diff --git a/gradle.properties b/gradle.properties
index c6b9099..a945a2e 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -3,4 +3,4 @@
 org.gradle.jvmargs=-Xmx3G
 org.gradle.daemon=false
 
-mod_version=1.20.1-1.3.3
\ No newline at end of file
+mod_version=1.20.1-1.3.4
\ No newline at end of file
diff --git a/src/main/java/vip/fubuki/playersync/PlayerSync.java b/src/main/java/vip/fubuki/playersync/PlayerSync.java
index d9ca417..f1e62bc 100644
--- a/src/main/java/vip/fubuki/playersync/PlayerSync.java
+++ b/src/main/java/vip/fubuki/playersync/PlayerSync.java
@@ -17,6 +17,7 @@ import vip.fubuki.playersync.sync.ChatSync;
 import vip.fubuki.playersync.sync.VanillaSync;
 import vip.fubuki.playersync.util.JDBCsetUp;
 
+import java.sql.ResultSet;
 import java.sql.SQLException;
 
 @Mod(PlayerSync.MODID)
@@ -51,6 +52,8 @@ public class PlayerSync
                   `advancements` blob,
                   `enderchest` mediumblob,
                   `effects` blob,
+                  `left_hands` blob,
+                  `cursors` blob,
                   `xp` int DEFAULT NULL,
                   `food_level` int DEFAULT NULL,
                   `score` int DEFAULT NULL,
@@ -59,6 +62,27 @@ public class PlayerSync
                   `last_server` int DEFAULT NULL,
                   PRIMARY KEY (`uuid`)
                 );""");
+
+        JDBCsetUp.QueryResult queryResult = JDBCsetUp.executeQuery("""
+                SELECT COUNT(*) AS column_count
+                FROM INFORMATION_SCHEMA.COLUMNS
+                 WHERE TABLE_NAME = 'player_data';
+                """);
+
+        ResultSet resultSet = queryResult.resultSet();
+        int columnCount = 0;
+        if(resultSet.next()) {
+            columnCount = resultSet.getInt("column_count");
+        }
+
+        if(columnCount<14){
+            JDBCsetUp.executeUpdate("""
+                    ALTER TABLE player_data
+                    ADD COLUMN left_hand blob,
+                    ADD COLUMN cursor blob;
+                    """);
+        }
+
         JDBCsetUp.executeUpdate("""
                 CREATE TABLE IF NOT EXISTS server_info (
                   `id` INT NOT NULL,
diff --git a/src/main/java/vip/fubuki/playersync/sync/ModsSupport.java b/src/main/java/vip/fubuki/playersync/sync/ModsSupport.java
index 6faceea..35c9b3d 100644
--- a/src/main/java/vip/fubuki/playersync/sync/ModsSupport.java
+++ b/src/main/java/vip/fubuki/playersync/sync/ModsSupport.java
@@ -23,7 +23,7 @@ public class ModsSupport {
               Curios Support
              */
             LazyOptional<top.theillusivec4.curios.api.type.capability.ICuriosItemHandler> itemHandler = top.theillusivec4.curios.api.CuriosApi.getCuriosInventory(player);
-            JDBCsetUp.QueryResult queryResult=JDBCsetUp.executeQuery("SELECT curios_item FROM curios WHERE uuid = '"+player.getUUID()+"'");
+            JDBCsetUp.QueryResult queryResult = JDBCsetUp.executeQuery("SELECT curios_item FROM curios WHERE uuid = '"+player.getUUID()+"'");
             ResultSet resultSet = queryResult.resultSet();
             if(resultSet.next()) {
                 String curios_data=resultSet.getString("curios_item");
diff --git a/src/main/java/vip/fubuki/playersync/sync/VanillaSync.java b/src/main/java/vip/fubuki/playersync/sync/VanillaSync.java
index e146b21..0bbd07a 100644
--- a/src/main/java/vip/fubuki/playersync/sync/VanillaSync.java
+++ b/src/main/java/vip/fubuki/playersync/sync/VanillaSync.java
@@ -5,6 +5,7 @@ import net.minecraft.nbt.CompoundTag;
 import net.minecraft.nbt.NbtUtils;
 import net.minecraft.network.chat.Component;
 import net.minecraft.server.level.ServerPlayer;
+import net.minecraft.world.InteractionHand;
 import net.minecraft.world.effect.MobEffect;
 import net.minecraft.world.effect.MobEffectInstance;
 import net.minecraft.world.entity.player.Inventory;
@@ -83,6 +84,10 @@ public class VanillaSync {
             serverPlayer.experienceProgress=0;
             serverPlayer.giveExperiencePoints(resultSet.getInt("xp"));
             serverPlayer.setScore(resultSet.getInt("score"));
+            //Left Hand
+            serverPlayer.setItemInHand(InteractionHand.OFF_HAND,ItemStack.of(NbtUtils.snbtToStructure(resultSet.getString("left_hand").replace("|",",").replace("^","\"").replace("<","{").replace(">","}").replace("~", "'"))));
+            //Cursor
+            serverPlayer.containerMenu.setCarried(ItemStack.of(NbtUtils.snbtToStructure(resultSet.getString("cursors").replace("|",",").replace("^","\"").replace("<","{").replace(">","}").replace("~", "'"))));
             //Equipment
             String armor_data=resultSet.getString("armor");
             if(armor_data.length()>2) {
@@ -212,6 +217,10 @@ public class VanillaSync {
         int score=player.getScore();
         int food_level=player.getFoodData().getFoodLevel();
         int health=(int) player.getHealth();
+        //Left hand
+        String left_hand = serialize(player.getItemInHand(InteractionHand.OFF_HAND).serializeNBT().toString());
+        //Cursor
+        String cursors = serialize(player.containerMenu.getCarried().serializeNBT().toString());
         //Equipment
         Map<Integer,String> equipment =new HashMap<>() ;
         for (int i = 0; i < player.getInventory().armor.size(); i++) {
@@ -266,8 +275,8 @@ public class VanillaSync {
 
         //SQL Operation
         if(init){
-            JDBCsetUp.executeUpdate("INSERT INTO player_data (uuid,armor,inventory,enderchest,advancements,effects,xp,food_level,health,score,online) VALUES ('"+player_uuid+"','"+equipment+"','"+inventoryMap+"','"+ender_chest+"','"+advancements+"','"+effectMap+"','"+XP+"','"+food_level+"','"+health+"','"+score+"',online=true)");
-        }else JDBCsetUp.executeUpdate("UPDATE player_data SET inventory = '"+inventoryMap+"',armor='"+equipment+"' ,xp='"+XP+"',effects='"+effectMap+"',enderchest='"+ender_chest+"',score='"+score+"',food_level='"+food_level+"',health='"+health+"',advancements='"+json+"' WHERE uuid = '"+player_uuid+"'");
+            JDBCsetUp.executeUpdate("INSERT INTO player_data (uuid,armor,inventory,enderchest,advancements,effects,xp,food_level,health,score,left_hand,cursors,online) VALUES ('"+player_uuid+"','"+equipment+"','"+inventoryMap+"','"+ender_chest+"','"+advancements+"','"+effectMap+"','"+XP+"','"+food_level+"','"+health+"','"+score+"','"+left_hand+"','"+cursors+"',online=true)");
+        }else JDBCsetUp.executeUpdate("UPDATE player_data SET inventory = '"+inventoryMap+"',armor='"+equipment+"' ,xp='"+XP+"',effects='"+effectMap+"',enderchest='"+ender_chest+"',score='"+score+"',food_level='"+food_level+"',health='"+health+"',advancements='"+json+"',left_hand='"+left_hand+"',cursors='"+cursors+"' WHERE uuid = '"+player_uuid+"'");
     }
 
     private static File[] scanAdvancementsFile(String player_uuid, File gameDir) {