diff --git a/.idea/libraries/Dart_SDK.xml b/.idea/libraries/Dart_SDK.xml
index c07f021..0b77cda 100644
--- a/.idea/libraries/Dart_SDK.xml
+++ b/.idea/libraries/Dart_SDK.xml
@@ -1,17 +1,27 @@
 <component name="libraryTable">
   <library name="Dart SDK">
     <CLASSES>
-      <root url="file:///Users/toilatung/flutter/bin/cache/dart-sdk/lib/async" />
-      <root url="file:///Users/toilatung/flutter/bin/cache/dart-sdk/lib/collection" />
-      <root url="file:///Users/toilatung/flutter/bin/cache/dart-sdk/lib/convert" />
-      <root url="file:///Users/toilatung/flutter/bin/cache/dart-sdk/lib/core" />
-      <root url="file:///Users/toilatung/flutter/bin/cache/dart-sdk/lib/developer" />
-      <root url="file:///Users/toilatung/flutter/bin/cache/dart-sdk/lib/html" />
-      <root url="file:///Users/toilatung/flutter/bin/cache/dart-sdk/lib/io" />
-      <root url="file:///Users/toilatung/flutter/bin/cache/dart-sdk/lib/isolate" />
-      <root url="file:///Users/toilatung/flutter/bin/cache/dart-sdk/lib/math" />
-      <root url="file:///Users/toilatung/flutter/bin/cache/dart-sdk/lib/mirrors" />
-      <root url="file:///Users/toilatung/flutter/bin/cache/dart-sdk/lib/typed_data" />
+      <root url="file://$USER_HOME$/fvm/versions/stable/bin/cache/dart-sdk/lib/async" />
+      <root url="file://$USER_HOME$/fvm/versions/stable/bin/cache/dart-sdk/lib/cli" />
+      <root url="file://$USER_HOME$/fvm/versions/stable/bin/cache/dart-sdk/lib/collection" />
+      <root url="file://$USER_HOME$/fvm/versions/stable/bin/cache/dart-sdk/lib/convert" />
+      <root url="file://$USER_HOME$/fvm/versions/stable/bin/cache/dart-sdk/lib/core" />
+      <root url="file://$USER_HOME$/fvm/versions/stable/bin/cache/dart-sdk/lib/developer" />
+      <root url="file://$USER_HOME$/fvm/versions/stable/bin/cache/dart-sdk/lib/ffi" />
+      <root url="file://$USER_HOME$/fvm/versions/stable/bin/cache/dart-sdk/lib/html" />
+      <root url="file://$USER_HOME$/fvm/versions/stable/bin/cache/dart-sdk/lib/indexed_db" />
+      <root url="file://$USER_HOME$/fvm/versions/stable/bin/cache/dart-sdk/lib/io" />
+      <root url="file://$USER_HOME$/fvm/versions/stable/bin/cache/dart-sdk/lib/isolate" />
+      <root url="file://$USER_HOME$/fvm/versions/stable/bin/cache/dart-sdk/lib/js" />
+      <root url="file://$USER_HOME$/fvm/versions/stable/bin/cache/dart-sdk/lib/js_interop" />
+      <root url="file://$USER_HOME$/fvm/versions/stable/bin/cache/dart-sdk/lib/js_interop_unsafe" />
+      <root url="file://$USER_HOME$/fvm/versions/stable/bin/cache/dart-sdk/lib/js_util" />
+      <root url="file://$USER_HOME$/fvm/versions/stable/bin/cache/dart-sdk/lib/math" />
+      <root url="file://$USER_HOME$/fvm/versions/stable/bin/cache/dart-sdk/lib/mirrors" />
+      <root url="file://$USER_HOME$/fvm/versions/stable/bin/cache/dart-sdk/lib/svg" />
+      <root url="file://$USER_HOME$/fvm/versions/stable/bin/cache/dart-sdk/lib/typed_data" />
+      <root url="file://$USER_HOME$/fvm/versions/stable/bin/cache/dart-sdk/lib/web_audio" />
+      <root url="file://$USER_HOME$/fvm/versions/stable/bin/cache/dart-sdk/lib/web_gl" />
     </CLASSES>
     <JAVADOC />
     <SOURCES />
diff --git a/.vscode/settings.json b/.vscode/settings.json
new file mode 100644
index 0000000..febb024
--- /dev/null
+++ b/.vscode/settings.json
@@ -0,0 +1,3 @@
+{
+  "githubPullRequests.ignoredPullRequestBranches": ["main"]
+}
diff --git a/android/.idea/gradle.xml b/android/.idea/gradle.xml
index c9e5c01..6cec569 100644
--- a/android/.idea/gradle.xml
+++ b/android/.idea/gradle.xml
@@ -1,5 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project version="4">
+  <component name="GradleMigrationSettings" migrationVersion="1" />
   <component name="GradleSettings">
     <option name="linkedExternalProjectsSettings">
       <GradleProjectSettings>
@@ -11,7 +12,6 @@
             <option value="$PROJECT_DIR$" />
           </set>
         </option>
-        <option name="resolveModulePerSourceSet" value="false" />
       </GradleProjectSettings>
     </option>
   </component>
diff --git a/android/.idea/modules.xml b/android/.idea/modules.xml
index 68dcaf5..dbc6ac7 100644
--- a/android/.idea/modules.xml
+++ b/android/.idea/modules.xml
@@ -3,6 +3,9 @@
   <component name="ProjectModuleManager">
     <modules>
       <module fileurl="file://$PROJECT_DIR$/.idea/modules/epson_epos.iml" filepath="$PROJECT_DIR$/.idea/modules/epson_epos.iml" />
+      <module fileurl="file://$PROJECT_DIR$/.idea/modules/epson_epos.androidTest.iml" filepath="$PROJECT_DIR$/.idea/modules/epson_epos.androidTest.iml" />
+      <module fileurl="file://$PROJECT_DIR$/.idea/modules/epson_epos.main.iml" filepath="$PROJECT_DIR$/.idea/modules/epson_epos.main.iml" />
+      <module fileurl="file://$PROJECT_DIR$/.idea/modules/epson_epos.unitTest.iml" filepath="$PROJECT_DIR$/.idea/modules/epson_epos.unitTest.iml" />
     </modules>
   </component>
 </project>
\ No newline at end of file
diff --git a/android/build.gradle b/android/build.gradle
index e05184c..0fc500d 100644
--- a/android/build.gradle
+++ b/android/build.gradle
@@ -2,14 +2,14 @@ group 'com.tlt.epson_epos'
 version '1.0-SNAPSHOT'
 
 buildscript {
-    ext.kotlin_version = '1.3.50'
+    ext.kotlin_version = '1.7.10'
     repositories {
         google()
         jcenter()
     }
 
     dependencies {
-        classpath 'com.android.tools.build:gradle:4.1.0'
+        classpath 'com.android.tools.build:gradle:7.3.0'
         classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version"
     }
 }
diff --git a/android/libs/ePOS2.jar b/android/libs/ePOS2.jar
index b2e906c..a373495 100644
Binary files a/android/libs/ePOS2.jar and b/android/libs/ePOS2.jar differ
diff --git a/android/libs/ePOSEasySelect.jar b/android/libs/ePOSEasySelect.jar
index f56bb2a..d9d7e0e 100644
Binary files a/android/libs/ePOSEasySelect.jar and b/android/libs/ePOSEasySelect.jar differ
diff --git a/android/src/main/jniLibs/arm64-v8a/libepos2.so b/android/src/main/jniLibs/arm64-v8a/libepos2.so
index 3ba4b12..60d0782 100644
Binary files a/android/src/main/jniLibs/arm64-v8a/libepos2.so and b/android/src/main/jniLibs/arm64-v8a/libepos2.so differ
diff --git a/android/src/main/jniLibs/arm64-v8a/libeposeasyselect.so b/android/src/main/jniLibs/arm64-v8a/libeposeasyselect.so
index d5aa39c..64128b9 100644
Binary files a/android/src/main/jniLibs/arm64-v8a/libeposeasyselect.so and b/android/src/main/jniLibs/arm64-v8a/libeposeasyselect.so differ
diff --git a/android/src/main/jniLibs/armeabi-v7a/libepos2.so b/android/src/main/jniLibs/armeabi-v7a/libepos2.so
index 0008cd3..c0ddfae 100644
Binary files a/android/src/main/jniLibs/armeabi-v7a/libepos2.so and b/android/src/main/jniLibs/armeabi-v7a/libepos2.so differ
diff --git a/android/src/main/jniLibs/armeabi-v7a/libeposeasyselect.so b/android/src/main/jniLibs/armeabi-v7a/libeposeasyselect.so
index 119e747..cb9785a 100644
Binary files a/android/src/main/jniLibs/armeabi-v7a/libeposeasyselect.so and b/android/src/main/jniLibs/armeabi-v7a/libeposeasyselect.so differ
diff --git a/android/src/main/jniLibs/armeabi/libepos2.so b/android/src/main/jniLibs/armeabi/libepos2.so
index adcae94..75e9354 100644
Binary files a/android/src/main/jniLibs/armeabi/libepos2.so and b/android/src/main/jniLibs/armeabi/libepos2.so differ
diff --git a/android/src/main/jniLibs/armeabi/libeposeasyselect.so b/android/src/main/jniLibs/armeabi/libeposeasyselect.so
index e0b6654..9702f72 100644
Binary files a/android/src/main/jniLibs/armeabi/libeposeasyselect.so and b/android/src/main/jniLibs/armeabi/libeposeasyselect.so differ
diff --git a/android/src/main/jniLibs/x86/libepos2.so b/android/src/main/jniLibs/x86/libepos2.so
new file mode 100644
index 0000000..aad25b4
Binary files /dev/null and b/android/src/main/jniLibs/x86/libepos2.so differ
diff --git a/android/src/main/jniLibs/x86/libeposeasyselect.so b/android/src/main/jniLibs/x86/libeposeasyselect.so
new file mode 100644
index 0000000..c60a8f2
Binary files /dev/null and b/android/src/main/jniLibs/x86/libeposeasyselect.so differ
diff --git a/android/src/main/jniLibs/x86_64/libepos2.so b/android/src/main/jniLibs/x86_64/libepos2.so
new file mode 100644
index 0000000..edf0e41
Binary files /dev/null and b/android/src/main/jniLibs/x86_64/libepos2.so differ
diff --git a/android/src/main/jniLibs/x86_64/libeposeasyselect.so b/android/src/main/jniLibs/x86_64/libeposeasyselect.so
new file mode 100644
index 0000000..33fc71b
Binary files /dev/null and b/android/src/main/jniLibs/x86_64/libeposeasyselect.so differ
diff --git a/android/src/main/kotlin/com/tlt/epson_epos/EpsonEposPlugin.kt b/android/src/main/kotlin/com/tlt/epson_epos/EpsonEposPlugin.kt
index 18246a0..6a40909 100644
--- a/android/src/main/kotlin/com/tlt/epson_epos/EpsonEposPlugin.kt
+++ b/android/src/main/kotlin/com/tlt/epson_epos/EpsonEposPlugin.kt
@@ -371,6 +371,8 @@ class EpsonEposPlugin : FlutterPlugin, MethodCallHandler, ActivityAware {
             "Printing $target $series Connection: ${statusInfo?.connection} online: ${statusInfo?.online} cover: ${statusInfo?.coverOpen} Paper: ${statusInfo?.paper} ErrorSt: ${statusInfo?.errorStatus} Battery Level: ${statusInfo?.batteryLevel}"
           )
           mPrinter!!.sendData(Printer.PARAM_DEFAULT)
+          mPrinter!!.disconnect();
+          mPrinter!!.clearCommandBuffer()
           Log.d(logTag, "Printed $target $series")
 
           resp.success = true
@@ -395,15 +397,20 @@ class EpsonEposPlugin : FlutterPlugin, MethodCallHandler, ActivityAware {
 
   private val mDiscoveryListener = DiscoveryListener { deviceInfo ->
     Log.d(logTag, "Found: ${deviceInfo?.deviceName}")
-    if (deviceInfo?.deviceName != null && deviceInfo?.deviceName != "") {
-      var printer = EpsonEposPrinterInfo(deviceInfo.ipAddress,  deviceInfo.bdAddress , deviceInfo.macAddress,  deviceInfo.deviceName , deviceInfo.deviceType.toString(), deviceInfo.deviceType.toString()  , deviceInfo.target)
-      var printerIndex = printers.indexOfFirst { e -> e.ipAddress == deviceInfo.ipAddress }
-      if (printerIndex > -1) {
-        printers[printerIndex] = printer
-      } else {
-        printers.add(printer)
-      }
-    }
+
+    //Increase connection support
+    var printer = EpsonEposPrinterInfo(deviceInfo.ipAddress,  deviceInfo.bdAddress , deviceInfo.macAddress,  deviceInfo.deviceName , deviceInfo.deviceType.toString(), deviceInfo.deviceType.toString()  , deviceInfo.target)
+    printers.add(printer)
+    
+    // if (deviceInfo?.deviceName != null && deviceInfo?.deviceName != "") {
+    //   var printer = EpsonEposPrinterInfo(deviceInfo.ipAddress,  deviceInfo.bdAddress , deviceInfo.macAddress,  deviceInfo.deviceName , deviceInfo.deviceType.toString(), deviceInfo.deviceType.toString()  , deviceInfo.target)
+    //   var printerIndex = printers.indexOfFirst { e -> e.ipAddress == deviceInfo.ipAddress }
+    //   if (printerIndex > -1) {
+    //     printers[printerIndex] = printer
+    //   } else {
+    //     printers.add(printer)
+    //   }
+    // }
 
   }
 
diff --git a/example/pubspec.lock b/example/pubspec.lock
index 5597dbd..6442211 100644
--- a/example/pubspec.lock
+++ b/example/pubspec.lock
@@ -5,70 +5,72 @@ packages:
     dependency: transitive
     description:
       name: archive
-      url: "https://pub.dartlang.org"
+      sha256: "793964beb8e297995714326628881437d4211f10fc8843534bab54129cd896ee"
+      url: "https://pub.dev"
     source: hosted
     version: "3.3.1"
   async:
     dependency: transitive
     description:
       name: async
-      url: "https://pub.dartlang.org"
+      sha256: "947bfcf187f74dbc5e146c9eb9c0f10c9f8b30743e341481c1e2ed3ecc18c20c"
+      url: "https://pub.dev"
     source: hosted
-    version: "2.8.2"
+    version: "2.11.0"
   boolean_selector:
     dependency: transitive
     description:
       name: boolean_selector
-      url: "https://pub.dartlang.org"
+      sha256: "6cfb5af12253eaf2b368f07bacc5a80d1301a071c73360d746b7f2e32d762c66"
+      url: "https://pub.dev"
     source: hosted
-    version: "2.1.0"
+    version: "2.1.1"
   characters:
     dependency: transitive
     description:
       name: characters
-      url: "https://pub.dartlang.org"
+      sha256: "04a925763edad70e8443c99234dc3328f442e811f1d8fd1a72f1c8ad0f69a605"
+      url: "https://pub.dev"
     source: hosted
-    version: "1.2.0"
-  charcode:
-    dependency: transitive
-    description:
-      name: charcode
-      url: "https://pub.dartlang.org"
-    source: hosted
-    version: "1.3.1"
+    version: "1.3.0"
   clock:
     dependency: transitive
     description:
       name: clock
-      url: "https://pub.dartlang.org"
+      sha256: cb6d7f03e1de671e34607e909a7213e31d7752be4fb66a86d29fe1eb14bfb5cf
+      url: "https://pub.dev"
     source: hosted
-    version: "1.1.0"
+    version: "1.1.1"
   collection:
     dependency: transitive
     description:
       name: collection
-      url: "https://pub.dartlang.org"
+      sha256: f092b211a4319e98e5ff58223576de6c2803db36221657b46c82574721240687
+      url: "https://pub.dev"
     source: hosted
-    version: "1.16.0"
+    version: "1.17.2"
   crypto:
     dependency: transitive
     description:
       name: crypto
-      url: "https://pub.dartlang.org"
+      sha256: aa274aa7774f8964e4f4f38cc994db7b6158dd36e9187aaceaddc994b35c6c67
+      url: "https://pub.dev"
     source: hosted
     version: "3.0.2"
   csslib:
     dependency: transitive
     description:
       name: csslib
-      url: "https://pub.dartlang.org"
+      sha256: b36c7f7e24c0bdf1bf9a3da461c837d1de64b9f8beb190c9011d8c72a3dfd745
+      url: "https://pub.dev"
     source: hosted
     version: "0.17.2"
   cupertino_icons:
     dependency: "direct main"
     description:
       name: cupertino_icons
-      url: "https://pub.dartlang.org"
+      sha256: "486b7bc707424572cdf7bd7e812a0c146de3fd47ecadf070254cc60383f21dd8"
+      url: "https://pub.dev"
     source: hosted
     version: "1.0.3"
   epson_epos:
@@ -77,21 +79,23 @@ packages:
       path: ".."
       relative: true
     source: path
-    version: "0.0.2"
+    version: "0.0.3"
   esc_pos_utils:
     dependency: "direct main"
     description:
       name: esc_pos_utils
-      url: "https://pub.dartlang.org"
+      sha256: "8ec0013d7a7f1e790ced6b09b95ce3bf2c6f9468a3e2bc49ece000761d86c6f8"
+      url: "https://pub.dev"
     source: hosted
     version: "1.1.0"
   fake_async:
     dependency: transitive
     description:
       name: fake_async
-      url: "https://pub.dartlang.org"
+      sha256: "511392330127add0b769b75a987850d136345d9227c6b94c96a04cf4a391bf78"
+      url: "https://pub.dev"
     source: hosted
-    version: "1.3.0"
+    version: "1.3.1"
   flutter:
     dependency: "direct main"
     description: flutter
@@ -106,63 +110,72 @@ packages:
     dependency: transitive
     description:
       name: gbk_codec
-      url: "https://pub.dartlang.org"
+      sha256: "3af5311fc9393115e3650ae6023862adf998051a804a08fb804f042724999f61"
+      url: "https://pub.dev"
     source: hosted
     version: "0.4.0"
   hex:
     dependency: transitive
     description:
       name: hex
-      url: "https://pub.dartlang.org"
+      sha256: "4e7cd54e4b59ba026432a6be2dd9d96e4c5205725194997193bf871703b82c4a"
+      url: "https://pub.dev"
     source: hosted
     version: "0.2.0"
   html:
     dependency: transitive
     description:
       name: html
-      url: "https://pub.dartlang.org"
+      sha256: bfef906cbd4e78ef49ae511d9074aebd1d2251482ef601a280973e8b58b51bbf
+      url: "https://pub.dev"
     source: hosted
     version: "0.15.0"
   image:
     dependency: transitive
     description:
       name: image
-      url: "https://pub.dartlang.org"
+      sha256: "9d2c5f73435a70a936d317769ee8e7ef480e37674b9f2bce95ea98969a307855"
+      url: "https://pub.dev"
     source: hosted
     version: "3.2.0"
   matcher:
     dependency: transitive
     description:
       name: matcher
-      url: "https://pub.dartlang.org"
+      sha256: "1803e76e6653768d64ed8ff2e1e67bea3ad4b923eb5c56a295c3e634bad5960e"
+      url: "https://pub.dev"
     source: hosted
-    version: "0.12.11"
+    version: "0.12.16"
   material_color_utilities:
     dependency: transitive
     description:
       name: material_color_utilities
-      url: "https://pub.dartlang.org"
+      sha256: "9528f2f296073ff54cb9fee677df673ace1218163c3bc7628093e7eed5203d41"
+      url: "https://pub.dev"
     source: hosted
-    version: "0.1.4"
+    version: "0.5.0"
   meta:
     dependency: transitive
     description:
       name: meta
-      url: "https://pub.dartlang.org"
+      sha256: "3c74dbf8763d36539f114c799d8a2d87343b5067e9d796ca22b5eb8437090ee3"
+      url: "https://pub.dev"
     source: hosted
-    version: "1.7.0"
+    version: "1.9.1"
   path:
     dependency: transitive
     description:
       name: path
-      url: "https://pub.dartlang.org"
+      sha256: "8829d8a55c13fc0e37127c29fedf290c102f4e40ae94ada574091fe0ff96c917"
+      url: "https://pub.dev"
     source: hosted
-    version: "1.8.1"
+    version: "1.8.3"
   petitparser:
     dependency: transitive
     description:
       name: petitparser
-      url: "https://pub.dartlang.org"
+      sha256: "2ebb289dc4764ec397f5cd3ca9881c6d17196130a7d646ed022a0dd9c2e25a71"
+      url: "https://pub.dev"
     source: hosted
     version: "5.0.0"
   sky_engine:
@@ -174,65 +187,82 @@ packages:
     dependency: transitive
     description:
       name: source_span
-      url: "https://pub.dartlang.org"
+      sha256: "53e943d4206a5e30df338fd4c6e7a077e02254531b138a15aec3bd143c1a8b3c"
+      url: "https://pub.dev"
     source: hosted
-    version: "1.8.2"
+    version: "1.10.0"
   stack_trace:
     dependency: transitive
     description:
       name: stack_trace
-      url: "https://pub.dartlang.org"
+      sha256: c3c7d8edb15bee7f0f74debd4b9c5f3c2ea86766fe4178eb2a18eb30a0bdaed5
+      url: "https://pub.dev"
     source: hosted
-    version: "1.10.0"
+    version: "1.11.0"
   stream_channel:
     dependency: transitive
     description:
       name: stream_channel
-      url: "https://pub.dartlang.org"
+      sha256: "83615bee9045c1d322bbbd1ba209b7a749c2cbcdcb3fdd1df8eb488b3279c1c8"
+      url: "https://pub.dev"
     source: hosted
-    version: "2.1.0"
+    version: "2.1.1"
   string_scanner:
     dependency: transitive
     description:
       name: string_scanner
-      url: "https://pub.dartlang.org"
+      sha256: "556692adab6cfa87322a115640c11f13cb77b3f076ddcc5d6ae3c20242bedcde"
+      url: "https://pub.dev"
     source: hosted
-    version: "1.1.0"
+    version: "1.2.0"
   term_glyph:
     dependency: transitive
     description:
       name: term_glyph
-      url: "https://pub.dartlang.org"
+      sha256: a29248a84fbb7c79282b40b8c72a1209db169a2e0542bce341da992fe1bc7e84
+      url: "https://pub.dev"
     source: hosted
-    version: "1.2.0"
+    version: "1.2.1"
   test_api:
     dependency: transitive
     description:
       name: test_api
-      url: "https://pub.dartlang.org"
+      sha256: "75760ffd7786fffdfb9597c35c5b27eaeec82be8edfb6d71d32651128ed7aab8"
+      url: "https://pub.dev"
     source: hosted
-    version: "0.4.9"
+    version: "0.6.0"
   typed_data:
     dependency: transitive
     description:
       name: typed_data
-      url: "https://pub.dartlang.org"
+      sha256: "53bdf7e979cfbf3e28987552fd72f637e63f3c8724c9e56d9246942dc2fa36ee"
+      url: "https://pub.dev"
     source: hosted
     version: "1.3.0"
   vector_math:
     dependency: transitive
     description:
       name: vector_math
-      url: "https://pub.dartlang.org"
+      sha256: "80b3257d1492ce4d091729e3a67a60407d227c27241d6927be0130c98e741803"
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.1.4"
+  web:
+    dependency: transitive
+    description:
+      name: web
+      sha256: dc8ccd225a2005c1be616fe02951e2e342092edf968cf0844220383757ef8f10
+      url: "https://pub.dev"
     source: hosted
-    version: "2.1.2"
+    version: "0.1.4-beta"
   xml:
     dependency: transitive
     description:
       name: xml
-      url: "https://pub.dartlang.org"
+      sha256: ac0e3f4bf00ba2708c33fbabbbe766300e509f8c82dbd4ab6525039813f7e2fb
+      url: "https://pub.dev"
     source: hosted
     version: "6.1.0"
 sdks:
-  dart: ">=2.17.5 <3.0.0"
+  dart: ">=3.1.0-185.0.dev <4.0.0"
   flutter: ">=1.20.0"
diff --git a/lib/const.dart b/lib/const.dart
index 84d4664..cd7390a 100644
--- a/lib/const.dart
+++ b/lib/const.dart
@@ -50,7 +50,8 @@ final List<EPSONSeries> epsonSeries = [
     "TM-T88V-i",
     "TM-T88VI- iHUB",
     "TM-T88V-DT",
-    "TM-T88VI-DT2"
+    "TM-T88VI-DT2",
+    "TM-T88VII"
   ]),
   EPSONSeries(id: "TM_T90", models: ["TM-T90"]),
   EPSONSeries(id: "TM_T100", models: ["TM-T100"]),
diff --git a/pubspec.lock b/pubspec.lock
index c04547f..850d1d1 100644
--- a/pubspec.lock
+++ b/pubspec.lock
@@ -5,51 +5,50 @@ packages:
     dependency: transitive
     description:
       name: async
-      url: "https://pub.dartlang.org"
+      sha256: "947bfcf187f74dbc5e146c9eb9c0f10c9f8b30743e341481c1e2ed3ecc18c20c"
+      url: "https://pub.dev"
     source: hosted
-    version: "2.8.2"
+    version: "2.11.0"
   boolean_selector:
     dependency: transitive
     description:
       name: boolean_selector
-      url: "https://pub.dartlang.org"
+      sha256: "6cfb5af12253eaf2b368f07bacc5a80d1301a071c73360d746b7f2e32d762c66"
+      url: "https://pub.dev"
     source: hosted
-    version: "2.1.0"
+    version: "2.1.1"
   characters:
     dependency: transitive
     description:
       name: characters
-      url: "https://pub.dartlang.org"
+      sha256: "04a925763edad70e8443c99234dc3328f442e811f1d8fd1a72f1c8ad0f69a605"
+      url: "https://pub.dev"
     source: hosted
-    version: "1.2.0"
-  charcode:
-    dependency: transitive
-    description:
-      name: charcode
-      url: "https://pub.dartlang.org"
-    source: hosted
-    version: "1.3.1"
+    version: "1.3.0"
   clock:
     dependency: transitive
     description:
       name: clock
-      url: "https://pub.dartlang.org"
+      sha256: cb6d7f03e1de671e34607e909a7213e31d7752be4fb66a86d29fe1eb14bfb5cf
+      url: "https://pub.dev"
     source: hosted
-    version: "1.1.0"
+    version: "1.1.1"
   collection:
     dependency: transitive
     description:
       name: collection
-      url: "https://pub.dartlang.org"
+      sha256: f092b211a4319e98e5ff58223576de6c2803db36221657b46c82574721240687
+      url: "https://pub.dev"
     source: hosted
-    version: "1.16.0"
+    version: "1.17.2"
   fake_async:
     dependency: transitive
     description:
       name: fake_async
-      url: "https://pub.dartlang.org"
+      sha256: "511392330127add0b769b75a987850d136345d9227c6b94c96a04cf4a391bf78"
+      url: "https://pub.dev"
     source: hosted
-    version: "1.3.0"
+    version: "1.3.1"
   flutter:
     dependency: "direct main"
     description: flutter
@@ -64,30 +63,34 @@ packages:
     dependency: transitive
     description:
       name: matcher
-      url: "https://pub.dartlang.org"
+      sha256: "1803e76e6653768d64ed8ff2e1e67bea3ad4b923eb5c56a295c3e634bad5960e"
+      url: "https://pub.dev"
     source: hosted
-    version: "0.12.11"
+    version: "0.12.16"
   material_color_utilities:
     dependency: transitive
     description:
       name: material_color_utilities
-      url: "https://pub.dartlang.org"
+      sha256: "9528f2f296073ff54cb9fee677df673ace1218163c3bc7628093e7eed5203d41"
+      url: "https://pub.dev"
     source: hosted
-    version: "0.1.4"
+    version: "0.5.0"
   meta:
     dependency: transitive
     description:
       name: meta
-      url: "https://pub.dartlang.org"
+      sha256: "3c74dbf8763d36539f114c799d8a2d87343b5067e9d796ca22b5eb8437090ee3"
+      url: "https://pub.dev"
     source: hosted
-    version: "1.7.0"
+    version: "1.9.1"
   path:
     dependency: transitive
     description:
       name: path
-      url: "https://pub.dartlang.org"
+      sha256: "8829d8a55c13fc0e37127c29fedf290c102f4e40ae94ada574091fe0ff96c917"
+      url: "https://pub.dev"
     source: hosted
-    version: "1.8.1"
+    version: "1.8.3"
   sky_engine:
     dependency: transitive
     description: flutter
@@ -97,51 +100,66 @@ packages:
     dependency: transitive
     description:
       name: source_span
-      url: "https://pub.dartlang.org"
+      sha256: "53e943d4206a5e30df338fd4c6e7a077e02254531b138a15aec3bd143c1a8b3c"
+      url: "https://pub.dev"
     source: hosted
-    version: "1.8.2"
+    version: "1.10.0"
   stack_trace:
     dependency: transitive
     description:
       name: stack_trace
-      url: "https://pub.dartlang.org"
+      sha256: c3c7d8edb15bee7f0f74debd4b9c5f3c2ea86766fe4178eb2a18eb30a0bdaed5
+      url: "https://pub.dev"
     source: hosted
-    version: "1.10.0"
+    version: "1.11.0"
   stream_channel:
     dependency: transitive
     description:
       name: stream_channel
-      url: "https://pub.dartlang.org"
+      sha256: "83615bee9045c1d322bbbd1ba209b7a749c2cbcdcb3fdd1df8eb488b3279c1c8"
+      url: "https://pub.dev"
     source: hosted
-    version: "2.1.0"
+    version: "2.1.1"
   string_scanner:
     dependency: transitive
     description:
       name: string_scanner
-      url: "https://pub.dartlang.org"
+      sha256: "556692adab6cfa87322a115640c11f13cb77b3f076ddcc5d6ae3c20242bedcde"
+      url: "https://pub.dev"
     source: hosted
-    version: "1.1.0"
+    version: "1.2.0"
   term_glyph:
     dependency: transitive
     description:
       name: term_glyph
-      url: "https://pub.dartlang.org"
+      sha256: a29248a84fbb7c79282b40b8c72a1209db169a2e0542bce341da992fe1bc7e84
+      url: "https://pub.dev"
     source: hosted
-    version: "1.2.0"
+    version: "1.2.1"
   test_api:
     dependency: transitive
     description:
       name: test_api
-      url: "https://pub.dartlang.org"
+      sha256: "75760ffd7786fffdfb9597c35c5b27eaeec82be8edfb6d71d32651128ed7aab8"
+      url: "https://pub.dev"
     source: hosted
-    version: "0.4.9"
+    version: "0.6.0"
   vector_math:
     dependency: transitive
     description:
       name: vector_math
-      url: "https://pub.dartlang.org"
+      sha256: "80b3257d1492ce4d091729e3a67a60407d227c27241d6927be0130c98e741803"
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.1.4"
+  web:
+    dependency: transitive
+    description:
+      name: web
+      sha256: dc8ccd225a2005c1be616fe02951e2e342092edf968cf0844220383757ef8f10
+      url: "https://pub.dev"
     source: hosted
-    version: "2.1.2"
+    version: "0.1.4-beta"
 sdks:
-  dart: ">=2.17.5 <3.0.0"
+  dart: ">=3.1.0-185.0.dev <4.0.0"
   flutter: ">=1.20.0"
diff --git a/pubspec.yaml b/pubspec.yaml
index 9332b66..1d4585f 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -1,6 +1,6 @@
 name: epson_epos
 description: This plugin allows Flutter apps to discover printers and send data to EPSON ePOS.
-version: 0.0.2
+version: 0.0.4
 repository: https://github.com/ImTung/flutter_epson_epos
 homepage: https://github.com/ImTung/flutter_epson_epos