diff --git a/HMCL/build.gradle b/HMCL/build.gradle
index 3ab9cb74b..d0c049134 100755
--- a/HMCL/build.gradle
+++ b/HMCL/build.gradle
@@ -26,10 +26,10 @@ if (!hasProperty('mainClass')) {
     ext.mainClass = 'org.jackhuang.hellominecraft.launcher.Main'
 }
 
-def buildnumber = System.getenv("BUILD_NUMBER") == null ? ".9" : "."+System.getenv("BUILD_NUMBER")
+def buildnumber = System.getenv("BUILD_NUMBER") == null ? ".10" : "."+System.getenv("BUILD_NUMBER")
 
 String mavenGroupId = 'HMCL'
-String mavenVersion = '2.3.5' + buildnumber
+String mavenVersion = '2.4.0' + buildnumber
 String bundleName = "Hello Minecraft! Launcher"
 
 group = mavenGroupId
@@ -37,6 +37,16 @@ version = mavenVersion
 
 String mavenArtifactId = name
 
+task generateSources(type: Copy) {
+    from 'src/main/java'
+    into "$buildDir/generated-src"
+    filter(org.apache.tools.ant.filters.ReplaceTokens, tokens: [
+            'HELLO_MINECRAFT_LAUNCHER_VERSION_FOR_GRADLE_REPLACING': mavenVersion
+    ])
+}
+compileJava.setSource "$buildDir/generated-src"
+compileJava.dependsOn generateSources
+
 buildscript {
     repositories {
         mavenCentral();
diff --git a/HMCL/src/main/java/org/jackhuang/hellominecraft/launcher/Launcher.java b/HMCL/src/main/java/org/jackhuang/hellominecraft/launcher/Launcher.java
index 6eba0e779..c7660bb25 100755
--- a/HMCL/src/main/java/org/jackhuang/hellominecraft/launcher/Launcher.java
+++ b/HMCL/src/main/java/org/jackhuang/hellominecraft/launcher/Launcher.java
@@ -21,8 +21,6 @@ import java.io.File;
 import java.io.FileOutputStream;
 import java.io.IOException;
 import java.lang.reflect.Method;
-import java.net.Authenticator;
-import java.net.PasswordAuthentication;
 import java.net.URL;
 import java.net.URLClassLoader;
 import java.util.ArrayList;
@@ -36,7 +34,6 @@ import org.jackhuang.hellominecraft.util.ui.LogWindow;
 import org.jackhuang.hellominecraft.launcher.util.MinecraftCrashAdvicer;
 import org.jackhuang.hellominecraft.util.DoubleOutputStream;
 import org.jackhuang.hellominecraft.util.LauncherPrintStream;
-import org.jackhuang.hellominecraft.util.MathUtils;
 import org.jackhuang.hellominecraft.util.MessageBox;
 import org.jackhuang.hellominecraft.util.Utils;
 
@@ -48,7 +45,8 @@ public final class Launcher {
 
     static final Logger LOGGER = Logger.getLogger(Launcher.class.getName());
 
-    static String classPath = "", proxyHost = "", proxyPort = "", proxyUsername = "", proxyPassword = "";
+    static String classPath = "";
+    //state String proxyHost = "", proxyPort = "", proxyUsername = "", proxyPassword = "";
 
     public static void main(String[] args) {
         LOGGER.log(Level.INFO, "*** {0} ***", Main.makeTitle());
@@ -63,14 +61,14 @@ public final class Launcher {
                 classPath = classPath.concat(s.substring("-cp=".length()));
             else if (s.startsWith("-mainClass="))
                 mainClass = s.substring("-mainClass=".length());
-            else if (s.startsWith("-proxyHost="))
+            /*else if (s.startsWith("-proxyHost="))
                 proxyHost = s.substring("-proxyHost=".length());
             else if (s.startsWith("-proxyPort="))
                 proxyPort = s.substring("-proxyPort=".length());
             else if (s.startsWith("-proxyUsername="))
                 proxyUsername = s.substring("-proxyUsername=".length());
             else if (s.startsWith("-proxyPassword="))
-                proxyPassword = s.substring("-proxyPassword=".length());
+                proxyPassword = s.substring("-proxyPassword=".length());*/
             else if (s.equals("-debug"))
                 showInfo = true;
             else
@@ -108,7 +106,7 @@ public final class Launcher {
             LOGGER.log(Level.INFO, "Class Path: '{'\n{0}\n'}'", StrUtils.parseParams("    ", tokenized, "\n"));
             SwingUtilities.invokeLater(() -> LogWindow.INSTANCE.setVisible(true));
         }
-
+        /*
         if (StrUtils.isNotBlank(proxyHost) && StrUtils.isNotBlank(proxyPort) && MathUtils.canParseInt(proxyPort)) {
             HMCLog.log("Initializing customized proxy");
             System.setProperty("http.proxyHost", proxyHost);
@@ -123,7 +121,7 @@ public final class Launcher {
             //PROXY = new Proxy(Proxy.Type.HTTP, new InetSocketAddress(Settings.getInstance().getProxyHost(), Integer.parseInt(Settings.getInstance().getProxyPort())));
         } else {
             //PROXY = Proxy.NO_PROXY;
-        }
+        }*/
 
         URL[] urls = new URL[len];
 
diff --git a/HMCL/src/main/java/org/jackhuang/hellominecraft/launcher/Main.java b/HMCL/src/main/java/org/jackhuang/hellominecraft/launcher/Main.java
old mode 100755
new mode 100644
index 9d0c7be88..87f861739
--- a/HMCL/src/main/java/org/jackhuang/hellominecraft/launcher/Main.java
+++ b/HMCL/src/main/java/org/jackhuang/hellominecraft/launcher/Main.java
@@ -90,17 +90,11 @@ public final class Main implements Runnable {
     }
 
     public static final String LAUNCHER_NAME = "Hello Minecraft! Launcher";
-    public static final byte VERSION_FIRST = 2, VERSION_SECOND = 3, VERSION_THIRD = 5, VERSION_FORTH = 9;
+    public static final String LAUNCHER_VERSION = "@HELLO_MINECRAFT_LAUNCHER_VERSION_FOR_GRADLE_REPLACING@";
     public static final int MINIMUM_LAUNCHER_VERSION = 16;
-    //public static Proxy PROXY;
 
-    /**
-     * Make the version of HMCL.
-     *
-     * @return the version: firstVer.secondVer.thirdVer
-     */
-    public static String makeVersion() {
-        return "" + VERSION_FIRST + '.' + VERSION_SECOND + '.' + VERSION_THIRD + '.' + VERSION_FORTH;
+    public static VersionNumber getVersionNumber() {
+        return VersionNumber.check(LAUNCHER_VERSION);
     }
 
     /**
@@ -109,7 +103,11 @@ public final class Main implements Runnable {
      * @return the MainWindow title.
      */
     public static String makeTitle() {
-        return LAUNCHER_NAME + ' ' + makeVersion();
+        return LAUNCHER_NAME + ' ' + LAUNCHER_VERSION;
+    }
+
+    public static String shortTitle() {
+        return "HMCL" + ' ' + LAUNCHER_VERSION;
     }
 
     public static final Main INSTANCE = new Main();
@@ -122,7 +120,7 @@ public final class Main implements Runnable {
         {
             //PluginManager.getServerPlugin();
 
-            if (IUpgrader.NOW_UPGRADER.parseArguments(new VersionNumber(VERSION_FIRST, VERSION_SECOND, VERSION_THIRD), args))
+            if (IUpgrader.NOW_UPGRADER.parseArguments(getVersionNumber(), args))
                 return;
 
             System.setProperty("sun.java2d.noddraw", "true");
diff --git a/HMCL/src/main/java/org/jackhuang/hellominecraft/launcher/core/launch/AbstractMinecraftLoader.java b/HMCL/src/main/java/org/jackhuang/hellominecraft/launcher/core/launch/AbstractMinecraftLoader.java
index 14946a91d..867f0dad2 100755
--- a/HMCL/src/main/java/org/jackhuang/hellominecraft/launcher/core/launch/AbstractMinecraftLoader.java
+++ b/HMCL/src/main/java/org/jackhuang/hellominecraft/launcher/core/launch/AbstractMinecraftLoader.java
@@ -165,11 +165,15 @@ public abstract class AbstractMinecraftLoader implements IMinecraftLoader {
             res.add("-debug");
 
         if (StrUtils.isNotBlank(options.getProxyHost()) && StrUtils.isNotBlank(options.getProxyPort()) && MathUtils.canParseInt(options.getProxyPort())) {
-            res.add("-proxyHost=" + options.getProxyHost());
-            res.add("-proxyPort=" + options.getProxyPort());
+            res.add("--proxyHost");
+            res.add(options.getProxyHost());
+            res.add("--proxyPort");
+            res.add(options.getProxyPort());
             if (StrUtils.isNotBlank(options.getProxyUser()) && StrUtils.isNotBlank(options.getProxyPass())) {
-                res.add("-proxyUsername=" + options.getProxyUser());
-                res.add("-proxyPassword=" + options.getProxyPass());
+                res.add("--proxyUser");
+                res.add(options.getProxyUser());
+                res.add("-=proxyPass");
+                res.add(options.getProxyPass());
             }
         }
 
diff --git a/HMCL/src/main/java/org/jackhuang/hellominecraft/launcher/setting/Settings.java b/HMCL/src/main/java/org/jackhuang/hellominecraft/launcher/setting/Settings.java
index a17ab4e5f..f2151c3ee 100755
--- a/HMCL/src/main/java/org/jackhuang/hellominecraft/launcher/setting/Settings.java
+++ b/HMCL/src/main/java/org/jackhuang/hellominecraft/launcher/setting/Settings.java
@@ -31,7 +31,6 @@ import org.jackhuang.hellominecraft.util.system.FileUtils;
 import org.jackhuang.hellominecraft.util.system.IOUtils;
 import org.jackhuang.hellominecraft.util.MessageBox;
 import org.jackhuang.hellominecraft.util.UpdateChecker;
-import org.jackhuang.hellominecraft.util.VersionNumber;
 
 /**
  *
@@ -44,8 +43,7 @@ public final class Settings {
     public static final File SETTINGS_FILE = new File(IOUtils.currentDir(), "hmcl.json");
 
     private static final Config SETTINGS;
-    public static final UpdateChecker UPDATE_CHECKER = new UpdateChecker(new VersionNumber(Main.VERSION_FIRST, Main.VERSION_SECOND, Main.VERSION_THIRD),
-                                                                         "hmcl");
+    public static final UpdateChecker UPDATE_CHECKER = new UpdateChecker(Main.getVersionNumber(), "hmcl");
 
     public static Config getInstance() {
         return SETTINGS;
diff --git a/HMCL/src/main/java/org/jackhuang/hellominecraft/launcher/setting/VersionSetting.java b/HMCL/src/main/java/org/jackhuang/hellominecraft/launcher/setting/VersionSetting.java
index 28c8038db..4fb594b1d 100644
--- a/HMCL/src/main/java/org/jackhuang/hellominecraft/launcher/setting/VersionSetting.java
+++ b/HMCL/src/main/java/org/jackhuang/hellominecraft/launcher/setting/VersionSetting.java
@@ -286,8 +286,9 @@ public class VersionSetting {
         x.setLaunchVersion(id);
         x.setMaxMemory(getMaxMemory());
         x.setMinecraftArgs(getMinecraftArgs());
-        x.setName(Main.makeTitle());
-        x.setType(Main.makeTitle());
+        x.setName(Main.shortTitle());
+        x.setType(Main.shortTitle());
+        x.setVersionName(Main.shortTitle());
         x.setNoJVMArgs(isNoJVMArgs());
         x.setPermSize(getPermSize());
         x.setPrecalledCommand(getPrecalledCommand());
@@ -296,7 +297,6 @@ public class VersionSetting {
         x.setProxyUser(Settings.getInstance().getProxyUserName());
         x.setProxyPass(Settings.getInstance().getProxyPassword());
         x.setServerIp(getServerIp());
-        x.setVersionName(Main.makeTitle());
         x.setWidth(getWidth());
 
         String str = getJavaDir();
diff --git a/HMCL/src/main/java/org/jackhuang/hellominecraft/launcher/util/CrashReporter.java b/HMCL/src/main/java/org/jackhuang/hellominecraft/launcher/util/CrashReporter.java
index 1a13c8396..2583d2d99 100755
--- a/HMCL/src/main/java/org/jackhuang/hellominecraft/launcher/util/CrashReporter.java
+++ b/HMCL/src/main/java/org/jackhuang/hellominecraft/launcher/util/CrashReporter.java
@@ -27,7 +27,7 @@ import java.util.logging.Logger;
 import javax.swing.SwingUtilities;
 import org.jackhuang.hellominecraft.util.C;
 import org.jackhuang.hellominecraft.util.logging.HMCLog;
-import org.jackhuang.hellominecraft.launcher.Main;
+import static org.jackhuang.hellominecraft.launcher.Main.LAUNCHER_VERSION;
 import org.jackhuang.hellominecraft.launcher.setting.Settings;
 import org.jackhuang.hellominecraft.util.NetUtils;
 import org.jackhuang.hellominecraft.util.MessageBox;
@@ -95,7 +95,7 @@ public class CrashReporter implements Thread.UncaughtExceptionHandler {
             return;
         try {
             String text = "\n---- Hello Minecraft! Crash Report ----\n";
-            text += "  Version: " + Main.makeVersion() + "\n";
+            text += "  Version: " + LAUNCHER_VERSION + "\n";
             text += "  Time: " + new SimpleDateFormat("yyyy-MM-dd HH:mm:ss").format(new Date()) + "\n";
             text += "  Thread: " + t.toString() + "\n";
             text += "\n  Content: \n    ";
diff --git a/HMCLAPI/src/main/java/org/jackhuang/hellominecraft/util/VersionNumber.java b/HMCLAPI/src/main/java/org/jackhuang/hellominecraft/util/VersionNumber.java
index dcd70bdf9..bb0025917 100755
--- a/HMCLAPI/src/main/java/org/jackhuang/hellominecraft/util/VersionNumber.java
+++ b/HMCLAPI/src/main/java/org/jackhuang/hellominecraft/util/VersionNumber.java
@@ -39,6 +39,11 @@ public final class VersionNumber implements Comparable<VersionNumber> {
         this.version = version;
     }
 
+    @Override
+    public String toString() {
+        return "" + firstVer + '.' + secondVer + '.' + thirdVer;
+    }
+
     public static VersionNumber check(String data) {
         while (!data.isEmpty() && ((data.charAt(0) < '0' || data.charAt(0) > '9') && data.charAt(0) != '.'))
             data = data.substring(1);
@@ -46,7 +51,7 @@ public final class VersionNumber implements Comparable<VersionNumber> {
             return null;
         VersionNumber ur;
         String[] ver = data.split("\\.");
-        if (ver.length == 3) {
+        if (ver.length >= 3) {
             byte v1, v2, v3;
             try {
                 v1 = Byte.parseByte(ver[0]);
diff --git a/common.gradle b/common.gradle
index 7a035fc7e..946b9f18c 100755
--- a/common.gradle
+++ b/common.gradle
@@ -17,6 +17,7 @@
  */
 apply plugin: 'java'
 apply plugin: 'maven'
+apply plugin: 'findbugs'
 
 //sourceCompatibility = '1.7'
 [compileJava, compileTestJava]*.options*.encoding = 'UTF-8'