diff --git a/example/android/app/src/main/java/cn/zhios/zhiying_comm_example/MainActivity.java b/example/android/app/src/main/java/cn/zhios/zhiying_comm_example/MainActivity.java
index 15e7451..488f076 100644
--- a/example/android/app/src/main/java/cn/zhios/zhiying_comm_example/MainActivity.java
+++ b/example/android/app/src/main/java/cn/zhios/zhiying_comm_example/MainActivity.java
@@ -1,5 +1,6 @@
 package cn.zhios.zhiying_comm_example;
 
+import cn.zhios.zhiying_comm.ZhiyingCommPlugin;
 import cn.zhios.zhiying_comm.ZhiyingFlutterCommHandler;
 import cn.zhios.zhiying_comm.ZhiyingFlutterCommNativable;
 import cn.zhios.zhiying_comm.ZhiyingFlutterCommNative;
@@ -9,18 +10,20 @@ import java.util.HashMap;
 import java.util.Map;
 
 import androidx.annotation.NonNull;
+
 import io.flutter.embedding.android.FlutterActivity;
 import io.flutter.embedding.engine.FlutterEngine;
 import io.flutter.plugins.GeneratedPluginRegistrant;
 
 public class MainActivity extends FlutterActivity implements ZhiyingFlutterCommNativable {
-  @Override
-  public void configureFlutterEngine(@NonNull FlutterEngine flutterEngine) {
-    GeneratedPluginRegistrant.registerWith(flutterEngine);
-    ZhiyingFlutterCommNative.getInstance().regist((ZhiyingFlutterCommNativable) this);
-  }
+    @Override
+    public void configureFlutterEngine(@NonNull FlutterEngine flutterEngine) {
+        GeneratedPluginRegistrant.registerWith(flutterEngine);
+        ZhiyingFlutterCommNative.getInstance().regist(this);
+    }
 
-  boolean localDebug = false;
+
+    boolean localDebug = false;
 
     @Override
     public void openPage(Map params) {
@@ -35,13 +38,21 @@ public class MainActivity extends FlutterActivity implements ZhiyingFlutterCommN
     @Override
     public Map getSetting() {
         Map map = new HashMap();
-        map.put("domain", "http://120.76.175.204:8989");
+        map.put("domain", "http://192.168.0.113:5000"); //"http://120.76.175.204:8989");
+        map.put("master_id", "123456");
+        map.put("secret_key", "123456");
+        map.put("token", "123465");
         return map;
     }
 
     @Override
     public void invokeMethod(String method, Map<String, Object> params, ZhiyingFlutterCommHandler handler) {
-        return ;
+        return;
     }
 
+    @Override
+    protected void onDestroy() {
+        super.onDestroy();
+        ZhiyingFlutterCommNative.getInstance().unregist();
+    }
 }
diff --git a/example/lib/device_info_page.dart b/example/lib/device_info_page.dart
new file mode 100644
index 0000000..3cd16d9
--- /dev/null
+++ b/example/lib/device_info_page.dart
@@ -0,0 +1,144 @@
+import 'dart:async';
+
+import 'dart:io';
+import 'dart:ui';
+import 'package:flutter/material.dart';
+import 'package:flutter/services.dart';
+import 'package:device_info/device_info.dart';
+
+
+class DeviceInfoPage extends StatefulWidget {
+  @override
+  _DeviceInfoPageState createState() => _DeviceInfoPageState();
+}
+
+class _DeviceInfoPageState extends State<DeviceInfoPage> {
+  static final DeviceInfoPlugin deviceInfoPlugin = DeviceInfoPlugin();
+  Map<String, dynamic> _deviceData = <String, dynamic>{};
+
+  @override
+  void initState() {
+    super.initState();
+    initPlatformState();
+  }
+
+  Future<void> initPlatformState() async {
+    Map<String, dynamic> deviceData;
+
+    try {
+      if (Platform.isAndroid) {
+        deviceData = _readAndroidBuildData(await deviceInfoPlugin.androidInfo);
+      } else if (Platform.isIOS) {
+        deviceData = _readIosDeviceInfo(await deviceInfoPlugin.iosInfo);
+      }
+    } on PlatformException {
+      deviceData = <String, dynamic>{
+        'Error:': 'Failed to get platform version.'
+      };
+    }
+
+    if (!mounted) return;
+
+    setState(() {
+      _deviceData = deviceData;
+    });
+  }
+
+  Map<String, dynamic> _readAndroidBuildData(AndroidDeviceInfo build) {
+    // 分辨率
+    int width = window.physicalSize.width.floor();
+    int height = window.physicalSize.height.floor();
+
+    return <String, dynamic>{
+      'version.securityPatch': build.version.securityPatch,
+      'version.sdkInt': build.version.sdkInt,
+      'version.release': build.version.release,
+      'version.previewSdkInt': build.version.previewSdkInt,
+      'version.incremental': build.version.incremental,
+      'version.codename': build.version.codename,
+      'version.baseOS': build.version.baseOS,
+      'board': build.board,
+      'bootloader': build.bootloader,
+      'brand': build.brand,
+      'device': build.device,
+      'display': build.display,
+      'fingerprint': build.fingerprint,
+      'hardware': build.hardware,
+      'host': build.host,
+      'id': build.id,
+      'manufacturer': build.manufacturer,
+      'model': build.model,
+      'product': build.product,
+      'supported32BitAbis': build.supported32BitAbis,
+      'supported64BitAbis': build.supported64BitAbis,
+      'supportedAbis': build.supportedAbis,
+      'tags': build.tags,
+      'type': build.type,
+      'isPhysicalDevice': build.isPhysicalDevice,
+      'androidId': build.androidId,
+      'systemFeatures': build.systemFeatures,
+      '分辨率': '${width} * ${height}',
+    };
+  }
+
+  Map<String, dynamic> _readIosDeviceInfo(IosDeviceInfo data) {
+
+    // 分辨率
+    int width = window.physicalSize.width.floor();
+    int height = window.physicalSize.height.floor();
+
+    return <String, dynamic>{
+      'name': data.name,
+      'systemName': data.systemName,
+      'systemVersion': data.systemVersion,
+      'model': data.model,
+      'localizedModel': data.localizedModel,
+      'identifierForVendor': data.identifierForVendor,
+      'isPhysicalDevice': data.isPhysicalDevice,
+      'utsname.sysname:': data.utsname.sysname,
+      'utsname.nodename:': data.utsname.nodename,
+      'utsname.release:': data.utsname.release,
+      'utsname.version:': data.utsname.version,
+      'utsname.machine:': data.utsname.machine,
+      '分辨率': '${width} * ${height}',
+    };
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    return MaterialApp(
+      home: Scaffold(
+        appBar: AppBar(
+          title: Text(
+              Platform.isAndroid ? 'Android Device Info' : 'iOS Device Info'),
+        ),
+        body: ListView(
+          children: _deviceData.keys.map((String property) {
+            return Row(
+              children: <Widget>[
+                Container(
+                  padding: const EdgeInsets.all(10.0),
+                  child: Text(
+                    property,
+                    style: const TextStyle(
+                      fontWeight: FontWeight.bold,
+                    ),
+                  ),
+                ),
+                Expanded(
+                    child: Container(
+                      padding: const EdgeInsets.fromLTRB(0.0, 10.0, 0.0, 10.0),
+                      child: Text(
+                        '${_deviceData[property]}',
+                        maxLines: 10,
+                        overflow: TextOverflow.ellipsis,
+                      ),
+                    )),
+              ],
+            );
+          }).toList(),
+        ),
+      ),
+    );
+  }
+}
\ No newline at end of file
diff --git a/example/lib/log_util.dart b/example/lib/log_util.dart
new file mode 100644
index 0000000..970f9d8
--- /dev/null
+++ b/example/lib/log_util.dart
@@ -0,0 +1,57 @@
+
+import 'package:zhiying_comm/zhiying_comm.dart';
+
+class LogUtil {
+  static void test() {
+    // log
+    Logger.log("this is log");
+
+// debug
+    Logger.debug("this is debug", "this is debug message");
+
+// warn
+    Logger.warn("this is warn", "this is a warning message");
+
+// error
+    Logger.error("this is error", "this is a error message");
+
+// test error
+    try {
+      final test = {};
+      test["test"]["test"] = 1;
+    } catch (a, e) {
+      Logger.error(a, e);
+    }
+
+// time test
+    Logger.time("timeTest");
+    Logger.endTime("timeTest");
+
+// log net work
+    Logger.net(
+      "api/user/getUser",
+      data: {"user": "yung", "pass": "xxxxxx"},
+    );
+    Logger.endNet(
+      "api/user/getUser",
+      data: {
+        "users": [
+          {"id": 1, "name": "yung", "avatar": "xxx"},
+          {"id": 2, "name": "yung2", "avatar": "xxx"}
+        ]
+      },
+    );
+
+// log net work
+    Logger.net("ws/chat/getList", data: {"chanel": 1}, type: "Socket");
+    Logger.endNet(
+      "ws/chat/getList",
+      data: {
+        "users": [
+          {"id": 1, "name": "yung", "avatar": "xxx"},
+          {"id": 2, "name": "yung2", "avatar": "xxx"}
+        ]
+      },
+    );
+  }
+}
diff --git a/example/lib/main.dart b/example/lib/main.dart
index 947a402..c7584a8 100644
--- a/example/lib/main.dart
+++ b/example/lib/main.dart
@@ -1,8 +1,8 @@
 import 'package:flutter/material.dart';
-import 'dart:async';
-
-import 'package:flutter/services.dart';
 import 'package:zhiying_comm/zhiying_comm.dart';
+import 'package:zhiying_comm_example/device_info_page.dart';
+import 'package:zhiying_comm_example/log_util.dart';
+import 'package:zhiying_comm_example/package_info_page.dart';
 
 void main() => runApp(MyApp());
 
@@ -21,37 +21,95 @@ class _MyAppState extends State<MyApp> {
   Widget build(BuildContext context) {
     return MaterialApp(
       home: Scaffold(
-          appBar: AppBar(
-            title: const Text('智莺-基础库'),
-          ),
-          body: Wrap(
-            direction: Axis.horizontal,
-            spacing: 5,
-            children: <Widget>[
-              RaisedButton(
-                onPressed: () {
-                  NetUtil.post('/siteapi/v1/ucenter/login/', params: {
-                    'username': 'xiangguohui',
-                    'password': 'fnuo123com'
-                  });
-                },
-                child: Text('登录请求'),
-              ),
-              RaisedButton(
-                onPressed: () {
-                  NetUtil.request('/api/v1/rec/featured?page=1',
-                      method: NetMethod.GET, params: {});
-                },
-                child: Text('页面请求'),
-              ),
-              RaisedButton(
-                onPressed: () {
-                  NetUtil.request('/api/v1/config.json', params: {});
-                },
-                child: Text('基础配置'),
-              )
-            ],
-          )),
+        appBar: AppBar(
+          title: const Text('智莺-基础库'),
+        ),
+        body: HomePage(),
+      ),
+    );
+  }
+}
+
+class HomePage extends StatelessWidget {
+  netPost() async {
+    dynamic result =  await NetUtil.post('/api/v1/rec/featured?page=1', params: null);
+    print("result === ${result?.toString()}");
+  }
+
+
+  @override
+  Widget build(BuildContext context) {
+    return SingleChildScrollView(
+      child: Center(
+        child: Column(
+          crossAxisAlignment: CrossAxisAlignment.center,
+          mainAxisAlignment: MainAxisAlignment.center,
+          children: <Widget>[
+            RaisedButton(
+              onPressed: () {
+                Navigator.push(context, MaterialPageRoute(builder: (_) {
+                  return DeviceInfoPage();
+                }));
+              },
+              child: Text('设备信息'),
+            ),
+            RaisedButton(
+              onPressed: () {
+                Navigator.push(context, MaterialPageRoute(builder: (_) {
+                  return PackageInfoPage();
+                }));
+              },
+              child: Text('应用信息'),
+            ),
+            RaisedButton(
+              onPressed: () {
+                NetUtil.post('/siteapi/v1/ucenter/login/', params: {
+                  'username': 'xiangguohui',
+                  'password': 'fnuo123com'
+                });
+              },
+              child: Text('登录请求'),
+            ),
+            RaisedButton(
+              onPressed: () {
+                NetUtil.request('/api/v1/rec/featured?page=1', params: null,
+                    onError: (msg) {
+                  print('onERROR = ${msg?.toString() ?? 'onError'}');
+                }, onSuccess: (json) {
+                  print('onSuccess = ${json?.toString() ?? 'onSuccess'}');
+                }, onCache: (json) {
+                  print('onCache = ${json?.toString() ?? 'onCache'}');
+                });
+              },
+              child: Text('网络异步请求(带缓存)'),
+            ),
+            RaisedButton(
+              onPressed: () {
+                netPost();
+              },
+              child: Text('网络同步请求(无缓存)'),
+            ),
+
+            RaisedButton(
+              onPressed: (){
+                LogUtil.test();
+              },
+              child: Text('显示日志'),
+            ),
+            RaisedButton(
+              onPressed: (){
+                Navigator.push(context, MaterialPageRoute(
+                  builder: (_){
+                    return Logger();
+                  }
+                ));
+              },
+              child: Text('打开日志视图'),
+            ),
+
+          ],
+        ),
+      ),
     );
   }
 }
diff --git a/example/lib/package_info_page.dart b/example/lib/package_info_page.dart
new file mode 100644
index 0000000..48b378b
--- /dev/null
+++ b/example/lib/package_info_page.dart
@@ -0,0 +1,77 @@
+// Copyright 2017 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+// ignore_for_file: public_member_api_docs
+
+import 'dart:async';
+
+import 'package:flutter/material.dart';
+import 'package:package_info/package_info.dart';
+
+class PackageInfoPage extends StatelessWidget {
+  @override
+  Widget build(BuildContext context) {
+    return MaterialApp(
+      title: 'PackageInfo Demo',
+      theme: ThemeData(primarySwatch: Colors.blue),
+      home: MyHomePage(title: 'PackageInfo example app'),
+    );
+  }
+}
+
+class MyHomePage extends StatefulWidget {
+  MyHomePage({Key key, this.title}) : super(key: key);
+
+  final String title;
+
+  @override
+  _MyHomePageState createState() => _MyHomePageState();
+}
+
+class _MyHomePageState extends State<MyHomePage> {
+  PackageInfo _packageInfo = PackageInfo(
+    appName: 'Unknown',
+    packageName: 'Unknown',
+    version: 'Unknown',
+    buildNumber: 'Unknown',
+  );
+
+  @override
+  void initState() {
+    super.initState();
+    _initPackageInfo();
+  }
+
+  Future<void> _initPackageInfo() async {
+    final PackageInfo info = await PackageInfo.fromPlatform();
+    setState(() {
+      _packageInfo = info;
+    });
+  }
+
+  Widget _infoTile(String title, String subtitle) {
+    return ListTile(
+      title: Text(title),
+      subtitle: Text(subtitle ?? 'Not set'),
+    );
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    return Scaffold(
+      appBar: AppBar(
+        title: Text(widget.title),
+      ),
+      body: Column(
+        mainAxisAlignment: MainAxisAlignment.center,
+        children: <Widget>[
+          _infoTile('App name', _packageInfo.appName),
+          _infoTile('Package name', _packageInfo.packageName),
+          _infoTile('App version', _packageInfo.version),
+          _infoTile('Build number', _packageInfo.buildNumber),
+        ],
+      ),
+    );
+  }
+}
\ No newline at end of file
diff --git a/lib/util/global_config.dart b/lib/util/global_config.dart
index b918aa6..7c99c19 100644
--- a/lib/util/global_config.dart
+++ b/lib/util/global_config.dart
@@ -4,5 +4,5 @@ class GlobalConfig {
   static final String HTTP_RESPONSE_KEY_MSG = 'msg';
   static final String HTTP_RESPONSE_KEY_DATA = 'data';
   /// 成功返回的CODE值
-  static final int RESPONSE_SUCCESS_CODE = 200;
+  static final int RESPONSE_SUCCESS_CODE = 1;
 }
diff --git a/lib/util/log/let_log.dart b/lib/util/log/let_log.dart
index d3fb822..5dec19b 100644
--- a/lib/util/log/let_log.dart
+++ b/lib/util/log/let_log.dart
@@ -132,7 +132,7 @@ class Logger extends StatelessWidget {
 
   /// Recording network information
   static void net(String api,
-      {String type = "请求接口", int status = 100, Object data}) {
+      {String type = "接口", int status = 100, Object data}) {
     assert(api != null);
     if (enabled) _Net.request(api, type, status, data);
   }
diff --git a/lib/util/net_util.dart b/lib/util/net_util.dart
index a02b533..e35c5f9 100644
--- a/lib/util/net_util.dart
+++ b/lib/util/net_util.dart
@@ -153,39 +153,41 @@ class NetUtil {
     Response response;
     try {
       Dio dio = await NetUtil.getInstance().dio;
-      dio.request(path,
-          data: sign, options: Options(method: enumToString(method)));
+      response = await dio.request(path, data: sign, options: Options(method: enumToString(method)));
     } on DioError catch (e) {
       _formatError(e);
     }
 
-    if (response == null) {
-      return null;
-    }
+    try{
+      var result = response.data is Map ? response.data : jsonDecode(response.data);
+      // TODO 解密？
+      if (result[GlobalConfig.HTTP_RESPONSE_KEY_CODE] ==
+          GlobalConfig.RESPONSE_SUCCESS_CODE ||
+          result[GlobalConfig.HTTP_RESPONSE_KEY_CODE] ==
+              '${GlobalConfig.RESPONSE_SUCCESS_CODE}') {
+        if (onSuccess != null) {
+          onSuccess(result[GlobalConfig.HTTP_RESPONSE_KEY_DATA]);
+          // 缓存返回的数据
+          _setCallBackCacheData(cacheKey, response.data is Map ? jsonEncode(response.data) : response.data);
+        }
+        return;
+      }
 
-    var result = jsonDecode(response.data);
-    //TODO 加密？
-    if (result[GlobalConfig.HTTP_RESPONSE_KEY_CODE] ==
-            GlobalConfig.RESPONSE_SUCCESS_CODE ||
-        result[GlobalConfig.HTTP_RESPONSE_KEY_CODE] ==
-            '${GlobalConfig.RESPONSE_SUCCESS_CODE}') {
-      if (onSuccess != null) {
-        onSuccess(result[GlobalConfig.HTTP_RESPONSE_KEY_DATA]);
-        // 缓存返回的数据
-        _setCallBackCacheData(cacheKey, response.data);
+      Logger.error('error: ' + result[GlobalConfig.HTTP_RESPONSE_KEY_MSG]);
+      Fluttertoast.showToast(
+        msg: result[GlobalConfig.HTTP_RESPONSE_KEY_MSG],
+        toastLength: Toast.LENGTH_SHORT,
+        gravity: ToastGravity.BOTTOM,
+      );
+      if (onError != null) {
+        onError(result[GlobalConfig.HTTP_RESPONSE_KEY_MSG] ?? '未知错误');
+      }
+    }catch (e){
+      if (onError != null) {
+        onError(e?.toString() ?? '未知错误');
       }
-      return;
     }
 
-    Logger.error('error: ' + result[GlobalConfig.HTTP_RESPONSE_KEY_MSG]);
-    Fluttertoast.showToast(
-      msg: result[GlobalConfig.HTTP_RESPONSE_KEY_MSG],
-      toastLength: Toast.LENGTH_SHORT,
-      gravity: ToastGravity.BOTTOM,
-    );
-    if (onError != null) {
-      onError(result[GlobalConfig.HTTP_RESPONSE_KEY_MSG] ?? '未知错误');
-    }
     return;
   }
 
@@ -273,14 +275,13 @@ class NetUtil {
     // 读取缓存
     Map<String, dynamic> cacheMap =
         await SharedPreferencesUtil.getNetCacheResult(cacheKey);
+
     if (!EmptyUtil.isEmpty(cacheMap) &&
-        cacheMap.containsKey(GlobalConfig.RESPONSE_SUCCESS_CODE) &&
-        (cacheMap[GlobalConfig.RESPONSE_SUCCESS_CODE] ==
-                GlobalConfig.RESPONSE_SUCCESS_CODE ||
-            cacheMap[GlobalConfig.RESPONSE_SUCCESS_CODE] ==
-                '${GlobalConfig.RESPONSE_SUCCESS_CODE}') &&
+        cacheMap.containsKey(GlobalConfig.HTTP_RESPONSE_KEY_CODE) &&
+        (cacheMap[GlobalConfig.HTTP_RESPONSE_KEY_CODE] == GlobalConfig.RESPONSE_SUCCESS_CODE ||
+            cacheMap[GlobalConfig.HTTP_RESPONSE_KEY_CODE] == '${GlobalConfig.RESPONSE_SUCCESS_CODE}') &&
         null != cacheMap[GlobalConfig.HTTP_RESPONSE_KEY_DATA]) {
-      onCache(cacheMap['data']);
+      onCache(cacheMap[GlobalConfig.HTTP_RESPONSE_KEY_DATA]);
       return;
     }
     return;
@@ -341,14 +342,14 @@ class NetUtil {
 class _NetInterceptors extends InterceptorsWrapper {
   @override
   Future onRequest(RequestOptions options) {
-    Logger.net(options?.path, data: options.data.toString());
+    Logger.net(options?.uri?.toString(), data: options.data.toString());
     // TODO 加密？
     return super.onRequest(options);
   }
 
   @override
   Future onResponse(Response response) {
-    Logger.endNet(response?.statusCode?.toString(),
+    Logger.endNet(response?.request?.uri?.toString(),
         data: response?.data?.toString() ?? '');
     // TODO 解密？
     return super.onResponse(response);