diff --git a/currency-plugin/build.gradle b/currency-plugin/build.gradle
index d0ed7a3..3fe6bf0 100644
--- a/currency-plugin/build.gradle
+++ b/currency-plugin/build.gradle
@@ -5,7 +5,7 @@ plugins {
 }
 
 group 'cn.hamster3'
-version '2.1.2'
+version '2.2.0'
 
 repositories {
     maven {
@@ -53,7 +53,7 @@ publishing {
             artifactId = "HamsterCurrency"
             artifact jar
             artifact sourcesJar
-            artifact javadocJar
+            //artifact javadocJar
         }
     }
 
diff --git a/currency-plugin/src/main/java/cn/hamster3/currency/HamsterCurrency.java b/currency-plugin/src/main/java/cn/hamster3/currency/HamsterCurrency.java
index e345c59..72f1102 100644
--- a/currency-plugin/src/main/java/cn/hamster3/currency/HamsterCurrency.java
+++ b/currency-plugin/src/main/java/cn/hamster3/currency/HamsterCurrency.java
@@ -27,17 +27,23 @@ import org.bukkit.plugin.java.JavaPlugin;
 import java.sql.SQLException;
 
 public final class HamsterCurrency extends JavaPlugin {
+    private static HamsterCurrency instance;
     private static LogUtils logUtils;
     private IDataManager dataManager;
     private CurrencyListener listener;
     private boolean loaded;
 
+    public static HamsterCurrency getInstance() {
+        return instance;
+    }
+
     public static LogUtils getLogUtils() {
         return logUtils;
     }
 
     @Override
     public void onLoad() {
+        instance = this;
         logUtils = new LogUtils(this);
         FileManager.reload(this);
         logUtils.infoDividingLine();
diff --git a/currency-plugin/src/main/java/cn/hamster3/currency/api/CurrencyAPI.java b/currency-plugin/src/main/java/cn/hamster3/currency/api/CurrencyAPI.java
index bc6c3b1..4165001 100644
--- a/currency-plugin/src/main/java/cn/hamster3/currency/api/CurrencyAPI.java
+++ b/currency-plugin/src/main/java/cn/hamster3/currency/api/CurrencyAPI.java
@@ -1,9 +1,11 @@
 package cn.hamster3.currency.api;
 
+import cn.hamster3.currency.HamsterCurrency;
 import cn.hamster3.currency.core.IDataManager;
 import cn.hamster3.currency.data.CurrencyLog;
 import cn.hamster3.currency.data.CurrencyType;
 import cn.hamster3.currency.data.PlayerData;
+import cn.hamster3.currency.event.CurrencyChangeEvent;
 import org.black_ixx.playerpoints.PlayerPoints;
 import org.bukkit.Bukkit;
 
@@ -41,6 +43,8 @@ public abstract class CurrencyAPI {
         if (data == null) {
             return;
         }
+        CurrencyChangeEvent event = new CurrencyChangeEvent(uuid, currencyID, data.getPlayerCurrency(currencyID), amount);
+        Bukkit.getScheduler().runTaskAsynchronously(HamsterCurrency.getInstance(), () -> Bukkit.getPluginManager().callEvent(event));
         data.setPlayerCurrency(currencyID, amount);
         dataManager.savePlayerData(data);
         dataManager.insertLog(new CurrencyLog(uuid, data.getPlayerName(), currencyID, "set", amount, amount));
@@ -56,6 +60,8 @@ public abstract class CurrencyAPI {
             return;
         }
         double balance = data.getPlayerCurrency(currencyID) + amount;
+        CurrencyChangeEvent event = new CurrencyChangeEvent(uuid, currencyID, data.getPlayerCurrency(currencyID), balance);
+        Bukkit.getScheduler().runTaskAsynchronously(HamsterCurrency.getInstance(), () -> Bukkit.getPluginManager().callEvent(event));
         data.setPlayerCurrency(currencyID, balance);
         dataManager.savePlayerData(data);
         dataManager.insertLog(new CurrencyLog(uuid, data.getPlayerName(), currencyID, "add", amount, balance));
@@ -71,6 +77,8 @@ public abstract class CurrencyAPI {
             return;
         }
         double balance = data.getPlayerCurrency(currencyID) - amount;
+        CurrencyChangeEvent event = new CurrencyChangeEvent(uuid, currencyID, data.getPlayerCurrency(currencyID), balance);
+        Bukkit.getScheduler().runTaskAsynchronously(HamsterCurrency.getInstance(), () -> Bukkit.getPluginManager().callEvent(event));
         data.setPlayerCurrency(currencyID, balance);
         dataManager.savePlayerData(data);
         dataManager.insertLog(new CurrencyLog(uuid, data.getPlayerName(), currencyID, "take", amount, balance));
diff --git a/currency-plugin/src/main/java/cn/hamster3/currency/event/CurrencyChangeEvent.java b/currency-plugin/src/main/java/cn/hamster3/currency/event/CurrencyChangeEvent.java
new file mode 100644
index 0000000..f3d3571
--- /dev/null
+++ b/currency-plugin/src/main/java/cn/hamster3/currency/event/CurrencyChangeEvent.java
@@ -0,0 +1,53 @@
+package cn.hamster3.currency.event;
+
+import org.bukkit.event.Event;
+import org.bukkit.event.HandlerList;
+import org.jetbrains.annotations.NotNull;
+
+import java.util.UUID;
+
+@SuppressWarnings("unused")
+public class CurrencyChangeEvent extends Event {
+    private static final HandlerList handlerList = new HandlerList();
+    @NotNull
+    private final UUID playerUUID;
+    @NotNull
+    private final String currencyID;
+    private final double oldAmount;
+    private final double newAmount;
+
+    public CurrencyChangeEvent(@NotNull UUID playerUUID, @NotNull String currencyID, double oldAmount, double newAmount) {
+        super(true);
+        this.playerUUID = playerUUID;
+        this.currencyID = currencyID;
+        this.oldAmount = oldAmount;
+        this.newAmount = newAmount;
+    }
+
+    public static HandlerList getHandlerList() {
+        return handlerList;
+    }
+
+    @NotNull
+    public UUID getPlayerUUID() {
+        return playerUUID;
+    }
+
+    @NotNull
+    public String getCurrencyID() {
+        return currencyID;
+    }
+
+    public double getOldAmount() {
+        return oldAmount;
+    }
+
+    public double getNewAmount() {
+        return newAmount;
+    }
+
+    @Override
+    public HandlerList getHandlers() {
+        return handlerList;
+    }
+}