diff --git a/src/main/java/pw/yumc/YumCore/YumCore.java b/src/main/java/pw/yumc/YumCore/YumCore.java
index 19a028a..50148cb 100644
--- a/src/main/java/pw/yumc/YumCore/YumCore.java
+++ b/src/main/java/pw/yumc/YumCore/YumCore.java
@@ -1,11 +1,12 @@
 package pw.yumc.YumCore;
 
+import org.bukkit.plugin.java.JavaPlugin;
+
 /**
  * YumCore核心类库
- * 
+ *
  * @since 2016年7月23日 下午1:03:41
  * @author 喵♂呜
  */
-public class YumCore {
-
+public class YumCore extends JavaPlugin {
 }
diff --git a/src/main/java/pw/yumc/YumCore/bukkit/Log.java b/src/main/java/pw/yumc/YumCore/bukkit/Log.java
index abf69f7..4f257c6 100644
--- a/src/main/java/pw/yumc/YumCore/bukkit/Log.java
+++ b/src/main/java/pw/yumc/YumCore/bukkit/Log.java
@@ -1,5 +1,6 @@
 package pw.yumc.YumCore.bukkit;
 
+import java.io.File;
 import java.util.logging.Handler;
 import java.util.logging.Level;
 import java.util.logging.Logger;
@@ -14,6 +15,7 @@ import org.bukkit.command.CommandSender;
  * @author 喵♂呜
  */
 public class Log {
+    private static boolean debug = new File("plugins/YumCore/debug").exists();
     private static Logger logger = P.instance.getLogger();
     private static String prefix = String.format("§6[§b%s§6]§r ", P.instance.getName());
     private static CommandSender console = Bukkit.getConsoleSender();
@@ -47,6 +49,32 @@ public class Log {
         }
     }
 
+    /**
+     * 调试消息
+     *
+     * @param msg
+     *            消息
+     */
+    public static void debug(final String msg) {
+        if (debug) {
+            logger.info("[DEBUG] " + msg);
+        }
+    }
+
+    /**
+     * 调试消息
+     *
+     * @param msg
+     *            消息
+     * @param object
+     *            参数
+     */
+    public static void debug(final String msg, final Object... object) {
+        if (debug) {
+            logger.log(Level.SEVERE, "[DEBUG] " + msg, object);
+        }
+    }
+
     /**
      * Log an INFO message.
      * <p>