diff --git a/LaunchServer/src/main/java/pro/gravit/launchserver/helper/MakeProfileHelper.java b/LaunchServer/src/main/java/pro/gravit/launchserver/helper/MakeProfileHelper.java
index bb03de78..f5fe8bc9 100644
--- a/LaunchServer/src/main/java/pro/gravit/launchserver/helper/MakeProfileHelper.java
+++ b/LaunchServer/src/main/java/pro/gravit/launchserver/helper/MakeProfileHelper.java
@@ -60,6 +60,7 @@ public static ClientProfile makeProfile(ClientProfile.Version version, String ti
         // -----------
         Optional<MakeProfileOptionForge> forge = findOption(options, MakeProfileOptionForge.class);
         Optional<MakeProfileOptionFabric> fabric = findOption(options, MakeProfileOptionFabric.class);
+        Optional<MakeProfilesOptionsQuilt> quilt = findOption(options, MakeProfilesOptionsQuilt.class);
         if (version.compareTo(ClientProfileVersions.MINECRAFT_1_12_2) > 0) {
             jvmArgs.add("-Djava.library.path=natives");
             OptionalFile optionalMacOs = new OptionalFile();
@@ -73,6 +74,9 @@ public static ClientProfile makeProfile(ClientProfile.Version version, String ti
         if (fabric.isPresent()) {
             builder.setAltClassPath(fabric.orElseThrow().getAltClassPath());
         }
+        if(quilt.isPresent()) {
+            builder.setClassLoaderConfig(ClientProfile.ClassLoaderConfig.SYSTEM_ARGS);
+        }
         if (findOption(options, MakeProfileOptionLwjgl.class).isPresent()) {
             OptionalFile optionalMac = new OptionalFile();
             optionalMac.name = "MacLwjgl";
@@ -152,7 +156,7 @@ public static ClientProfile makeProfile(ClientProfile.Version version, String ti
         } else if (version.compareTo(ClientProfileVersions.MINECRAFT_1_12_2) > 0) {
             if (forge.isPresent()) {
                 clientArgs.addAll(forge.get().makeClientArgs());
-                builder.setClassLoaderConfig(ClientProfile.ClassLoaderConfig.AGENT);
+                builder.setClassLoaderConfig(ClientProfile.ClassLoaderConfig.SYSTEM_ARGS);
                 if (version.compareTo(ClientProfileVersions.MINECRAFT_1_16_5) <= 0) {
                     builder.setMaxJavaVersion(15);
                 }
@@ -178,6 +182,9 @@ public static String getMainClassByVersion(ClientProfile.Version version, MakePr
         if (findOption(options, MakeProfileOptionFabric.class).isPresent()) {
             return "net.fabricmc.loader.launch.knot.KnotClient";
         }
+        if(findOption(options, MakeProfilesOptionsQuilt.class).isPresent()) {
+            return "org.quiltmc.loader.impl.launch.knot.KnotClient";
+        }
         return "net.minecraft.client.main.Main";
     }
 
@@ -216,6 +223,9 @@ public static MakeProfileOption[] getMakeProfileOptionsFromDir(Path dir, ClientP
         if (Files.exists(dir.resolve("libraries/net/fabricmc/fabric-loader"))) {
             options.add(new MakeProfileOptionFabric(dir));
         }
+        if (Files.exists(dir.resolve("libraries/org/quiltmc/quilt-loader"))) {
+            options.add(new MakeProfilesOptionsQuilt());
+        }
         {
             String log4jVersion = getLog4jVersion(dir);
             if (log4jVersion != null) {
@@ -344,6 +354,10 @@ public List<String> getAltClassPath() {
         }
     }
 
+    public static class MakeProfilesOptionsQuilt implements MakeProfileOption {
+
+    }
+
     public static class MakeProfileOptionLiteLoader implements MakeProfileOption {
 
     }
diff --git a/LauncherAPI/src/main/java/pro/gravit/launcher/profiles/ClientProfile.java b/LauncherAPI/src/main/java/pro/gravit/launcher/profiles/ClientProfile.java
index 69f2037b..a5475723 100644
--- a/LauncherAPI/src/main/java/pro/gravit/launcher/profiles/ClientProfile.java
+++ b/LauncherAPI/src/main/java/pro/gravit/launcher/profiles/ClientProfile.java
@@ -467,10 +467,27 @@ public Version(long[] data, String original, boolean isObjectSerialized) {
         @Override
         public int compareTo(Version some) {
             int result = 0;
-            for (int i = 0; i < data.length; ++i) {
-                if (i > some.data.length) break;
-                result = Long.compare(data[i], some.data[i]);
-                if (result != 0) return result;
+            if(data.length == some.data.length) {
+                for (int i = 0; i < data.length; ++i) {
+                    result = Long.compare(data[i], some.data[i]);
+                    if (result != 0) return result;
+                }
+            } else if(data.length < some.data.length) {
+                for (int i = 0; i < data.length; ++i) {
+                    result = Long.compare(data[i], some.data[i]);
+                    if (result != 0) return result;
+                }
+                for(int i = data.length; i < some.data.length;++i) {
+                    if(some.data[i] > 0) return -1;
+                }
+            } else {
+                for (int i = 0; i < some.data.length; ++i) {
+                    result = Long.compare(data[i], some.data[i]);
+                    if (result != 0) return result;
+                }
+                for(int i = some.data.length; i < data.length;++i) {
+                    if(data[i] > 0) return 1;
+                }
             }
             return result;
         }
diff --git a/LauncherAPI/src/test/java/pro/gravit/launcher/ClientVersionTest.java b/LauncherAPI/src/test/java/pro/gravit/launcher/ClientVersionTest.java
new file mode 100644
index 00000000..b676e662
--- /dev/null
+++ b/LauncherAPI/src/test/java/pro/gravit/launcher/ClientVersionTest.java
@@ -0,0 +1,29 @@
+package pro.gravit.launcher;
+
+import org.junit.jupiter.api.Assertions;
+import org.junit.jupiter.api.Test;
+import pro.gravit.launcher.profiles.ClientProfile;
+
+public class ClientVersionTest {
+    @Test
+    public void parseTest() {
+        Assertions.assertEquals(ClientProfile.Version.of("1.0.0").toCleanString(), "1.0.0");
+        Assertions.assertEquals(ClientProfile.Version.of("1.0.0-1").toCleanString(), "1.0.0.1");
+        Assertions.assertEquals(ClientProfile.Version.of("-----1.0.0").toCleanString(), "1.0.0");
+    }
+
+    @Test
+    public void compareTest() {
+        Assertions.assertTrue(ClientProfile.Version.of("1.0.0").compareTo(ClientProfile.Version.of("1.0.0")) == 0);
+        Assertions.assertTrue(ClientProfile.Version.of("1.1.0").compareTo(ClientProfile.Version.of("1.0.0")) > 0);
+        Assertions.assertTrue(ClientProfile.Version.of("2.0.0").compareTo(ClientProfile.Version.of("1.0.0")) > 0);
+        Assertions.assertTrue(ClientProfile.Version.of("1.0.0").compareTo(ClientProfile.Version.of("1.0.1")) < 0);
+        Assertions.assertTrue(ClientProfile.Version.of("1.1.0").compareTo(ClientProfile.Version.of("1.0.0")) > 0);
+        Assertions.assertTrue(ClientProfile.Version.of("1.0.0").compareTo(ClientProfile.Version.of("1.1.0")) < 0);
+        Assertions.assertTrue(ClientProfile.Version.of("1.0").compareTo(ClientProfile.Version.of("1.0.0")) == 0);
+        Assertions.assertTrue(ClientProfile.Version.of("1.0.0").compareTo(ClientProfile.Version.of("1.0")) == 0);
+        Assertions.assertTrue(ClientProfile.Version.of("1.0.1").compareTo(ClientProfile.Version.of("1.0")) > 0);
+        Assertions.assertTrue(ClientProfile.Version.of("1.0").compareTo(ClientProfile.Version.of("1.0.1")) < 0);
+        Assertions.assertTrue(ClientProfile.Version.of("1.0").compareTo(ClientProfile.Version.of("1.0.1")) < 0);
+    }
+}
diff --git a/modules b/modules
index 06e98102..19e9cf3d 160000
--- a/modules
+++ b/modules
@@ -1 +1 @@
-Subproject commit 06e98102578275e84ba8d3b7aed65228ecbfc30e
+Subproject commit 19e9cf3d6ce7148db4374e3736862d52b5854638