diff --git a/src/main/java/top/fjy8018/designpattern/pattern/behavior/command/Command.java b/src/main/java/top/fjy8018/designpattern/pattern/behavior/command/Command.java
index 47a93ed..9ae3d8d 100644
--- a/src/main/java/top/fjy8018/designpattern/pattern/behavior/command/Command.java
+++ b/src/main/java/top/fjy8018/designpattern/pattern/behavior/command/Command.java
@@ -2,6 +2,9 @@ package top.fjy8018.designpattern.pattern.behavior.command;
 
 /**
  * 命令抽象
+ * <p>
+ * Java相关源码 {@link Runnable} 可理解为命令抽象
+ * 其实现类为具体的命令
  *
  * @author F嘉阳
  * @date 2020/7/21 15:58