diff --git a/pattern-command/src/main/java/org/panda/command/Drawable.java b/pattern-command/src/main/java/org/panda/command/Drawable.java
index 803a32a..5ca2a96 100644
--- a/pattern-command/src/main/java/org/panda/command/Drawable.java
+++ b/pattern-command/src/main/java/org/panda/command/Drawable.java
@@ -5,6 +5,10 @@ package org.panda.command;
  * @author qi
  */
 public interface Drawable {
-
+    /**
+     *  绘制
+     * @param x
+     * @param y
+     */
     void draw(int x,int y);
 }
diff --git a/pattern-command/src/main/java/org/panda/command/Main.java b/pattern-command/src/main/java/org/panda/command/Main.java
index fdfb04b..3c74e40 100644
--- a/pattern-command/src/main/java/org/panda/command/Main.java
+++ b/pattern-command/src/main/java/org/panda/command/Main.java
@@ -4,6 +4,10 @@ import javax.swing.*;
 import java.awt.*;
 import java.awt.event.*;
 
+/**
+ * 主函数
+ * @author qi
+ */
 public class Main extends JFrame implements ActionListener, MouseMotionListener, WindowListener {
     //绘制的历史记录
     private MacroCommand history = new MacroCommand();