agilesw
diff --git a/‎10_observer/README.md
+3 b/‎10_observer/README.md
+3
diff --git a/‎10_observer/oberser.go renamed to ‎10_observer/obserser.go b/‎10_observer/oberser.go renamed to ‎10_observer/obserser.go
diff --git a/‎10_observer/oberser_test.go renamed to ‎10_observer/obserser_test.go b/‎10_observer/oberser_test.go renamed to ‎10_observer/obserser_test.go
@@ -1,2 +1,5 @@
 # 观察者模式
 
+观察者模式用于触发联动。
+
+一个对象的改变会触发其它观察者的相关动作，而此对象无需关心连动对象的具体实现。