diff --git a/betacraft/build.gradle b/betacraft/build.gradle
index 3cb927b..fabc3f4 100644
--- a/betacraft/build.gradle
+++ b/betacraft/build.gradle
@@ -19,5 +19,5 @@ dependencies {
 }
 
 tasks.withType(Jar) {
-    exclude('org/betacraft/*')
+    exclude('org/*')
 }
\ No newline at end of file
diff --git a/client/src/main/java/com/fox2code/foxloader/loader/ClientModLoader.java b/client/src/main/java/com/fox2code/foxloader/loader/ClientModLoader.java
index 42a884e..51c3374 100644
--- a/client/src/main/java/com/fox2code/foxloader/loader/ClientModLoader.java
+++ b/client/src/main/java/com/fox2code/foxloader/loader/ClientModLoader.java
@@ -4,6 +4,7 @@
 import com.fox2code.foxloader.launcher.LauncherType;
 import com.fox2code.foxloader.launcher.utils.NetUtils;
 import com.fox2code.foxloader.launcher.utils.Platform;
+import com.fox2code.foxloader.launcher.utils.SourceUtil;
 import com.fox2code.foxloader.loader.packet.ClientHello;
 import com.fox2code.foxloader.loader.packet.ServerHello;
 import com.fox2code.foxloader.network.NetworkPlayer;
@@ -87,10 +88,20 @@ void loaderHandleDoFoxLoaderUpdate(String version, String url) throws IOExceptio
         switch (launcherType) {
             default:
                 return;
+            case BETA_CRAFT:
+                File betacraftSource = SourceUtil.getSourceFile(ClientModLoader.class).getParentFile();
+                String endPath = ".betacraft/versions";
+                String path = betacraftSource.getPath();
+                if (!path.replace('\\', '/').endsWith(endPath)) {
+                    this.getLogger().warning("Not BetaCraft?");
+                    return;
+                }
+                args = new String[]{null, "-jar", null, "--update", launcherType.name(),
+                        path.substring(0, path.length() - endPath.length())};
+                break;
             case MMC_LIKE:
                 File libraries = ModLoader.foxLoader.file.getParentFile();
                 dest = new File(libraries, "foxloader-" + version + ".jar");
-            case BETA_CRAFT:
             case VANILLA_LIKE:
                 args = new String[]{null, "-jar", null, "--update", launcherType.name()};
         }
diff --git a/final/src/main/java/com/fox2code/foxloader/installer/InstallerGUI.java b/final/src/main/java/com/fox2code/foxloader/installer/InstallerGUI.java
index 53397f1..4fabe19 100644
--- a/final/src/main/java/com/fox2code/foxloader/installer/InstallerGUI.java
+++ b/final/src/main/java/com/fox2code/foxloader/installer/InstallerGUI.java
@@ -272,10 +272,20 @@ public void installMineCraft() {
     }
 
     public void installBetaCraft() {
+        File betacraft = Platform.getAppDir("betacraft");
+        if (!betacraft.exists()) {
+            File betacraftPortable = new File(".betacraft").getAbsoluteFile();
+            if (betacraftPortable.exists()) {
+                betacraft = betacraftPortable;
+            }
+        }
+        this.installBetaCraftEx(betacraft);
+    }
+
+    public void installBetaCraftEx(File betaCraft) {
         if (this.checkInstaller()) {
             return;
         }
-        File betaCraft = Platform.getAppDir("betacraft");
         File versions = new File(betaCraft, "versions");
         File versionsJsons = new File(versions, "jsons");
         File launchMethods = new File(betaCraft,
@@ -383,7 +393,7 @@ public void extractMMCInstance() {
                 "installer.multimc.text.*", BuildConfig.FOXLOADER_VERSION, BuildConfig.REINDEV_VERSION), false);
     }
 
-    public void doSilentInstall() throws IOException {
+    public void doSilentInstall(String arg) throws IOException {
         if (this.checkInstaller()) {
             return;
         }
@@ -393,7 +403,11 @@ public void doSilentInstall() throws IOException {
                 return;
             }
             case BETA_CRAFT: {
-                this.installBetaCraft();
+                if (arg == null) {
+                    this.installBetaCraft();
+                } else {
+                    this.installBetaCraftEx(new File(arg));
+                }
                 if (progressBar.getValue() != PROGRESS_BAR_MAX) {
                     System.exit(-1);
                     return;
diff --git a/final/src/main/java/com/fox2code/foxloader/installer/Main.java b/final/src/main/java/com/fox2code/foxloader/installer/Main.java
index 00965b0..c10129b 100644
--- a/final/src/main/java/com/fox2code/foxloader/installer/Main.java
+++ b/final/src/main/java/com/fox2code/foxloader/installer/Main.java
@@ -87,7 +87,8 @@ public static void main(String[] args) throws ReflectiveOperationException, Malf
                     LauncherType.valueOf(args[1].toUpperCase(Locale.ROOT));
             try {
                 System.out.println("Updating...");
-                new InstallerGUI(installerPlatform, launcherType).doSilentInstall();
+                new InstallerGUI(installerPlatform, launcherType)
+                        .doSilentInstall(args.length >= 3 ? args[2] : null);
             } catch (IOException e) {
                 e.printStackTrace();
                 System.exit(-1);
diff --git a/gradle.properties b/gradle.properties
index 7aee658..bb83a97 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -3,7 +3,7 @@ org.gradle.parallel=true
 org.gradle.jvmargs=-Xmx1024m -XX:-UseGCOverheadLimit -Dfile.encoding=UTF-8
 
 # FoxLoader properties
-foxloader.version=1.2.10
+foxloader.version=1.2.11
 foxloader.lastReIndevTransformerChanges=1.2.4
 
 # ReIndev properties