diff --git a/patches/server/0004-Leaves-Server-Config-And-Command.patch b/patches/server/0004-Leaves-Server-Config-And-Command.patch
index 405962ee..6b505629 100644
--- a/patches/server/0004-Leaves-Server-Config-And-Command.patch
+++ b/patches/server/0004-Leaves-Server-Config-And-Command.patch
@@ -128,10 +128,10 @@ index 35d2da9d91dcdd89de7c0f4af028fd182376ea8d..d73482fb1e71fe2951e96ae0593de268
                          .withRequiredArg()
 diff --git a/src/main/java/top/leavesmc/leaves/LeavesConfig.java b/src/main/java/top/leavesmc/leaves/LeavesConfig.java
 new file mode 100644
-index 0000000000000000000000000000000000000000..8a2b48542be4c40898464f79ac332f29e6880c3d
+index 0000000000000000000000000000000000000000..955904dfd4d22b7b2aacf6c800c33419624d52f3
 --- /dev/null
 +++ b/src/main/java/top/leavesmc/leaves/LeavesConfig.java
-@@ -0,0 +1,824 @@
+@@ -0,0 +1,826 @@
 +package top.leavesmc.leaves;
 +
 +import com.destroystokyo.paper.util.SneakyThrow;
@@ -621,9 +621,11 @@ index 0000000000000000000000000000000000000000..8a2b48542be4c40898464f79ac332f29
 +    }
 +
 +    public static boolean extraYggdrasilService = false;
++    public static boolean extraYggdrasilLoginProtect = false;
 +    public static List<String> extraYggdrasilServiceList = List.of("https://url.with.authlib-injector-yggdrasil");
 +    private static void extraYggdrasilService() {
 +        extraYggdrasilService = getBoolean("settings.misc.extra-yggdrasil-service.enable", extraYggdrasilService);
++        extraYggdrasilLoginProtect = getBoolean("settings.misc.extra-yggdrasil-service.login-protect", extraYggdrasilLoginProtect);
 +        extraYggdrasilServiceList = getList("settings.misc.extra-yggdrasil-service.urls", extraYggdrasilServiceList);
 +        if (extraYggdrasilService) {
 +        }
diff --git a/patches/server/0057-Leaves-Extra-Yggdrasil-Service.patch b/patches/server/0057-Leaves-Extra-Yggdrasil-Service.patch
index d1dd4a52..62c0af7a 100644
--- a/patches/server/0057-Leaves-Extra-Yggdrasil-Service.patch
+++ b/patches/server/0057-Leaves-Extra-Yggdrasil-Service.patch
@@ -30,8 +30,21 @@ index dae36c6452ccd57a436dd918547b64d59957ab0a..973ecf723e4239307600b42f2d12c264
              // CraftBukkit start
              String s = (String) Optional.ofNullable((String) optionset.valueOf("world")).orElse(dedicatedserversettings.getProperties().levelName);
              LevelStorageSource convertable = LevelStorageSource.createDefault(file.toPath());
+diff --git a/src/main/java/net/minecraft/server/MinecraftServer.java b/src/main/java/net/minecraft/server/MinecraftServer.java
+index c358f6de2947e16da54acdc7809c70ffae331944..54265a48aab8dc74c34903e177f9e578f459b35a 100644
+--- a/src/main/java/net/minecraft/server/MinecraftServer.java
++++ b/src/main/java/net/minecraft/server/MinecraftServer.java
+@@ -264,7 +264,7 @@ public abstract class MinecraftServer extends ReentrantBlockableEventLoop<TickTa
+     private boolean isDemo;
+     private volatile boolean isReady;
+     private long lastOverloadWarning;
+-    protected final Services services;
++    public final Services services; // Leaves - protected -> public
+     private long lastServerStatus;
+     public final Thread serverThread;
+     private long nextTickTime;
 diff --git a/src/main/java/top/leavesmc/leaves/LeavesConfig.java b/src/main/java/top/leavesmc/leaves/LeavesConfig.java
-index ffe31cf433c26264ab4d2e80bdbea166f79b614d..b5c0ad9065ab28b669ab602b8fe520b67f072c2c 100644
+index 59edfc922c5745e65469489cb319dbd0f1c812c9..e7bcaf347a28c805f68a805f460be33a44f84571 100644
 --- a/src/main/java/top/leavesmc/leaves/LeavesConfig.java
 +++ b/src/main/java/top/leavesmc/leaves/LeavesConfig.java
 @@ -12,6 +12,7 @@ import org.bukkit.configuration.ConfigurationSection;
@@ -42,8 +55,8 @@ index ffe31cf433c26264ab4d2e80bdbea166f79b614d..b5c0ad9065ab28b669ab602b8fe520b6
  import top.leavesmc.leaves.util.MathUtils;
  
  import java.io.File;
-@@ -510,6 +511,9 @@ public final class LeavesConfig {
-         extraYggdrasilService = getBoolean("settings.misc.extra-yggdrasil-service.enable", extraYggdrasilService);
+@@ -512,6 +513,9 @@ public final class LeavesConfig {
+         extraYggdrasilLoginProtect = getBoolean("settings.misc.extra-yggdrasil-service.login-protect", extraYggdrasilLoginProtect);
          extraYggdrasilServiceList = getList("settings.misc.extra-yggdrasil-service.urls", extraYggdrasilServiceList);
          if (extraYggdrasilService) {
 +            LeavesLogger.LOGGER.warning("extra-yggdrasil-service is an unofficial support. Enabling it may cause data security problems!");
@@ -163,10 +176,10 @@ index 0000000000000000000000000000000000000000..ee10e314a7e1af28ea008123f75caee2
 +}
 diff --git a/src/main/java/top/leavesmc/leaves/profile/LeavesMinecraftSessionService.java b/src/main/java/top/leavesmc/leaves/profile/LeavesMinecraftSessionService.java
 new file mode 100644
-index 0000000000000000000000000000000000000000..98ef48c9e47d2aff31bb326dd30a246cac94f55f
+index 0000000000000000000000000000000000000000..fc39aa3c97118a3796f10951145f17ad696a79cb
 --- /dev/null
 +++ b/src/main/java/top/leavesmc/leaves/profile/LeavesMinecraftSessionService.java
-@@ -0,0 +1,91 @@
+@@ -0,0 +1,101 @@
 +package top.leavesmc.leaves.profile;
 +
 +import com.destroystokyo.paper.profile.PaperMinecraftSessionService;
@@ -236,12 +249,22 @@ index 0000000000000000000000000000000000000000..98ef48c9e47d2aff31bb326dd30a246c
 +                arguments.put("ip", address.getHostAddress());
 +            }
 +
++            GameProfile cache = null;
++            if (LeavesConfig.extraYggdrasilLoginProtect) {
++                cache = MinecraftServer.getServer().services.profileCache().getProfileIfCached(user.getName());
++            }
++
 +            for (URL checkUrl : extraYggdrasilList) {
 +                URL url = HttpAuthenticationService.concatenateURL(checkUrl, HttpAuthenticationService.buildQuery(arguments));
 +
 +                try {
 +                    HasJoinedMinecraftServerResponse response = this.getAuthenticationService().makeHasJoinResponse(url);
 +                    if (response != null && response.getId() != null) {
++                        if (LeavesConfig.extraYggdrasilLoginProtect && cache != null) {
++                            if (response.getId() != cache.getId()) {
++                                continue;
++                            }
++                        }
 +                        result = new GameProfile(response.getId(), user.getName());
 +                        if (response.getProperties() != null) {
 +                            result.getProperties().putAll(response.getProperties());
diff --git a/patches/server/0061-Syncmatica-Protocol.patch b/patches/server/0061-Syncmatica-Protocol.patch
index f0044356..65097743 100644
--- a/patches/server/0061-Syncmatica-Protocol.patch
+++ b/patches/server/0061-Syncmatica-Protocol.patch
@@ -54,7 +54,7 @@ index 35295d8577acf11bd701ef2a7aa1bab3784c7274..16433351834ec562debcc1062ad1c0cf
                  ServerGamePacketListenerImpl.LOGGER.error("Couldn\'t dispatch custom payload", ex);
                  this.disconnect("Invalid custom payload!", org.bukkit.event.player.PlayerKickEvent.Cause.INVALID_PAYLOAD);
 diff --git a/src/main/java/top/leavesmc/leaves/LeavesConfig.java b/src/main/java/top/leavesmc/leaves/LeavesConfig.java
-index b5c0ad9065ab28b669ab602b8fe520b67f072c2c..12394d7ef3c2372fb8634a0b78d4da89912efe59 100644
+index e7bcaf347a28c805f68a805f460be33a44f84571..5db4a3687f05bdc1ab3da0e74536dc8f72c7c1b5 100644
 --- a/src/main/java/top/leavesmc/leaves/LeavesConfig.java
 +++ b/src/main/java/top/leavesmc/leaves/LeavesConfig.java
 @@ -13,6 +13,7 @@ import org.bukkit.configuration.file.YamlConfiguration;
@@ -65,7 +65,7 @@ index b5c0ad9065ab28b669ab602b8fe520b67f072c2c..12394d7ef3c2372fb8634a0b78d4da89
  import top.leavesmc.leaves.util.MathUtils;
  
  import java.io.File;
-@@ -548,6 +549,7 @@ public final class LeavesConfig {
+@@ -550,6 +551,7 @@ public final class LeavesConfig {
          syncmaticaQuota = getBoolean("settings.protocol.syncmatica.quota", syncmaticaQuota);
          syncmaticaQuotaLimit = getInt("settings.protocol.syncmatica.quota-limit", syncmaticaQuotaLimit);
          if (syncmaticaProtocol) {
diff --git a/patches/server/0071-Creative-fly-no-clip.patch b/patches/server/0071-Creative-fly-no-clip.patch
index 775c6e36..aee9b404 100644
--- a/patches/server/0071-Creative-fly-no-clip.patch
+++ b/patches/server/0071-Creative-fly-no-clip.patch
@@ -85,10 +85,10 @@ index d9baa85962236c42219cf09d4f3129be93ff069c..c1bd06fbc2c5683888f7264c35c25feb
  
      public boolean isSpawning() {
 diff --git a/src/main/java/top/leavesmc/leaves/LeavesConfig.java b/src/main/java/top/leavesmc/leaves/LeavesConfig.java
-index c69a2efafd31b2367cc9f20652585a801eecea0c..9badc03ac95064824a8dc3e8fbc74b88d6939d2e 100644
+index 41ecc020ee1277dc6af126a3531901567ce8217b..6c425c2aa1c722bf66aed452aefa4bf5dc96c027 100644
 --- a/src/main/java/top/leavesmc/leaves/LeavesConfig.java
 +++ b/src/main/java/top/leavesmc/leaves/LeavesConfig.java
-@@ -594,6 +594,7 @@ public final class LeavesConfig {
+@@ -596,6 +596,7 @@ public final class LeavesConfig {
      }
  
      public static void registerCarpetRules() {