diff --git a/resiliency/06_circuit_breaker/circuit_counter.go b/resiliency/06_circuit_breaker/circuit_counter.go
index f1fa83c..02e0191 100644
--- a/resiliency/06_circuit_breaker/circuit_counter.go
+++ b/resiliency/06_circuit_breaker/circuit_counter.go
@@ -25,6 +25,7 @@ const (
 	StateClosed State = iota //默认的闭合状态，可以正常执行业务
 	StateHalfOpen
 	StateOpen
+	StateUnknown
 )
 
 //OperationState of current 某一次操作的结果状态
diff --git a/resiliency/06_circuit_breaker/circuit_func_closure_basic.go b/resiliency/06_circuit_breaker/circuit_func_closure_basic.go
index cb8dcb5..18a8972 100644
--- a/resiliency/06_circuit_breaker/circuit_func_closure_basic.go
+++ b/resiliency/06_circuit_breaker/circuit_func_closure_basic.go
@@ -14,7 +14,7 @@ import (
 )
 
 ////////////////////////////////
-//way 2 简单的函数式断路器
+//way 1 简单的函数式断路器
 // 一个func实例作为一个Breaker 允许多个worker(即goroutine)同时访问
 // 当前简单场景下，只考虑单个worker情况下的连续请求
 // 当前的设计思路，非常简单：