diff --git a/lib/oto/application.dart b/lib/oto/application.dart
index 02ef19f..9cbc424 100644
--- a/lib/oto/application.dart
+++ b/lib/oto/application.dart
@@ -1,7 +1,5 @@
 import 'dart:async';
-import 'dart:convert';
 import 'dart:io';
-import 'package:dart_framework/charset/euc_kr.dart';
 import 'package:dart_framework/utils/system_util.dart';
 import 'package:oto_cli/oto/command.dart';
 import 'package:oto_cli/oto/data/data.dart';
@@ -53,17 +51,11 @@ class Application {
           ]).then((ProcessResult result) => jsonStr = result.stdout);
           jenkinsMap = getMapFromJson(jsonStr)!;
         } else if (Platform.isWindows) {
-          String? stdout;
-          String? stderr;
           await Process.run('cmd', [
             '/C',
             '${Directory.current.path}/assets/script/batch/jenkins_env_params.bat'
-          ]).then((ProcessResult result) {
-            stdout = result.stdout;
-            stderr = result.stderr;
-          });
-          List<int> bytes = utf8.encode(stdout!);
-          jsonStr = eucKr.decode(bytes).replaceAll('\\', '/');
+          ]).then((ProcessResult result) => jsonStr = result.stdout);
+          jsonStr = jsonStr.replaceAll('\\', '/');
           jenkinsMap = getMapFromJson(jsonStr);
         } else {
           enable = false;
@@ -120,14 +112,10 @@ class Application {
     var file = File('${_jenkinsData!.workspace}/build_data.conf');
     var content = '';
     if (Platform.isWindows) {
-      if (Platform.isWindows) {
-        var list = await file.readAsBytes();
-        content = eucKr.decode(list);
-      } else {
-        content = file.readAsStringSync(
-            encoding: Platform.isWindows ? eucKr : SystemEncoding());
-      }
-      content.replaceAll('BuildData=', '').replaceAll('\\', '/');
+      content = file
+          .readAsStringSync(encoding: SystemEncoding())
+          .replaceAll('BuildData=', '')
+          .replaceAll('\\', '/');
       var regEx = RegExp(r'(%)([a-zA-Z0-9]+)(%)');
       var list = regEx.allMatches(content);
       var params = <String>[];