutter/material.dart';
+import 'package:power_logger/power_logger.dart';
 import 'package:power_logger/src/builders/dio_responses_builder.dart';
 import 'package:power_logger/src/builders/dio_error_builder.dart';
 import 'package:power_logger/src/parser/unfocus_parser.dart';
 
 ///LoggerDataParser
 class LoggerDataParser {
-  static Widget builder(dynamic data) {
-    if (data is DioError) return DioErrorBuilder(data: data);
-    if (data is Response) return DioResponseBuilder(data: data);
-    return UnfocusParser(data: data);
+  static Widget builder(LoggerInnerData data) {
+    if (data.rawData is DioError)
+      return DioErrorBuilder(
+        data: data.rawData,
+        date: data.date,
+      );
+    if (data.rawData is Response)
+      return DioResponseBuilder(
+        data: data.rawData,
+        date: data.date,
+      );
+    return UnfocusParser(data: data.rawData, tag: data.tag);
   }
 }
diff --git a/lib/src/parser/unfocus_parser.dart b/lib/src/parser/unfocus_parser.dart
index 70ddbc2..e57892d 100644
--- a/lib/src/parser/unfocus_parser.dart
+++ b/lib/src/parser/unfocus_parser.dart
@@ -3,7 +3,9 @@ import 'package:flutter/material.dart';
 /// UnfocusParser
 class UnfocusParser extends StatelessWidget {
   final dynamic data;
-  const UnfocusParser({Key? key, required this.data}) : super(key: key);
+  final String? tag;
+  const UnfocusParser({Key? key, required this.data, this.tag})
+      : super(key: key);
 
   @override
   Widget build(BuildContext context) {
@@ -24,7 +26,7 @@ class UnfocusParser extends StatelessWidget {
           maxLines: 1,
         ),
         trailing: Chip(
-          label: Text(data.runtimeType.toString()),
+          label: Text(tag ?? data.runtimeType.toString()),
         ),
       ),
     );
diff --git a/lib/src/power_logger.dart b/lib/src/power_logger.dart
index 0f18b15..e6cfb8f 100644
--- a/lib/src/power_logger.dart
+++ b/lib/src/power_logger.dart
@@ -5,6 +5,10 @@ class PowerLogger {
   /// debug tag
   static bool debug = true;
 
+  static OverlayEntry? entry;
+
+  static late BuildContext globalContext;
+
   ///初始化
   ///
   ///默认开启debug
@@ -15,7 +19,8 @@ class PowerLogger {
   @Deprecated("use PowerLogger.start")
   static init(BuildContext context, {bool debug = true}) {
     PowerLogger.debug = debug;
-    if (debug) if (debug) _insertToOverlay(context);
+    globalContext = context;
+    if (debug) if (debug) _insertToOverlay();
   }
 
   ///初始化
@@ -25,18 +30,33 @@ class PowerLogger {
   ///```dart
   ///PowerLogger.start(context,debug:true);
   ///```
-  static start(BuildContext context, {bool debug = true}) {
+  static start(
+    BuildContext context, {
+    bool debug = true,
+    Alignment initAlignment = Alignment.center,
+  }) {
     WidgetsBinding.instance!.addPostFrameCallback((_) {
       PowerLogger.debug = debug;
-      if (debug) _insertToOverlay(context);
+      globalContext = context;
+      if (debug) _insertToOverlay(initAlignment: initAlignment);
     });
   }
 
-  static _insertToOverlay(BuildContext context) {
-    Overlay.of(context)!.insert(OverlayEntry(
+  static _insertToOverlay({Alignment initAlignment = Alignment.center}) {
+    entry = OverlayEntry(
       builder: (context) {
-        return LoggerFab();
+        return LoggerFab(initAlignment: initAlignment);
       },
-    ));
+    );
+    Overlay.of(globalContext)!.insert(entry!);
+  }
+
+  static insertToOverlay({Alignment initAlignment = Alignment.center}) =>
+      _insertToOverlay(
+        initAlignment: initAlignment,
+      );
+
+  static removeFromOverlay() {
+    if (entry != null) entry!.remove();
   }
 }
diff --git a/lib/src/views/info_view.dart b/lib/src/views/info_view.dart
index f8ca8c7..2667414 100644
--- a/lib/src/views/info_view.dart
+++ b/lib/src/views/info_view.dart
@@ -119,7 +119,8 @@ class _InfoViewState extends State<InfoView>
       _buildTile('incremental', androidInfo!.version.incremental),
       _buildTile('release', androidInfo!.version.release),
       _buildTile('securityPatch', androidInfo!.version.securityPatch),
-      _buildTile('previewSdkInt', androidInfo!.version.previewSdkInt.toString()),
+      _buildTile(
+          'previewSdkInt', androidInfo!.version.previewSdkInt.toString()),
       _buildTile('sdkInt', androidInfo!.version.sdkInt.toString()),
       _buildTile('systemFeatures', androidInfo!.systemFeatures.join('\n')),
     ]));
diff --git a/lib/src/widgets/logger_fab.dart b/lib/src/widgets/logger_fab.dart
index 5fd3ca9..a4fc2b2 100644
--- a/lib/src/widgets/logger_fab.dart
+++ b/lib/src/widgets/logger_fab.dart
@@ -1,22 +1,25 @@
 import 'package:flutter/material.dart';
 import 'package:flutter/physics.dart';
+import 'package:power_logger/power_logger.dart';
 import 'package:power_logger/src/power_logger_view.dart';
 
 class LoggerFab extends StatefulWidget {
-  LoggerFab({Key? key}) : super(key: key);
+  final Alignment initAlignment;
+  LoggerFab({Key? key, this.initAlignment = Alignment.center})
+      : super(key: key);
 
   @override
-  _LoggerFabState createState() => _LoggerFabState();
+  LoggerFabState createState() => LoggerFabState();
 }
 
-class _LoggerFabState extends State<LoggerFab>
+class LoggerFabState extends State<LoggerFab>
     with SingleTickerProviderStateMixin {
-  bool showSubPage = false;
   AnimationController? _animationController;
-  var _dragAlignment = Alignment.center;
+  late Alignment _dragAlignment;
   late Animation<Alignment> _animation;
   final _spring =
       const SpringDescription(mass: 15, stiffness: 1000, damping: 0.7);
+  Alignment get alignment => _dragAlignment;
 
   double _normalizeVelocity(Offset velocity, Size size) {
     final normalizedVelocity = Offset(
@@ -50,6 +53,7 @@ class _LoggerFabState extends State<LoggerFab>
   @override
   void initState() {
     super.initState();
+    _dragAlignment = widget.initAlignment;
     _animationController = AnimationController.unbounded(vsync: this)
       ..addListener(() => setState(() => _dragAlignment = _animation.value));
   }
@@ -65,29 +69,24 @@ class _LoggerFabState extends State<LoggerFab>
     final size = MediaQuery.of(context).size;
     return Align(
       alignment: _dragAlignment,
-      child: AnimatedOpacity(
-        duration: Duration(milliseconds: 300),
-        opacity: showSubPage ? 0 : 1,
-        child: GestureDetector(
-          onPanStart: (details) => _animationController!.stop(canceled: true),
-          onPanUpdate: (details) => setState(() => _dragAlignment += Alignment(
-                details.delta.dx / (size.width / 2),
-                details.delta.dy / (size.height / 2),
-              )),
-          onPanEnd: (details) =>
-              _runAnimation(details.velocity.pixelsPerSecond, size),
-          onTap: showSubPage
-              ? null
-              : () async {
-                  showSubPage = true;
-                  await Navigator.push(
-                    context,
-                    MaterialPageRoute(builder: (context) => PowerLoggerView()),
-                  );
-                  showSubPage = false;
-                },
-          child: const _FabButton(),
-        ),
+      child: GestureDetector(
+        onPanStart: (details) => _animationController!.stop(canceled: true),
+        onPanUpdate: (details) => setState(() => _dragAlignment += Alignment(
+              details.delta.dx / (size.width / 2),
+              details.delta.dy / (size.height / 2),
+            )),
+        onPanEnd: (details) =>
+            _runAnimation(details.velocity.pixelsPerSecond, size),
+        onTap: () async {
+          Alignment initAlignment = _dragAlignment;
+          PowerLogger.removeFromOverlay();
+          await Navigator.push(
+            context,
+            MaterialPageRoute(builder: (context) => PowerLoggerView()),
+          );
+          PowerLogger.insertToOverlay(initAlignment: initAlignment);
+        },
+        child: const _FabButton(),
       ),
     );
   }
diff --git a/pubspec.yaml b/pubspec.yaml
index 0cea5b6..b14a681 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -1,6 +1,6 @@
 name: power_logger
 description: A well log tool on flutter, support Dio and custom type data.
-version: 1.0.1-nullsafety.1
+version: 1.1.0
 homepage: https://github.com/laiiihz/power_logger
 
 environment:
@@ -10,7 +10,7 @@ environment:
 dependencies:
   flutter:
     sdk: flutter
-  dio: ^4.0.0-prev3
+  dio: ^4.0.0
   flutter_highlight: ^0.7.0
   device_info: ^2.0.0
   package_info: ^2.0.0