diff --git a/build.gradle b/build.gradle
index 590d5ea..79120e9 100644
--- a/build.gradle
+++ b/build.gradle
@@ -4,7 +4,7 @@ plugins {
     id 'net.minecraftforge.gradle' version '5.1.+'
 }
 
-version = '1.2.0'
+version = mod_version
 group = 'vip.fubuki.playersync' // http://maven.apache.org/guides/mini/guide-naming-conventions.html
 archivesBaseName = 'playersync'
 
diff --git a/gradle.properties b/gradle.properties
index 878bf1f..b1aaf86 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -1,4 +1,6 @@
 # Sets default memory used for gradle commands. Can be overridden by user or command line properties.
 # This is required to provide enough memory for the Minecraft decompilation process.
 org.gradle.jvmargs=-Xmx3G
-org.gradle.daemon=false
\ No newline at end of file
+org.gradle.daemon=false
+
+mod_version=1.16.5-1.2.1
\ 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 1000303..ce8e4a4 100644
--- a/src/main/java/vip/fubuki/playersync/PlayerSync.java
+++ b/src/main/java/vip/fubuki/playersync/PlayerSync.java
@@ -38,14 +38,14 @@ public class PlayerSync
 
     @SubscribeEvent
     public void onServerStarting(FMLServerStartingEvent event) throws SQLException {
-        JDBCsetUp.executeUpdate("CREATE DATABASE IF NOT EXISTS "+JdbcConfig.DATABASE_NAME.get());
+        JDBCsetUp.executeUpdate("CREATE DATABASE IF NOT EXISTS "+JdbcConfig.DATABASE_NAME.get(),1);
 
         JDBCsetUp.executeUpdate("CREATE TABLE IF NOT EXISTS player_data (uuid CHAR(36) NOT NULL," +
                 "inventory MEDIUMBLOB,armor BLOB,advancements BLOB,enderchest MEDIUMBLOB,effects BLOB," +
                 "xp int,food_level int,score int,health int,online boolean, last_server int, PRIMARY KEY (uuid))");
         JDBCsetUp.executeUpdate("CREATE TABLE IF NOT EXISTS chat (player CHAR(36) NOT NULL,message TEXT," +
                 "timestamp BIGINT)");
-        JDBCsetUp.executeUpdate(" CREATE TABLE IF NOT EXISTS server_info (`id` INT NOT NULL,`enable` boolean NOT NULL,`last_update` BIGINT NOT NULL,PRIMARY KEY (`id`));");
+        JDBCsetUp.executeUpdate("CREATE TABLE IF NOT EXISTS server_info (`id` INT NOT NULL,`enable` boolean NOT NULL,`last_update` BIGINT NOT NULL,PRIMARY KEY (`id`));");
         long current = System.currentTimeMillis();
         JDBCsetUp.executeUpdate("INSERT INTO server_info(id,enable,last_update) " +
                 "VALUES(" + JdbcConfig.SERVER_ID.get() + ",true," + current + ") " +
diff --git a/src/main/java/vip/fubuki/playersync/sync/VanillaSync.java b/src/main/java/vip/fubuki/playersync/sync/VanillaSync.java
index 4504bef..b7aae93 100644
--- a/src/main/java/vip/fubuki/playersync/sync/VanillaSync.java
+++ b/src/main/java/vip/fubuki/playersync/sync/VanillaSync.java
@@ -177,13 +177,13 @@ public class VanillaSync {
 
     @SubscribeEvent
     public static void onServerShutdown(FMLServerStoppedEvent event) throws SQLException {
-        JDBCsetUp.executeUpdate("UPDATE server_info SET enable=false WHERE id=" + JdbcConfig.SERVER_ID.get());
+        JDBCsetUp.executeUpdate("UPDATE server_info SET enable= 'false' WHERE id=" + JdbcConfig.SERVER_ID.get());
     }
 
     public static void doPlayerLogout(PlayerEvent.PlayerLoggedOutEvent event) throws SQLException, IOException {
         if(!event.getEntity().getTags().contains("player_synced")) return;
         String player_uuid = event.getEntity().getUUID().toString();
-        JDBCsetUp.executeUpdate("UPDATE player_data SET online=false WHERE uuid='"+player_uuid+"'");
+        JDBCsetUp.executeUpdate("UPDATE player_data SET online= 'false' WHERE uuid='"+player_uuid+"'");
         Store(event.getPlayer(),false,Dist.CLIENT.isDedicatedServer());
         //Mod support
         ModsSupport modsSupport = new ModsSupport();
diff --git a/src/main/java/vip/fubuki/playersync/util/JDBCsetUp.java b/src/main/java/vip/fubuki/playersync/util/JDBCsetUp.java
index 6ffa8b6..21c731c 100644
--- a/src/main/java/vip/fubuki/playersync/util/JDBCsetUp.java
+++ b/src/main/java/vip/fubuki/playersync/util/JDBCsetUp.java
@@ -1,5 +1,6 @@
 package vip.fubuki.playersync.util;
 
+import org.lwjgl.system.CallbackI;
 import vip.fubuki.playersync.config.JdbcConfig;
 
 import java.sql.*;
@@ -24,13 +25,16 @@ public class JDBCsetUp {
     }
 
     public static int executeUpdate(String sql) throws SQLException{
+        return executeUpdate(sql,0);
+    }
+
+    public static int executeUpdate(String sql,int init) throws SQLException{
         try (Connection connection = getConnection()) {
 
-            try (PreparedStatement useStatement = connection.prepareStatement("USE " + JdbcConfig.DATABASE_NAME.get())) {
-                useStatement.executeUpdate();
+            if(init==0){
+                sql="USE " + JdbcConfig.DATABASE_NAME.get() +";" + sql;
             }
 
-
             try (PreparedStatement updateStatement = connection.prepareStatement(sql)) {
                 return updateStatement.executeUpdate();
             }
diff --git a/src/main/resources/META-INF/mods.toml b/src/main/resources/META-INF/mods.toml
index 6286258..82d7c09 100644
--- a/src/main/resources/META-INF/mods.toml
+++ b/src/main/resources/META-INF/mods.toml
@@ -6,7 +6,7 @@
 # The name of the mod loader type to load - for regular FML @Mod mods it should be javafml
 modLoader="javafml" #mandatory
 # A version range to match for said mod loader - for regular FML @Mod it will be the forge version
-loaderVersion="[40,)" #mandatory This is typically bumped every Minecraft version by Forge. See our download page for lists of versions.
+loaderVersion="[36,)" #mandatory This is typically bumped every Minecraft version by Forge. See our download page for lists of versions.
 # The license for you mod. This is mandatory metadata and allows for easier comprehension of your redistributive properties.
 # Review your options at https://choosealicense.com/. All rights reserved is the default copyright stance, and is thus the default here.
 license="GPL-3.0 license"
@@ -16,10 +16,7 @@ license="GPL-3.0 license"
 [[mods]] #mandatory
 # The modid of the mod
 modId="playersync" #mandatory
-# The version number of the mod - there's a few well known ${} variables useable here or just hardcode it
-# ${file.jarVersion} will substitute the value of the Implementation-Version as read from the mod's JAR file metadata
-# see the associated build.gradle script for how to populate this completely automatically during a build
-version="1.2.0" #mandatory
+version="${file.jarVersion}" #mandatory
  # A display name for the mod
 displayName="PlayerSync" #mandatory
 # A URL to query for updates for this mod. See the JSON update specification https://mcforge.readthedocs.io/en/latest/gettingstarted/autoupdate/