diff --git a/LiteLoader/Header/MC/Player.hpp b/LiteLoader/Header/MC/Player.hpp
index fee59af..4293961 100644
--- a/LiteLoader/Header/MC/Player.hpp
+++ b/LiteLoader/Header/MC/Player.hpp
@@ -24,6 +24,9 @@ class Player : public Mob {
 
 #define AFTER_EXTRA
     // Add new members to class
+    // mClientUUID 2720
+    // mCertificate 2736
+    // mClientSubId 3520
 public:
     enum PositionMode : char {
         NORMAL,
@@ -34,8 +37,9 @@ public:
 
     LIAPI std::string getName();
     LIAPI std::string getRealName();
-    LIAPI std::string getUuid();
+    LIAPI std::string getUuid()const;
     LIAPI std::string getXuid()const;
+    LIAPI mce::UUID getClientUUID()const;
     LIAPI unsigned char getClientSubId();
     LIAPI string getDeviceTypeName();
     LIAPI int getAvgPing();
diff --git a/LiteLoader/Kernel/MC/PlayerAPI.cpp b/LiteLoader/Kernel/MC/PlayerAPI.cpp
index 4f55f66..0cc27cf 100644
--- a/LiteLoader/Kernel/MC/PlayerAPI.cpp
+++ b/LiteLoader/Kernel/MC/PlayerAPI.cpp
@@ -311,7 +311,7 @@ bool Player::refreshAttributes(std::vector<Attribute const*> const& attributes)
     return true;
 }
 
-string Player::getUuid() {
+string Player::getUuid() const{
     auto result = ExtendedCertificate::getIdentity(*getCertificate());
     return result.asString();
 }
@@ -320,6 +320,10 @@ string Player::getXuid() const{
     return ExtendedCertificate::getXuid(*getCertificate());
 }
 
+mce::UUID Player::getClientUUID()const{
+    return dAccess<mce::UUID>(this,2720);
+};
+
 unsigned char Player::getClientSubId() {
     //ServerPlayer::sendNetworkPacket 参4
     return dAccess<unsigned char>(this,3520);