diff --git a/LauncherAPI/src/main/java/pro/gravit/launcher/base/request/auth/password/AuthCodePassword.java b/LauncherAPI/src/main/java/pro/gravit/launcher/base/request/auth/password/AuthCodePassword.java
index 5b3c6e03..4d123b53 100644
--- a/LauncherAPI/src/main/java/pro/gravit/launcher/base/request/auth/password/AuthCodePassword.java
+++ b/LauncherAPI/src/main/java/pro/gravit/launcher/base/request/auth/password/AuthCodePassword.java
@@ -3,10 +3,10 @@
 import pro.gravit.launcher.base.request.auth.AuthRequest;
 
 public class AuthCodePassword implements AuthRequest.AuthPasswordInterface {
-    public final String code;
+    public final String uri;
 
-    public AuthCodePassword(String code) {
-        this.code = code;
+    public AuthCodePassword(String uri) {
+        this.uri = uri;
     }
 
     @Override
diff --git a/LauncherCore/src/main/java/pro/gravit/utils/helper/CommonHelper.java b/LauncherCore/src/main/java/pro/gravit/utils/helper/CommonHelper.java
index a286c248..f11f3567 100644
--- a/LauncherCore/src/main/java/pro/gravit/utils/helper/CommonHelper.java
+++ b/LauncherCore/src/main/java/pro/gravit/utils/helper/CommonHelper.java
@@ -258,6 +258,14 @@ public static ArgsParseResult parseJavaArgs(List<String> args) {
         return new ArgsParseResult(conf, classpath, jvmArgs, mainClass, mainModule, jarFile, args);
     }
 
+    public static <K, V> V multimapFirstOrNullValue(K key, Map<K, List<V>> params) {
+        List<V> list = params.getOrDefault(key, Collections.emptyList());
+        if (list.isEmpty()) {
+            return null;
+        }
+        return list.getFirst();
+    }
+
     public record ArgsParseResult(LaunchOptions.ModuleConf conf, List<String> classpath, List<String> jvmArgs, String mainClass, String mainModule, String jarFile, List<String> args) {
 
     }
diff --git a/LauncherCore/src/main/java/pro/gravit/utils/helper/QueryHelper.java b/LauncherCore/src/main/java/pro/gravit/utils/helper/QueryHelper.java
new file mode 100644
index 00000000..e34b06d4
--- /dev/null
+++ b/LauncherCore/src/main/java/pro/gravit/utils/helper/QueryHelper.java
@@ -0,0 +1,29 @@
+package pro.gravit.utils.helper;
+
+import java.net.URI;
+import java.net.URLDecoder;
+import java.net.URLEncoder;
+import java.nio.charset.StandardCharsets;
+import java.util.*;
+
+public class QueryHelper {
+    public static Map<String, List<String>> splitUriQuery(URI uri) {
+        var query = uri.getRawQuery();
+        if (query == null) {
+            return Collections.emptyMap();
+        }
+        Map<String, List<String>> params = new HashMap<>();
+        String[] split = query.split("&");
+        for (String qParams : split) {
+            String[] splitParams = qParams.split("=");
+            List<String> strings = params.computeIfAbsent(URLDecoder.decode(splitParams[0], StandardCharsets.UTF_8),
+                    k -> new ArrayList<>(1));
+            strings.add(URLDecoder.decode(splitParams[1], StandardCharsets.UTF_8));
+        }
+        return params;
+    }
+
+    public static String encodeFormPair(String key, String value) {
+        return URLEncoder.encode(key, StandardCharsets.UTF_8) + "=" + URLEncoder.encode(value, StandardCharsets.UTF_8);
+    }
+}