diff --git a/dip.go b/dip.go
index b129902..03a3323 100644
--- a/dip.go
+++ b/dip.go
@@ -79,10 +79,16 @@ func (group *DIPGroup) Choose(addr string) {
 
 				imokURL := "http://" + dhost.Host + ":8800/pppoe/imok"
 				ses := requests.NewSession()
-				ses.SetConfig(requests.CRequestTimeout, 5)
+				ses.SetConfig(requests.CRequestTimeout, 4)
 
 				if _, err := ses.Get(imokURL).Execute(); err != nil {
 					log.Println(err)
+					if i == 2 {
+						// 下个需要切换的DHost错误
+						group.Current.ActiveTime = now + 15
+						delete(group.Ready, ip)
+						return // 不执行下面的 切换操作 for ip, dhost := range group.Ready
+					}
 				} else { // 如果ping 通下个切换的主机就切换
 					for ii := 0; ii < 3; ii++ {
 						restartURL := "http://" + group.Current.Host + ":8800/pppoe/restart"
@@ -96,13 +102,6 @@ func (group *DIPGroup) Choose(addr string) {
 				}
 			}
 
-			if i == 3 {
-				// 下个需要切换的DHost错误
-				group.Current.ActiveTime = now + 15
-				delete(group.Ready, ip)
-				return // 不执行下面的 切换操作 for ip, dhost := range group.Ready
-			}
-
 		}
 
 		group.Current = dhost