diff --git a/rubylib/build.gradle b/rubylib/build.gradle
index ca1572bba373c1191f39a45670096539c08f9726..2d8bb627dfcaa75834e3b878002b1909c96a246a 100644
--- a/rubylib/build.gradle
+++ b/rubylib/build.gradle
@@ -7,7 +7,7 @@ publish {
     userOrg = 'takeya-yuki-studio'      //bintray注册的用户名
     groupId = 'jp.ruby.rubylib'         //compile引用时的第1部分groupId
     artifactId = 'rubylib'     //compile引用时的第2部分项目名
-    publishVersion = '1.0.3'    //compile引用时的第3部分版本号
+    publishVersion = '1.0.4'    //compile引用时的第3部分版本号
     desc = 'Ruby Extended Controls'
     website = 'https://github.com/Takeya-Yuki/RubyLib.git'
 }
@@ -20,8 +20,8 @@ android {
     defaultConfig {
         minSdkVersion 17
         targetSdkVersion 26
-        versionCode 3
-        versionName "1.0.3"
+        versionCode 4
+        versionName "1.0.4"
 
         testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"
 
diff --git a/rubylib/src/main/java/yuki/pm/extended/AutoUpdateManager.java b/rubylib/src/main/java/yuki/pm/extended/AutoUpdateManager.java
index 62eedbdf524a3542df4b617c87ccee3eb7477774..d2562199e84395379888fd7e05e2f9bf99f31a48 100644
--- a/rubylib/src/main/java/yuki/pm/extended/AutoUpdateManager.java
+++ b/rubylib/src/main/java/yuki/pm/extended/AutoUpdateManager.java
@@ -42,7 +42,7 @@ public final class AutoUpdateManager {
         NetworkInfo mNetworkInfo = mConnectivityManager.getActiveNetworkInfo();
         boolean lte = false;
         if (NetworkManager.GetNetworkType(mContext) != NetworkManager.NO_NETWORK) {
-            if (NetworkManager.GetNetworkType(mContext) == NetworkManager.MOBILE) {
+            if (NetworkManager.GetNetworkType(mContext) == ConnectivityManager.TYPE_MOBILE) {
                 lte = true;
             }
         } else {
diff --git a/rubylib/src/main/java/yuki/pm/extended/NetworkManager.java b/rubylib/src/main/java/yuki/pm/extended/NetworkManager.java
index 0126e0b8fa7c2960c78064f4d4043ed84c7bf53e..70395a2ca40b0ca5b66798edd6fe524b422e1b4c 100644
--- a/rubylib/src/main/java/yuki/pm/extended/NetworkManager.java
+++ b/rubylib/src/main/java/yuki/pm/extended/NetworkManager.java
@@ -7,6 +7,7 @@ import android.net.NetworkInfo;
 import android.net.wifi.WifiManager;
 import android.provider.Settings;
 
+import java.io.IOException;
 import java.net.InetAddress;
 import java.net.NetworkInterface;
 import java.net.SocketException;
@@ -74,20 +75,27 @@ public class NetworkManager {
         ConnectivityManager mConnectivityManager = (ConnectivityManager) context.getSystemService(Context.CONNECTIVITY_SERVICE);
         NetworkInfo mNetworkInfo = mConnectivityManager.getActiveNetworkInfo();
         if (mNetworkInfo != null && mNetworkInfo.isAvailable()) {
-            if (mNetworkInfo.getType() == ConnectivityManager.TYPE_WIFI || mNetworkInfo.getType() == ConnectivityManager.TYPE_WIMAX) {
-                return WIFI;
-            } else {
-                return MOBILE;
-            }
+            return mNetworkInfo.getType();
         } else {
             return NO_NETWORK;
         }
     }
 
+    /**
+     * Get Ping Status
+     * @param host Host Name
+     * @param timeout Timeout
+     * @return Ping Success
+     * */
+    public static boolean Ping(String host,int timeout){
+        try {
+            return InetAddress.getByName(host).isReachable(timeout);
+        } catch (IOException e) {
+            return false;
+        }
+    }
+
     /*NO Network*/
     public static int NO_NETWORK = 0;
-    /*Wifi Connected*/
-    public static int WIFI = 1;
-    /*Mobile Network Connected*/
-    public static int MOBILE = 2;
+
 }