@@ -12,4 +12,28 @@
>> 引用的引用
![图片](img/1.jpg)
-![](img/2.jpg)
+![](img/2.jpg)
+
+# s
+```plantuml
+@startuml
+abstract abstract
+abstract class "abstract class"
+annotation annotation
+circle circle
+() circle_short_form
+class class
+class class_stereo <<stereotype>>
+diamond diamond
+<> diamond_short_form
+entity entity
+enum enum
+exception exception
+interface interface
+metaclass metaclass
+protocol protocol
+stereotype stereotype
+struct struct
+@enduml
+```