diff --git a/src/main/java/top/fjy8018/designpattern/pattern/creational/simplefactory/AbstractVideo.java b/src/main/java/top/fjy8018/designpattern/pattern/creational/simplefactory/AbstractVideo.java
index ae328ae..46fbadc 100644
--- a/src/main/java/top/fjy8018/designpattern/pattern/creational/simplefactory/AbstractVideo.java
+++ b/src/main/java/top/fjy8018/designpattern/pattern/creational/simplefactory/AbstractVideo.java
@@ -1,7 +1,13 @@
 package top.fjy8018.designpattern.pattern.creational.simplefactory;
 
+import ch.qos.logback.classic.LoggerContext;
+
+import java.util.Calendar;
+
 /**
  * 简单工厂
+ * JDK样例 {@link Calendar#getInstance()} 其调用的 {@link Calendar#createCalendar} 就是简单工厂的体现
+ * 日志框架样例 {@link org.slf4j.LoggerFactory#getLogger(String)} -> {@link LoggerContext#getLogger(String)}
  *
  * @author F嘉阳
  * @date 2018-09-23 16:13