diff --git a/example/ios/Podfile.lock b/example/ios/Podfile.lock
index 9613040..6ba8c2f 100644
--- a/example/ios/Podfile.lock
+++ b/example/ios/Podfile.lock
@@ -19,6 +19,8 @@ PODS:
     - securityGuard (= 5.4.191)
     - UTDID (= 1.1.0.16)
     - WindVane (= 8.5.0.46-bc11)
+  - flutter_clipboard_plugin (0.0.1):
+    - Flutter
   - flutter_native_image (0.0.1):
     - Flutter
   - flutter_xupdate (0.0.1):
@@ -31,8 +33,6 @@ PODS:
   - FMDB (2.7.5):
     - FMDB/standard (= 2.7.5)
   - FMDB/standard (2.7.5)
-  - imei_plugin (0.0.1):
-    - Flutter
   - jdsdk (0.0.1):
     - Flutter
   - mob_linksdk_pro (3.3.7):
@@ -175,11 +175,11 @@ DEPENDENCIES:
   - device_info (from `.symlinks/plugins/device_info/ios`)
   - Flutter (from `Flutter`)
   - flutter_alibc (from `.symlinks/plugins/flutter_alibc/ios`)
+  - flutter_clipboard_plugin (from `.symlinks/plugins/flutter_clipboard_plugin/ios`)
   - flutter_native_image (from `.symlinks/plugins/flutter_native_image/ios`)
   - flutter_xupdate (from `.symlinks/plugins/flutter_xupdate/ios`)
   - fluttertoast (from `.symlinks/plugins/fluttertoast/ios`)
   - fluwx (from `.symlinks/plugins/fluwx/ios`)
-  - imei_plugin (from `.symlinks/plugins/imei_plugin/ios`)
   - jdsdk (from `.symlinks/plugins/jdsdk/ios`)
   - moblink (from `.symlinks/plugins/moblink/ios`)
   - mobsms (from `.symlinks/plugins/mobsms/ios`)
@@ -235,6 +235,8 @@ EXTERNAL SOURCES:
     :path: Flutter
   flutter_alibc:
     :path: ".symlinks/plugins/flutter_alibc/ios"
+  flutter_clipboard_plugin:
+    :path: ".symlinks/plugins/flutter_clipboard_plugin/ios"
   flutter_native_image:
     :path: ".symlinks/plugins/flutter_native_image/ios"
   flutter_xupdate:
@@ -243,8 +245,6 @@ EXTERNAL SOURCES:
     :path: ".symlinks/plugins/fluttertoast/ios"
   fluwx:
     :path: ".symlinks/plugins/fluwx/ios"
-  imei_plugin:
-    :path: ".symlinks/plugins/imei_plugin/ios"
   jdsdk:
     :path: ".symlinks/plugins/jdsdk/ios"
   moblink:
@@ -307,12 +307,12 @@ SPEC CHECKSUMS:
   device_info: d7d233b645a32c40dfdc212de5cf646ca482f175
   Flutter: 0e3d915762c693b495b44d77113d4970485de6ec
   flutter_alibc: 0e2a29e7c1de759672d87a260051240d209964b9
+  flutter_clipboard_plugin: b4f4432820ed598732eb18f6daa68a3ef26f711f
   flutter_native_image: 9c0b7451838484458e5b0fae007b86a4c2d4bdfe
   flutter_xupdate: bdb588f0fe4f6c5e45436b8b0de08d505a50c04e
   fluttertoast: b644586ef3b16f67fae9a1f8754cef6b2d6b634b
-  fluwx: 8d47bee15c7fed07b94c2a12fb2381677232431a
+  fluwx: 07a55ed66bf3a4961e836a2a411b02dcada32902
   FMDB: 2ce00b547f966261cd18927a3ddb07cb6f3db82a
-  imei_plugin: cb1af7c223ac2d82dcd1457a7137d93d65d2a3cd
   jdsdk: 2ca38c7e3a2dfb0f3641425f8fd1e8d20357693f
   mob_linksdk_pro: 9ad768d8da15c410d51056319f43a76c7cc01347
   mob_secverify: 08a42250544a6bbb6cab5e78504494aa0b40200c
diff --git a/lib/util/net_util.dart b/lib/util/net_util.dart
index 3bfd0e6..faa6ba9 100644
--- a/lib/util/net_util.dart
+++ b/lib/util/net_util.dart
@@ -105,31 +105,7 @@ class NetUtil {
     // post请求的参数
     Map<String, dynamic> bodyParams = params;
 
-    ///只拿一次头部数据
-    if (NetUtil.headParam == null) {
-      NetUtil.headParam = await _getMustHeadParams();
-    }
-
-    // token 读取SP缓存中的用户token
-    String token = await SharedPreferencesUtil.getStringValue(GlobalConfig.SHARED_KEY_TOKEN);
-
-    if (EmptyUtil.isEmpty(token) && !bool.fromEnvironment("dart.vm.product")) {
-      try {
-        Map setting = await NativeUtil.getSetting();
-        token = setting['token'];
-      } catch (e, s) {
-        print(s);
-        print(e);
-      }
-    }
-    if (!EmptyUtil.isEmpty(token)) {
-      // params['token'] = token;
-      NetUtil.headParam['Authorization'] = 'Bearer ' + token;
-    }
-
-    if (NetUtil.headParam['token'] == null) {}
-    // 请求头参数
-    Map<String, dynamic> headParam = NetUtil.headParam;
+    NetUtil.headParam = await _getMustHeadParams();
 
     Response response;
     try {
@@ -354,16 +330,29 @@ class NetUtil {
   //   return params;
   // }
 
+
+ static PackageInfo packageInfo;
+ static Map setting;
+ static IosDeviceInfo iosInfo;
+ static AndroidDeviceInfo androidInfo;
+ static String imei;
   /// 获取必须的请求参数(用于请求头部)
   static Future<Map<String, String>> _getMustHeadParams() async {
+
     Map<String, String> params = new HashMap<String, String>();
     // 应用信息
-    PackageInfo packageInfo = await PackageInfo.fromPlatform();
+    if(packageInfo==null){
+      packageInfo = await PackageInfo.fromPlatform();
+    }
     // 原生传的信息
-    Map setting = await NativeUtil.getSetting();
+    if(setting==null){
+      setting = await NativeUtil.getSetting();
+    }
 
     if (Platform.isIOS) {
-      IosDeviceInfo iosInfo = await DeviceInfoPlugin().iosInfo;
+      if(iosInfo==null){
+        iosInfo = await DeviceInfoPlugin().iosInfo;
+      }
       // 设备
       params["platform"] = "ios";
       // 设备系统版本
@@ -377,7 +366,9 @@ class NetUtil {
       // idfa
       params['idfa'] = iosInfo?.identifierForVendor?.toString();
     } else if (Platform.isAndroid) {
-      AndroidDeviceInfo androidInfo = await DeviceInfoPlugin().androidInfo;
+      if(androidInfo==null){
+        androidInfo = await DeviceInfoPlugin().androidInfo;
+      }
       // 设备
       params["platform"] = "android";
       // 设备系统版本
@@ -422,6 +413,13 @@ class NetUtil {
     // 当前时间戳：秒
     params["time"] = TimeUtil.getNowTime();
 
+    if (imei==null) {
+       imei = await _getImei();
+       print("获取到udid"+(imei??""));
+    }else{
+       params['imei']=imei;
+    }
+
     // 过滤空字段，过滤首尾空格
     Map<String, String> filters = Map<String, String>();
     params.forEach((key, value) {
@@ -561,15 +559,6 @@ class NetUtil {
     }
   }
 
-  static void getImei() async {
-    if (!NetUtil.headParam.containsKey('imei')) {
-      String imei = await _getImei();
-      print("获取到udid"+imei??"");
-      if (imei != null) {
-        NetUtil.headParam['imei'] = imei;
-      }
-    }
-  }
 }
 
 /**
diff --git a/pubspec.yaml b/pubspec.yaml
index f36aed3..0910be4 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -43,7 +43,7 @@ dependencies:
   flutter_alibc:
 #    path: ../zhiying_flutter_alibc
     git:
-      ref: 0.0.11
+      ref: 0.0.12
       url: http://192.168.0.138:3000/FnuoOS_ZhiYing/zhiying_flutter_alibc.git
   url_launcher: ^5.6.0
   #图片预览控件