diff --git a/LiteLoader/Header/MC/BlockSource.hpp b/LiteLoader/Header/MC/BlockSource.hpp
index 0cd2939..a47e8d6 100644
--- a/LiteLoader/Header/MC/BlockSource.hpp
+++ b/LiteLoader/Header/MC/BlockSource.hpp
@@ -26,7 +26,7 @@ public:
         Dimension* mDimension = dAccess< Dimension*>(this, 4);
         return dAccess<AutomaticID<class Dimension, int>>(mDimension, 192);
     };
-    LevelChunk * getChunkAt(BlockPos& pos) const{
+    LevelChunk * getChunkAt(const BlockPos& pos) const{
         ChunkPos chunkPos = ChunkPos(pos.x>>4, pos.z>>4);
         return getChunk(chunkPos);
     }
diff --git a/LiteLoader/Header/MC/ChunkBlockPos.hpp b/LiteLoader/Header/MC/ChunkBlockPos.hpp
index 1865e8f..208e503 100644
--- a/LiteLoader/Header/MC/ChunkBlockPos.hpp
+++ b/LiteLoader/Header/MC/ChunkBlockPos.hpp
@@ -43,7 +43,12 @@ ChunkBlockPos(char x, short y, char z)
     : x(x)
     , y(y)
     , z(z){};
-
+ChunkBlockPos(class BlockPos const & pos, short a2){
+    ChunkBlockPos(pos.x & 16,pos.y - a2,pos.z & 16);
+};
+ChunkBlockPos(unsigned char x, class ChunkLocalHeight y, unsigned char z){
+    ChunkBlockPos(x, y, z);
+}
 #undef AFTER_EXTRA
 #ifndef DISABLE_CONSTRUCTOR_PREVENTION_CHUNKBLOCKPOS
 public:
@@ -57,26 +62,26 @@ public:
      * @symbol ??0ChunkBlockPos@@QEAA@EVChunkLocalHeight@@E@Z
      * @hash   -1288855647
      */
-    MCAPI ChunkBlockPos(unsigned char, class ChunkLocalHeight, unsigned char);
+    //MCAPI ChunkBlockPos(unsigned char, class ChunkLocalHeight, unsigned char);
     /**
      * @symbol ??0ChunkBlockPos@@QEAA@AEBVBlockPos@@F@Z
      * @hash   -1853558367
      */
-    MCAPI ChunkBlockPos(class BlockPos const &, short);
+    //MCAPI ChunkBlockPos(class BlockPos const &, short);
     /**
      * @symbol ?toPos@ChunkBlockPos@@QEBA?AVPos@@XZ
      * @hash   1137411744
      */
-    MCAPI class Pos toPos() const;
+    //MCAPI class Pos toPos() const;
     /**
      * @symbol ?from2D@ChunkBlockPos@@SA?AV1@EE@Z
      * @hash   2007391019
      */
-    MCAPI static class ChunkBlockPos from2D(unsigned char, unsigned char);
+    //MCAPI static class ChunkBlockPos from2D(unsigned char, unsigned char);
     /**
      * @symbol ?fromLegacyIndex@ChunkBlockPos@@SA?AV1@G@Z
      * @hash   -1358394925
      */
-    MCAPI static class ChunkBlockPos fromLegacyIndex(unsigned short);
+    //MCAPI static class ChunkBlockPos fromLegacyIndex(unsigned short);
 
 };
\ No newline at end of file
diff --git a/LiteLoader/Header/MC/CommandUtils.hpp b/LiteLoader/Header/MC/CommandUtils.hpp
index 30a81e7..9548443 100644
--- a/LiteLoader/Header/MC/CommandUtils.hpp
+++ b/LiteLoader/Header/MC/CommandUtils.hpp
@@ -12,12 +12,11 @@ namespace CommandUtils {
 
 #define AFTER_EXTRA
 
-//    std::string getActorName(Actor &actor,int a1) {
-//        //a1是没啥用的，只是为了改变符号
-//        std::string (*rv)(Actor &);
-//        *((void**)&rv) = dlsym("?getEntityName@@YA?AV?$basic_string@DU?$char_traits@D@std@@V?$allocator@D@2@@std@@AEBVActor@@@Z");
-//        return (*rv)(actor);
-//    }
+    inline std::string getActorName(class Actor const &actor) {
+        std::string (*rv)(class Actor const &);
+        *((void**)&rv) = dlsym("?getEntityName@@YA?AV?$basic_string@DU?$char_traits@D@std@@V?$allocator@D@2@@std@@AEBVActor@@@Z");
+        return (*rv)(actor);
+    }
 #undef AFTER_EXTRA
     MCAPI extern std::vector<struct std::pair<std::string, char>> const CMD_INPUT_UNICODE_TRANSLATE_MAP;
     MCAPI bool addItemInstanceComponents(class ItemInstance &, class Json::Value const &, std::string &);
diff --git a/LiteLoader/Header/MC/Dimension.hpp b/LiteLoader/Header/MC/Dimension.hpp
index 5ed6d2b..a1b8d5b 100644
--- a/LiteLoader/Header/MC/Dimension.hpp
+++ b/LiteLoader/Header/MC/Dimension.hpp
@@ -12,8 +12,12 @@ class Dimension {
 #define AFTER_EXTRA
 public:
     BlockSource& getBlockSourceFromMainChunkSource() const{
-        return *dAccess<BlockSource*>(this, 96);
+        //ExplorationMapFunction::apply Line57
+        return *dAccess<BlockSource*>(this, 72);
     };
+    int getHeight(){
+        return dAccess<int>(this,202);
+    }
 #undef AFTER_EXTRA
 #ifndef DISABLE_CONSTRUCTOR_PREVENTION_DIMENSION
 public:
diff --git a/LiteLoader/Kernel/Command/DynamicCommandAPI.cpp b/LiteLoader/Kernel/Command/DynamicCommandAPI.cpp
index a0370c3..85a33f5 100644
--- a/LiteLoader/Kernel/Command/DynamicCommandAPI.cpp
+++ b/LiteLoader/Kernel/Command/DynamicCommandAPI.cpp
@@ -332,8 +332,7 @@
              for (auto& actor : actors) {
                  if (!first)
                      oss << ", ";
-                 oss << actor->getNameTag();
-                 //oss << CommandUtils::getActorName(*actor,1);
+                 oss << CommandUtils::getActorName(*actor);
              }
              oss << "]";
              return fmt::format("name: {:15s}, type: {:15s}, isSet: {:5}, value: {}", name, typeName, isSet, oss.str());
diff --git a/LiteLoader/Kernel/EventAPI.cpp b/LiteLoader/Kernel/EventAPI.cpp
index 36f3194..6dd1055 100644
--- a/LiteLoader/Kernel/EventAPI.cpp
+++ b/LiteLoader/Kernel/EventAPI.cpp
@@ -323,6 +323,7 @@ TClasslessInstanceHook(void, "?sendLoginMessageLocal@ServerNetworkHandler@@QEAAX
 /////////////////// PlayerJoin ///////////////////
  TInstanceHook(bool, "?onReady_ClientGeneration@ServerNetworkHandler@@QEAAXAEAVPlayer@@AEBVNetworkIdentifier@@@Z",
               ServerNetworkHandler,Player* player,NetworkIdentifier *net) {
+     //std::cout<<"PlayerJoin"<<std::endl;
      IF_LISTENED(PlayerJoinEvent) {
          PlayerJoinEvent ev{};
          ev.mPlayer = player;
@@ -336,8 +337,9 @@ TClasslessInstanceHook(void, "?sendLoginMessageLocal@ServerNetworkHandler@@QEAAX
 
 
 /////////////////// PlayerLeft ///////////////////
- THook(void, "?_onPlayerLeft@ServerNetworkHandler@@AEAAXPEAVServerPlayer@@_N@Z",
-       ServerNetworkHandler *_this,ServerPlayer* sp,char a3) {
+ TInstanceHook(void, "?_onPlayerLeft@ServerNetworkHandler@@AEAAXPEAVServerPlayer@@_N@Z",
+       ServerNetworkHandler,ServerPlayer* sp,char a3) {
+     //std::cout<<"PlayerJoin"<<std::endl;
      IF_LISTENED(PlayerLeftEvent) {
          PlayerLeftEvent ev{};
          ev.mPlayer = sp;
@@ -345,7 +347,7 @@ TClasslessInstanceHook(void, "?sendLoginMessageLocal@ServerNetworkHandler@@QEAAX
          ev.call();
      }
      IF_LISTENED_END(PlayerLeftEvent)
-     return original(_this,sp,a3);
+     return original(this,sp,a3);
  }
 
 /////////////////// PlayerRespawn ///////////////////