diff --git a/HMCL/build.gradle b/HMCL/build.gradle
index 220770fec..7a919f65d 100755
--- a/HMCL/build.gradle
+++ b/HMCL/build.gradle
@@ -47,6 +47,7 @@ String mavenArtifactId = name
 
 task generateSources(type: Copy) {
     from 'src/main/java'
+    from 'src/core/java'
     into "$buildDir/generated-src"
     filter(org.apache.tools.ant.filters.ReplaceTokens, tokens: [
             'HELLO_MINECRAFT_LAUNCHER_VERSION_FOR_GRADLE_REPLACING': mavenVersion
diff --git a/HMCL/src/core/java/org/jackhuang/hellominecraft/launcher/core/asset/AssetsIndex.java b/HMCL/src/core/java/org/jackhuang/hellominecraft/launcher/core/asset/AssetsIndex.java
index 2f091535c..c1fb867ba 100755
--- a/HMCL/src/core/java/org/jackhuang/hellominecraft/launcher/core/asset/AssetsIndex.java
+++ b/HMCL/src/core/java/org/jackhuang/hellominecraft/launcher/core/asset/AssetsIndex.java
@@ -17,6 +17,7 @@
  */
 package org.jackhuang.hellominecraft.launcher.core.asset;
 
+import com.google.gson.annotations.SerializedName;
 import java.util.HashSet;
 import java.util.LinkedHashMap;
 import java.util.Map;
@@ -29,7 +30,11 @@ import java.util.Set;
 public class AssetsIndex {
 
     public static final String DEFAULT_ASSET_NAME = "legacy";
+
+    @SerializedName("objects")
     public Map<String, AssetsObject> objects;
+
+    @SerializedName("virtual")
     public boolean virtual;
 
     public AssetsIndex() {
diff --git a/HMCL/src/core/java/org/jackhuang/hellominecraft/launcher/core/auth/yggdrasil/Response.java b/HMCL/src/core/java/org/jackhuang/hellominecraft/launcher/core/auth/yggdrasil/Response.java
index 2d4390c9f..fdacf1f93 100755
--- a/HMCL/src/core/java/org/jackhuang/hellominecraft/launcher/core/auth/yggdrasil/Response.java
+++ b/HMCL/src/core/java/org/jackhuang/hellominecraft/launcher/core/auth/yggdrasil/Response.java
@@ -17,14 +17,24 @@
  */
 package org.jackhuang.hellominecraft.launcher.core.auth.yggdrasil;
 
+import com.google.gson.annotations.SerializedName;
+
 public class Response {
 
-    public String accessToken, clientToken;
+    @SerializedName("accessToken")
+    public String accessToken;
+    @SerializedName("clientToken")
+    public String clientToken;
+    @SerializedName("selectedProfile")
     public GameProfile selectedProfile;
+    @SerializedName("availableProfiles")
     public GameProfile[] availableProfiles;
+    @SerializedName("user")
     public User user;
-
+    @SerializedName("error")
     public String error;
+    @SerializedName("errorMessage")
     public String errorMessage;
+    @SerializedName("cause")
     public String cause;
 }
diff --git a/HMCL/src/core/java/org/jackhuang/hellominecraft/launcher/core/download/MinecraftRemoteVersions.java b/HMCL/src/core/java/org/jackhuang/hellominecraft/launcher/core/download/MinecraftRemoteVersions.java
index 5ce82cade..ddee725cd 100644
--- a/HMCL/src/core/java/org/jackhuang/hellominecraft/launcher/core/download/MinecraftRemoteVersions.java
+++ b/HMCL/src/core/java/org/jackhuang/hellominecraft/launcher/core/download/MinecraftRemoteVersions.java
@@ -17,6 +17,7 @@
  */
 package org.jackhuang.hellominecraft.launcher.core.download;
 
+import com.google.gson.annotations.SerializedName;
 import java.util.ArrayList;
 import org.jackhuang.hellominecraft.util.C;
 import org.jackhuang.hellominecraft.util.NetUtils;
@@ -28,7 +29,9 @@ import org.jackhuang.hellominecraft.util.OverridableSwingWorker;
  */
 public class MinecraftRemoteVersions {
 
+    @SerializedName("versions")
     public ArrayList<MinecraftRemoteVersion> versions;
+    @SerializedName("latest")
     public MinecraftRemoteLatestVersion latest;
 
     private static volatile MinecraftRemoteVersions INSTANCE = null;
diff --git a/HMCL/src/core/java/org/jackhuang/hellominecraft/launcher/core/install/forge/Install.java b/HMCL/src/core/java/org/jackhuang/hellominecraft/launcher/core/install/forge/Install.java
index dc066ae24..eadf7b065 100755
--- a/HMCL/src/core/java/org/jackhuang/hellominecraft/launcher/core/install/forge/Install.java
+++ b/HMCL/src/core/java/org/jackhuang/hellominecraft/launcher/core/install/forge/Install.java
@@ -17,20 +17,31 @@
  */
 package org.jackhuang.hellominecraft.launcher.core.install.forge;
 
+import com.google.gson.annotations.SerializedName;
+
 /**
  *
  * @author huangyuhui
  */
 public class Install {
 
+    @SerializedName("profileName")
     private String profileName;
+    @SerializedName("target")
     private String target;
+    @SerializedName("path")
     private String path;
+    @SerializedName("version")
     private String version;
+    @SerializedName("filePath")
     private String filePath;
+    @SerializedName("welcome")
     private String welcome;
+    @SerializedName("minecraft")
     private String minecraft;
+    @SerializedName("mirrorList")
     private String mirrorList;
+    @SerializedName("logo")
     private String logo;
 
     public Install() {
diff --git a/HMCL/src/core/java/org/jackhuang/hellominecraft/launcher/core/install/forge/MinecraftForgeVersionRoot.java b/HMCL/src/core/java/org/jackhuang/hellominecraft/launcher/core/install/forge/MinecraftForgeVersionRoot.java
index bab9a917b..a282fbe03 100755
--- a/HMCL/src/core/java/org/jackhuang/hellominecraft/launcher/core/install/forge/MinecraftForgeVersionRoot.java
+++ b/HMCL/src/core/java/org/jackhuang/hellominecraft/launcher/core/install/forge/MinecraftForgeVersionRoot.java
@@ -17,6 +17,7 @@
  */
 package org.jackhuang.hellominecraft.launcher.core.install.forge;
 
+import com.google.gson.annotations.SerializedName;
 import java.util.Map;
 
 /**
@@ -25,8 +26,22 @@ import java.util.Map;
  */
 public class MinecraftForgeVersionRoot {
 
-    public String artifact, webpath, adfly, homepage, name;
-    public Map<String, int[]> branches, mcversion;
+    @SerializedName("artifact")
+    public String artifact;
+    @SerializedName("webpath")
+    public String webpath;
+    @SerializedName("adfly")
+    public String adfly;
+    @SerializedName("homepage")
+    public String homepage;
+    @SerializedName("name")
+    public String name;
+    @SerializedName("branches")
+    public Map<String, int[]> branches;
+    @SerializedName("mcversion")
+    public Map<String, int[]> mcversion;
+    @SerializedName("promos")
     public Map<String, Integer> promos;
+    @SerializedName("number")
     public Map<Integer, MinecraftForgeVersion> number;
 }
diff --git a/HMCL/src/core/java/org/jackhuang/hellominecraft/launcher/core/install/liteloader/LiteLoaderMCVersions.java b/HMCL/src/core/java/org/jackhuang/hellominecraft/launcher/core/install/liteloader/LiteLoaderMCVersions.java
index f7fac6370..f6539c365 100755
--- a/HMCL/src/core/java/org/jackhuang/hellominecraft/launcher/core/install/liteloader/LiteLoaderMCVersions.java
+++ b/HMCL/src/core/java/org/jackhuang/hellominecraft/launcher/core/install/liteloader/LiteLoaderMCVersions.java
@@ -17,6 +17,7 @@
  */
 package org.jackhuang.hellominecraft.launcher.core.install.liteloader;
 
+import com.google.gson.annotations.SerializedName;
 import java.util.Map;
 
 /**
@@ -25,5 +26,6 @@ import java.util.Map;
  */
 public class LiteLoaderMCVersions {
 
+    @SerializedName("artefacts")
     public Map<String, Map<String, LiteLoaderVersion>> artefacts;
 }
diff --git a/HMCL/src/core/java/org/jackhuang/hellominecraft/launcher/core/install/liteloader/LiteLoaderVersion.java b/HMCL/src/core/java/org/jackhuang/hellominecraft/launcher/core/install/liteloader/LiteLoaderVersion.java
index 472e4d8c2..a1f5fdb73 100755
--- a/HMCL/src/core/java/org/jackhuang/hellominecraft/launcher/core/install/liteloader/LiteLoaderVersion.java
+++ b/HMCL/src/core/java/org/jackhuang/hellominecraft/launcher/core/install/liteloader/LiteLoaderVersion.java
@@ -17,6 +17,7 @@
  */
 package org.jackhuang.hellominecraft.launcher.core.install.liteloader;
 
+import com.google.gson.annotations.SerializedName;
 import org.jackhuang.hellominecraft.launcher.core.version.MinecraftLibrary;
 
 /**
@@ -25,6 +26,16 @@ import org.jackhuang.hellominecraft.launcher.core.version.MinecraftLibrary;
  */
 public class LiteLoaderVersion {
 
-    public String tweakClass, file, version, md5, timestamp;
+    @SerializedName("tweakClass")
+    public String tweakClass;
+    @SerializedName("file")
+    public String file;
+    @SerializedName("version")
+    public String version;
+    @SerializedName("md5")
+    public String md5;
+    @SerializedName("timestamp")
+    public String timestamp;
+    @SerializedName("libraries")
     public MinecraftLibrary[] libraries;
 }
diff --git a/HMCL/src/core/java/org/jackhuang/hellominecraft/launcher/core/install/liteloader/LiteLoaderVersionsMeta.java b/HMCL/src/core/java/org/jackhuang/hellominecraft/launcher/core/install/liteloader/LiteLoaderVersionsMeta.java
index 0f1d15d42..ee7a991e6 100755
--- a/HMCL/src/core/java/org/jackhuang/hellominecraft/launcher/core/install/liteloader/LiteLoaderVersionsMeta.java
+++ b/HMCL/src/core/java/org/jackhuang/hellominecraft/launcher/core/install/liteloader/LiteLoaderVersionsMeta.java
@@ -17,13 +17,20 @@
  */
 package org.jackhuang.hellominecraft.launcher.core.install.liteloader;
 
+import com.google.gson.annotations.SerializedName;
+
 /**
  *
  * @author huangyuhui
  */
 public class LiteLoaderVersionsMeta {
 
-    private String description, authors, url;
+    @SerializedName("versions")
+    private String description;
+    @SerializedName("authors")
+    private String authors;
+    @SerializedName("url")
+    private String url;
 
     public LiteLoaderVersionsMeta() {
     }
diff --git a/HMCL/src/core/java/org/jackhuang/hellominecraft/launcher/core/install/liteloader/LiteLoaderVersionsRoot.java b/HMCL/src/core/java/org/jackhuang/hellominecraft/launcher/core/install/liteloader/LiteLoaderVersionsRoot.java
index 7fa67fb51..d8051e41c 100755
--- a/HMCL/src/core/java/org/jackhuang/hellominecraft/launcher/core/install/liteloader/LiteLoaderVersionsRoot.java
+++ b/HMCL/src/core/java/org/jackhuang/hellominecraft/launcher/core/install/liteloader/LiteLoaderVersionsRoot.java
@@ -17,6 +17,7 @@
  */
 package org.jackhuang.hellominecraft.launcher.core.install.liteloader;
 
+import com.google.gson.annotations.SerializedName;
 import java.util.Map;
 
 /**
@@ -25,6 +26,8 @@ import java.util.Map;
  */
 public class LiteLoaderVersionsRoot {
 
+    @SerializedName("versions")
     public Map<String, LiteLoaderMCVersions> versions;
+    @SerializedName("meta")
     public LiteLoaderVersionsMeta meta;
 }
diff --git a/HMCL/src/core/java/org/jackhuang/hellominecraft/launcher/core/mod/ModInfo.java b/HMCL/src/core/java/org/jackhuang/hellominecraft/launcher/core/mod/ModInfo.java
index b25bfd90a..f508b2acc 100755
--- a/HMCL/src/core/java/org/jackhuang/hellominecraft/launcher/core/mod/ModInfo.java
+++ b/HMCL/src/core/java/org/jackhuang/hellominecraft/launcher/core/mod/ModInfo.java
@@ -18,6 +18,7 @@
 package org.jackhuang.hellominecraft.launcher.core.mod;
 
 import com.google.gson.JsonSyntaxException;
+import com.google.gson.annotations.SerializedName;
 import com.google.gson.reflect.TypeToken;
 import java.io.File;
 import java.io.IOException;
@@ -37,8 +38,27 @@ import org.jackhuang.hellominecraft.util.system.FileUtils;
  */
 public class ModInfo implements Comparable<ModInfo> {
 
+    @SerializedName("location")
     public File location;
-    public String modid, name, description, author, version, mcversion, url, updateUrl, credits;
+    @SerializedName("modid")
+    public String modid;
+    @SerializedName("name")
+    public String name;
+    @SerializedName("description")
+    public String description;
+    @SerializedName("author")
+    public String author;
+    @SerializedName("version")
+    public String version;
+    @SerializedName("mcversion")
+    public String mcversion;
+    @SerializedName("url")
+    public String url;
+    @SerializedName("updateUrl")
+    public String updateUrl;
+    @SerializedName("credits")
+    public String credits;
+    @SerializedName("authorList")
     public String[] authorList;
 
     public boolean isActive() {
diff --git a/HMCL/src/core/java/org/jackhuang/hellominecraft/launcher/core/version/Extract.java b/HMCL/src/core/java/org/jackhuang/hellominecraft/launcher/core/version/Extract.java
index 994177b08..8e6d04580 100755
--- a/HMCL/src/core/java/org/jackhuang/hellominecraft/launcher/core/version/Extract.java
+++ b/HMCL/src/core/java/org/jackhuang/hellominecraft/launcher/core/version/Extract.java
@@ -17,6 +17,7 @@
  */
 package org.jackhuang.hellominecraft.launcher.core.version;
 
+import com.google.gson.annotations.SerializedName;
 import java.util.ArrayList;
 import java.util.List;
 import org.jackhuang.hellominecraft.util.StrUtils;
@@ -27,6 +28,7 @@ import org.jackhuang.hellominecraft.util.StrUtils;
  */
 public class Extract implements Cloneable {
 
+    @SerializedName("exclude")
     public List<String> exclude = new ArrayList<>();
 
     public boolean allow(String path) {
diff --git a/HMCL/src/core/java/org/jackhuang/hellominecraft/launcher/core/version/GameDownloadInfo.java b/HMCL/src/core/java/org/jackhuang/hellominecraft/launcher/core/version/GameDownloadInfo.java
index 2398eb3b3..bbd0b4b91 100644
--- a/HMCL/src/core/java/org/jackhuang/hellominecraft/launcher/core/version/GameDownloadInfo.java
+++ b/HMCL/src/core/java/org/jackhuang/hellominecraft/launcher/core/version/GameDownloadInfo.java
@@ -17,6 +17,7 @@
  */
 package org.jackhuang.hellominecraft.launcher.core.version;
 
+import com.google.gson.annotations.SerializedName;
 import org.jackhuang.hellominecraft.launcher.core.download.DownloadType;
 
 /**
@@ -25,8 +26,11 @@ import org.jackhuang.hellominecraft.launcher.core.download.DownloadType;
  */
 public class GameDownloadInfo implements Cloneable {
 
+    @SerializedName("sha1")
     public String sha1;
+    @SerializedName("size")
     public int size;
+    @SerializedName("url")
     protected String url;
 
     /**
diff --git a/HMCL/src/core/java/org/jackhuang/hellominecraft/launcher/core/version/LibrariesDownloadInfo.java b/HMCL/src/core/java/org/jackhuang/hellominecraft/launcher/core/version/LibrariesDownloadInfo.java
index 3e6d986e0..3830639b1 100644
--- a/HMCL/src/core/java/org/jackhuang/hellominecraft/launcher/core/version/LibrariesDownloadInfo.java
+++ b/HMCL/src/core/java/org/jackhuang/hellominecraft/launcher/core/version/LibrariesDownloadInfo.java
@@ -17,6 +17,7 @@
  */
 package org.jackhuang.hellominecraft.launcher.core.version;
 
+import com.google.gson.annotations.SerializedName;
 import java.util.Map;
 
 /**
@@ -25,6 +26,8 @@ import java.util.Map;
  */
 public class LibrariesDownloadInfo {
 
+    @SerializedName("classifiers")
     Map<String, LibraryDownloadInfo> classifiers;
+    @SerializedName("artifact")
     LibraryDownloadInfo artifact;
 }
diff --git a/HMCL/src/core/java/org/jackhuang/hellominecraft/launcher/core/version/LibraryDownloadInfo.java b/HMCL/src/core/java/org/jackhuang/hellominecraft/launcher/core/version/LibraryDownloadInfo.java
index 84cb553ea..f2cb07a3e 100644
--- a/HMCL/src/core/java/org/jackhuang/hellominecraft/launcher/core/version/LibraryDownloadInfo.java
+++ b/HMCL/src/core/java/org/jackhuang/hellominecraft/launcher/core/version/LibraryDownloadInfo.java
@@ -17,6 +17,7 @@
  */
 package org.jackhuang.hellominecraft.launcher.core.version;
 
+import com.google.gson.annotations.SerializedName;
 import org.jackhuang.hellominecraft.launcher.core.download.DownloadType;
 import org.jackhuang.hellominecraft.util.StrUtils;
 import org.jackhuang.hellominecraft.util.system.IOUtils;
@@ -27,7 +28,9 @@ import org.jackhuang.hellominecraft.util.system.IOUtils;
  */
 public class LibraryDownloadInfo extends GameDownloadInfo {
 
+    @SerializedName("path")
     public String path;
+    @SerializedName("forgeURL")
     public String forgeURL;
 
     @Override
diff --git a/HMCL/src/core/java/org/jackhuang/hellominecraft/launcher/core/version/MinecraftLibrary.java b/HMCL/src/core/java/org/jackhuang/hellominecraft/launcher/core/version/MinecraftLibrary.java
index 91259565c..42717940f 100755
--- a/HMCL/src/core/java/org/jackhuang/hellominecraft/launcher/core/version/MinecraftLibrary.java
+++ b/HMCL/src/core/java/org/jackhuang/hellominecraft/launcher/core/version/MinecraftLibrary.java
@@ -17,6 +17,7 @@
  */
 package org.jackhuang.hellominecraft.launcher.core.version;
 
+import com.google.gson.annotations.SerializedName;
 import java.io.File;
 import java.util.ArrayList;
 import java.util.HashMap;
@@ -30,10 +31,15 @@ import org.jackhuang.hellominecraft.util.StrUtils;
  */
 public class MinecraftLibrary extends IMinecraftLibrary {
 
+    @SerializedName("rules")
     public ArrayList<Rules> rules;
+    @SerializedName("url")
     public String url;
+    @SerializedName("natives")
     public Natives natives;
+    @SerializedName("extract")
     public Extract extract;
+    @SerializedName("downloads")
     public LibrariesDownloadInfo downloads;
 
     public MinecraftLibrary(String name) {
diff --git a/HMCL/src/core/java/org/jackhuang/hellominecraft/launcher/core/version/MinecraftVersion.java b/HMCL/src/core/java/org/jackhuang/hellominecraft/launcher/core/version/MinecraftVersion.java
index a5753d3dd..5141b6612 100755
--- a/HMCL/src/core/java/org/jackhuang/hellominecraft/launcher/core/version/MinecraftVersion.java
+++ b/HMCL/src/core/java/org/jackhuang/hellominecraft/launcher/core/version/MinecraftVersion.java
@@ -17,6 +17,7 @@
  */
 package org.jackhuang.hellominecraft.launcher.core.version;
 
+import com.google.gson.annotations.SerializedName;
 import java.io.File;
 import java.util.ArrayList;
 import java.util.HashMap;
@@ -37,14 +38,37 @@ import org.jackhuang.hellominecraft.util.Utils;
  */
 public class MinecraftVersion implements Cloneable, Comparable<MinecraftVersion> {
 
-    public String minecraftArguments, mainClass, time, id, type, processArguments,
-        releaseTime, jar, inheritsFrom, runDir;
+    @SerializedName("minecraftArguments")
+    public String minecraftArguments;
+    @SerializedName("mainClass")
+    public String mainClass;
+    @SerializedName("time")
+    public String time;
+    @SerializedName("id")
+    public String id;
+    @SerializedName("type")
+    public String type;
+    @SerializedName("processArguments")
+    public String processArguments;
+    @SerializedName("releaseTime")
+    public String releaseTime;
+    @SerializedName("jar")
+    public String jar;
+    @SerializedName("inheritsFrom")
+    public String inheritsFrom;
+    @SerializedName("runDir")
+    public String runDir;
+    @SerializedName("assets")
     protected String assets;
+    @SerializedName("minimumLauncherVersion")
     public int minimumLauncherVersion;
+    @SerializedName("hidden")
     public boolean hidden;
+    @SerializedName("assetIndex")
     public AssetIndexDownloadInfo assetIndex;
+    @SerializedName("downloads")
     private Map<String, GameDownloadInfo> downloads;
-
+    @SerializedName("libraries")
     public ArrayList<MinecraftLibrary> libraries;
 
     public MinecraftVersion() {
diff --git a/HMCL/src/core/java/org/jackhuang/hellominecraft/launcher/core/version/Natives.java b/HMCL/src/core/java/org/jackhuang/hellominecraft/launcher/core/version/Natives.java
index 703fb9c92..c13051e4a 100755
--- a/HMCL/src/core/java/org/jackhuang/hellominecraft/launcher/core/version/Natives.java
+++ b/HMCL/src/core/java/org/jackhuang/hellominecraft/launcher/core/version/Natives.java
@@ -17,13 +17,20 @@
  */
 package org.jackhuang.hellominecraft.launcher.core.version;
 
+import com.google.gson.annotations.SerializedName;
+
 /**
  *
  * @author huangyuhui
  */
 public class Natives implements Cloneable {
 
-    public String windows, osx, linux;
+    @SerializedName("windows")
+    public String windows;
+    @SerializedName("osx")
+    public String osx;
+    @SerializedName("linux")
+    public String linux;
 
     @Override
     @SuppressWarnings("CloneDeclaresCloneNotSupported")
diff --git a/HMCL/src/core/java/org/jackhuang/hellominecraft/launcher/core/version/OSRestriction.java b/HMCL/src/core/java/org/jackhuang/hellominecraft/launcher/core/version/OSRestriction.java
index 3e7b6eff2..2e276adcf 100755
--- a/HMCL/src/core/java/org/jackhuang/hellominecraft/launcher/core/version/OSRestriction.java
+++ b/HMCL/src/core/java/org/jackhuang/hellominecraft/launcher/core/version/OSRestriction.java
@@ -17,6 +17,7 @@
  */
 package org.jackhuang.hellominecraft.launcher.core.version;
 
+import com.google.gson.annotations.SerializedName;
 import org.jackhuang.hellominecraft.util.StrUtils;
 import org.jackhuang.hellominecraft.util.system.OS;
 
@@ -26,7 +27,10 @@ import org.jackhuang.hellominecraft.util.system.OS;
  */
 public class OSRestriction {
 
-    private String version, name;
+    @SerializedName("version")
+    private String version;
+    @SerializedName("name")
+    public String name;
 
     public String getVersion() {
         return version;
diff --git a/HMCL/src/core/java/org/jackhuang/hellominecraft/launcher/core/version/Rules.java b/HMCL/src/core/java/org/jackhuang/hellominecraft/launcher/core/version/Rules.java
index dc3fdfa3b..1831a0536 100755
--- a/HMCL/src/core/java/org/jackhuang/hellominecraft/launcher/core/version/Rules.java
+++ b/HMCL/src/core/java/org/jackhuang/hellominecraft/launcher/core/version/Rules.java
@@ -17,13 +17,17 @@
  */
 package org.jackhuang.hellominecraft.launcher.core.version;
 
+import com.google.gson.annotations.SerializedName;
+
 /**
  *
  * @author huangyuhui
  */
 public class Rules {
 
+    @SerializedName("action")
     private String action;
+    @SerializedName("os")
     private OSRestriction os;
 
     public Rules() {
diff --git a/HMCL/src/main/java/org/jackhuang/hellominecraft/launcher/setting/Config.java b/HMCL/src/main/java/org/jackhuang/hellominecraft/launcher/setting/Config.java
index 7337d0420..1657642f9 100755
--- a/HMCL/src/main/java/org/jackhuang/hellominecraft/launcher/setting/Config.java
+++ b/HMCL/src/main/java/org/jackhuang/hellominecraft/launcher/setting/Config.java
@@ -43,7 +43,14 @@ public final class Config implements Cloneable {
     private String bgpath;
     @SerializedName("clientToken")
     private final String clientToken;
-    private String proxyHost, proxyPort, proxyUserName, proxyPassword;
+    @SerializedName("proxyHost")
+    private String proxyHost;
+    @SerializedName("proxyPort")
+    private String proxyPort;
+    @SerializedName("proxyUserName")
+    private String proxyUserName;
+    @SerializedName("proxyPassword")
+    private String proxyPassword;
     @SerializedName("enableShadow")
     private boolean enableShadow;
     @SerializedName("decorated")
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 4ed0a09a8..e9c69b195 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
@@ -17,6 +17,7 @@
  */
 package org.jackhuang.hellominecraft.launcher.setting;
 
+import com.google.gson.annotations.SerializedName;
 import java.io.File;
 import java.io.IOException;
 import org.jackhuang.hellominecraft.launcher.Main;
@@ -39,21 +40,48 @@ public class VersionSetting {
 
     public transient String id;
 
-    private String javaArgs, minecraftArgs, maxMemory, permSize, width, height;
-    private String javaDir, precalledCommand, serverIp, java, wrapper;
-    private boolean fullscreen, noJVMArgs, notCheckGame;
+    @SerializedName("javaArgs")
+    private String javaArgs;
+    @SerializedName("minecraftArgs")
+    private String minecraftArgs;
+    @SerializedName("maxMemory")
+    private String maxMemory;
+    @SerializedName("permSize")
+    private String permSize;
+    @SerializedName("width")
+    private String width;
+    @SerializedName("height")
+    private String height;
+    @SerializedName("javaDir")
+    private String javaDir;
+    @SerializedName("precalledCommand")
+    private String precalledCommand;
+    @SerializedName("serverIp")
+    private String serverIp;
+    @SerializedName("java")
+    private String java;
+    @SerializedName("wrapper")
+    private String wrapper;
+    @SerializedName("fullscreen")
+    private boolean fullscreen;
+    @SerializedName("noJVMArgs")
+    private boolean noJVMArgs;
+    @SerializedName("notCheckGame")
+    private boolean notCheckGame;
 
     /**
      * 0 - Close the launcher when the game starts.<br/>
      * 1 - Hide the launcher when the game starts.<br/>
      * 2 - Keep the launcher open.<br/>
      */
+    @SerializedName("launcherVisibility")
     private int launcherVisibility;
 
     /**
      * 0 - .minecraft<br/>
      * 1 - .minecraft/versions/&lt;version&gt;/<br/>
      */
+    @SerializedName("gameDirType")
     private int gameDirType;
 
     public transient final EventHandler<String> propertyChanged = new EventHandler<>(this);
diff --git a/HMCSM/src/main/java/org/jackhuang/hellominecraft/svrmgr/util/version/MinecraftRemoteLatestVersion.java b/HMCSM/src/main/java/org/jackhuang/hellominecraft/svrmgr/util/version/MinecraftRemoteLatestVersion.java
index f0f04f5ab..04e6e890f 100755
--- a/HMCSM/src/main/java/org/jackhuang/hellominecraft/svrmgr/util/version/MinecraftRemoteLatestVersion.java
+++ b/HMCSM/src/main/java/org/jackhuang/hellominecraft/svrmgr/util/version/MinecraftRemoteLatestVersion.java
@@ -17,12 +17,17 @@
  */
 package org.jackhuang.hellominecraft.svrmgr.util.version;
 
+import com.google.gson.annotations.SerializedName;
+
 /**
  *
  * @author huangyuhui
  */
 public class MinecraftRemoteLatestVersion {
 
-    public String snapshot, release;
+    @SerializedName("snapshot")
+    public String snapshot;
+    @SerializedName("release")
+    public String release;
 
 }
diff --git a/HMCSM/src/main/java/org/jackhuang/hellominecraft/svrmgr/util/version/MinecraftRemoteVersion.java b/HMCSM/src/main/java/org/jackhuang/hellominecraft/svrmgr/util/version/MinecraftRemoteVersion.java
index daa0a6fed..04e114da9 100755
--- a/HMCSM/src/main/java/org/jackhuang/hellominecraft/svrmgr/util/version/MinecraftRemoteVersion.java
+++ b/HMCSM/src/main/java/org/jackhuang/hellominecraft/svrmgr/util/version/MinecraftRemoteVersion.java
@@ -17,12 +17,21 @@
  */
 package org.jackhuang.hellominecraft.svrmgr.util.version;
 
+import com.google.gson.annotations.SerializedName;
+
 /**
  *
  * @author huangyuhui
  */
 public class MinecraftRemoteVersion {
 
-    public String id, time, releaseTime, type;
+    @SerializedName("id")
+    public String id;
+    @SerializedName("time")
+    public String time;
+    @SerializedName("releaseTime")
+    public String releaseTime;
+    @SerializedName("type")
+    public String type;
 
 }
diff --git a/HMCSM/src/main/java/org/jackhuang/hellominecraft/svrmgr/util/version/MinecraftRemoteVersions.java b/HMCSM/src/main/java/org/jackhuang/hellominecraft/svrmgr/util/version/MinecraftRemoteVersions.java
index d6b863218..15585e47c 100755
--- a/HMCSM/src/main/java/org/jackhuang/hellominecraft/svrmgr/util/version/MinecraftRemoteVersions.java
+++ b/HMCSM/src/main/java/org/jackhuang/hellominecraft/svrmgr/util/version/MinecraftRemoteVersions.java
@@ -17,6 +17,7 @@
  */
 package org.jackhuang.hellominecraft.svrmgr.util.version;
 
+import com.google.gson.annotations.SerializedName;
 import java.util.ArrayList;
 
 /**
@@ -25,7 +26,9 @@ import java.util.ArrayList;
  */
 public class MinecraftRemoteVersions {
 
+    @SerializedName("versions")
     public ArrayList<MinecraftRemoteVersion> versions;
+    @SerializedName("latest")
     public MinecraftRemoteLatestVersion latest;
 
 }