Refact code

Signed-off-by: Jaida Wu <mlgmxyysd@meowcat.org>

src/main/java/emu/grasscutter/Config.java

@@ -12,10 +12,10 @@ public final class Config {
 	public String GameServerIp = "127.0.0.1";
 	public String GameServerPublicIp = "";
 	public int GameServerPort = 22102;
-	
+
 	public String DatabaseUrl = "mongodb://localhost:27017";
 	public String DatabaseCollection = "grasscutter";
-	
+
 	public String RESOURCE_FOLDER = "./resources/";
 	public String DATA_FOLDER = "./data/";
 	public String PACKETS_FOLDER = "./packets/";
@@ -25,21 +25,21 @@ public final class Config {
 
 	public GameRates Game = new GameRates();
 	public ServerOptions ServerOptions = new ServerOptions();
-	
+
 	public GameRates getGameRates() {
 		return Game;
 	}
-	
+
 	public ServerOptions getServerOptions() {
 		return ServerOptions;
 	}
-	
+
 	public static class GameRates {
 		public float ADVENTURE_EXP_RATE = 1.0f;
 		public float MORA_RATE = 1.0f;
 		public float DOMAIN_DROP_RATE = 1.0f;
 	}
-	
+
 	public static class ServerOptions {
 		public int InventoryLimitWeapon = 2000;
 		public int InventoryLimitRelic = 2000;

src/main/java/emu/grasscutter/server/dispatch/json/ComboTokenReqJson.java

@@ -7,7 +7,7 @@ public class ComboTokenReqJson {
 	public String device;
 	public String sign;
 	
-	public class LoginTokenData {
+	public static class LoginTokenData {
 		public String uid;
 		public String token;
 		public boolean guest;

src/main/java/emu/grasscutter/server/dispatch/json/ComboTokenResJson.java

@@ -5,7 +5,7 @@ public class ComboTokenResJson {
 	public int retcode;
 	public LoginData data = new LoginData();
 	
-	public class LoginData {
+	public static class LoginData {
 		public int account_type = 1;
 		public boolean heartbeat;
 		public String combo_id;

src/main/java/emu/grasscutter/server/dispatch/json/LoginResultJson.java

@@ -5,7 +5,7 @@ public class LoginResultJson {
 	public int retcode;
 	public VerifyData data = new VerifyData();
 	
-	public class VerifyData {
+	public static class VerifyData {
 		public VerifyAccountData account = new VerifyAccountData();
 		public boolean device_grant_required = false;
 		public String realname_operation = "NONE";
@@ -13,7 +13,7 @@ public class LoginResultJson {
 		public boolean safe_mobile_required = false;
 	}
 	
-	public class VerifyAccountData {
+	public static class VerifyAccountData {
 		public String uid;
 		public String name = "";
 		public String email;