diff --git a/env/server/server.go b/env/server/server.go
index bca9a3a..3d09f48 100644
--- a/env/server/server.go
+++ b/env/server/server.go
@@ -73,21 +73,33 @@ func SetServers(configIp string, serverMap map[string]*config.ServerInfo) {
 }
 
 //SetDownNode 设置失效节点
-func SetDownNode(configIp string, host string) {
+func SetDownNode(configService string, serverHost string) {
 	serverLock.Lock()
 	defer serverLock.Unlock()
-	s := ipMap[configIp]
-	if host == "" || s == nil || len(s.serverMap) == 0 {
+	s := ipMap[configService]
+	if serverHost == "" {
 		return
 	}
 
-	if host == configIp {
-		s.nextTryConnTime = nextTryConnectPeriod
+	if s == nil || len(s.serverMap) == 0 {
+		// init server map
+		ipMap[configService] = &Info{
+			serverMap: map[string]*config.ServerInfo{
+				serverHost: {
+					HomepageURL: serverHost,
+				},
+			},
+		}
+		s = ipMap[configService]
+	}
+
+	if serverHost == configService {
+		s.nextTryConnTime = time.Now().Unix() + nextTryConnectPeriod
 	}
 
 	for k, server := range s.serverMap {
 		// if some node has down then select next node
-		if strings.Index(k, host) > -1 {
+		if strings.Index(k, serverHost) > -1 {
 			server.IsDown = true
 		}
 	}
diff --git a/protocol/http/request.go b/protocol/http/request.go
index 0e9cf1b..bdcefd0 100644
--- a/protocol/http/request.go
+++ b/protocol/http/request.go
@@ -207,11 +207,7 @@ func RequestRecovery(appConfig config.AppConfig,
 			return response, nil
 		}
 
-		if host == appConfig.GetHost() {
-			return response, err
-		}
-
-		server.SetDownNode(host, appConfig.GetHost())
+		server.SetDownNode(appConfig.GetHost(), host)
 	}
 }