diff --git a/client/pom.xml b/client/pom.xml
index 807ab5d71..1a3d0e15e 100644
--- a/client/pom.xml
+++ b/client/pom.xml
@@ -52,6 +52,11 @@
     </build>
 
     <dependencies>
+        <dependency>
+            <groupId>com.taobao.arthas</groupId>
+            <artifactId>arthas-common</artifactId>
+            <version>${project.version}</version>
+        </dependency>
         <dependency>
             <groupId>com.alibaba.middleware</groupId>
             <artifactId>cli</artifactId>
diff --git a/client/src/main/java/com/taobao/arthas/client/OSUtils.java b/client/src/main/java/com/taobao/arthas/client/OSUtils.java
deleted file mode 100644
index 93724e175..000000000
--- a/client/src/main/java/com/taobao/arthas/client/OSUtils.java
+++ /dev/null
@@ -1,13 +0,0 @@
-package com.taobao.arthas.client;
-
-public class OSUtils {
-
-    public static boolean isWindowsOS() {
-        boolean isWindowsOS = false;
-        String osName = System.getProperty("os.name");
-        if (osName.toLowerCase().indexOf("windows") > -1) {
-            isWindowsOS = true;
-        }
-        return isWindowsOS;
-    }
-}
diff --git a/client/src/main/java/com/taobao/arthas/client/TelnetConsole.java b/client/src/main/java/com/taobao/arthas/client/TelnetConsole.java
index 74461d99b..958c88b38 100644
--- a/client/src/main/java/com/taobao/arthas/client/TelnetConsole.java
+++ b/client/src/main/java/com/taobao/arthas/client/TelnetConsole.java
@@ -17,6 +17,7 @@ import org.apache.commons.net.telnet.TelnetClient;
 import org.apache.commons.net.telnet.TelnetOptionHandler;
 import org.apache.commons.net.telnet.WindowSizeOptionHandler;
 
+import com.taobao.arthas.common.OSUtils;
 import com.taobao.middleware.cli.CLI;
 import com.taobao.middleware.cli.CommandLine;
 import com.taobao.middleware.cli.UsageMessageFormatter;
@@ -152,11 +153,8 @@ public class TelnetConsole {
 
     public static void main(String[] args) throws IOException {
         // support mingw/cygw jline color
-        if (System.getProperty("os.name").startsWith("Windows")) {
-            if ((System.getenv("MSYSTEM") != null && System.getenv("MSYSTEM").startsWith("MINGW"))
-                            || "/bin/shell".equals(System.getenv("SHELL"))) {
-                System.setProperty("jline.terminal", System.getProperty("jline.terminal", "jline.UnixTerminal"));
-            }
+        if (OSUtils.isCygwinOrMinGW()) {
+            System.setProperty("jline.terminal", System.getProperty("jline.terminal", "jline.UnixTerminal"));
         }
 
         TelnetConsole telnetConsole = new TelnetConsole();
@@ -220,7 +218,7 @@ public class TelnetConsole {
                 } else {
                     width = terminal.getWidth();
                     // hack for windows dos
-                    if (OSUtils.isWindowsOS()) {
+                    if (OSUtils.isWindows()) {
                         width--;
                     }
                 }
diff --git a/common/src/main/java/com/taobao/arthas/common/OSUtils.java b/common/src/main/java/com/taobao/arthas/common/OSUtils.java
index c5fe3c85b..d2849b89e 100644
--- a/common/src/main/java/com/taobao/arthas/common/OSUtils.java
+++ b/common/src/main/java/com/taobao/arthas/common/OSUtils.java
@@ -1,22 +1,24 @@
 package com.taobao.arthas.common;
 
+import java.util.Locale;
+
 /**
  *
  * @author hengyunabc 2018-11-08
  *
  */
 public class OSUtils {
+    private static final String OPERATING_SYSTEM_NAME = System.getProperty("os.name").toLowerCase(Locale.ENGLISH);
 
     static PlatformEnum platform;
     static {
-        String osName = System.getProperty("os.name");
-        if (osName.startsWith("Linux")) {
+        if (OPERATING_SYSTEM_NAME.startsWith("Linux")) {
             platform = PlatformEnum.LINUX;
-        } else if (osName.startsWith("Mac") || osName.startsWith("Darwin")) {
+        } else if (OPERATING_SYSTEM_NAME.startsWith("Mac") || OPERATING_SYSTEM_NAME.startsWith("Darwin")) {
             platform = PlatformEnum.MACOSX;
-        } else if (osName.startsWith("Mac") || osName.startsWith("Darwin")) {
+        } else if (OPERATING_SYSTEM_NAME.startsWith("Mac") || OPERATING_SYSTEM_NAME.startsWith("Darwin")) {
             platform = PlatformEnum.MACOSX;
-        } else if (osName.startsWith("Windows")) {
+        } else if (OPERATING_SYSTEM_NAME.startsWith("Windows")) {
             platform = PlatformEnum.WINDOWS;
         } else {
             platform = PlatformEnum.UNKNOWN;
@@ -35,4 +37,14 @@ public class OSUtils {
         return platform == PlatformEnum.MACOSX;
     }
 
+    public static boolean isCygwinOrMinGW() {
+        if (isWindows()) {
+            if ((System.getenv("MSYSTEM") != null && System.getenv("MSYSTEM").startsWith("MINGW"))
+                            || "/bin/shell".equals(System.getenv("SHELL"))) {
+                return true;
+            }
+        }
+        return false;
+    }
+
 }