diff --git a/src/protocol/network_server.cpp b/src/protocol/network_server.cpp
index 7a2f51c4..55c5be0f 100644
--- a/src/protocol/network_server.cpp
+++ b/src/protocol/network_server.cpp
@@ -834,7 +834,7 @@ static void on_health_check_done(pb::StoreRes* response, brpc::Controller* cntl,
     pb::Status new_status = pb::NORMAL;
     if (cntl->Failed()) {
         if (cntl->ErrorCode() == brpc::ERPCTIMEDOUT || 
-            cntl->ErrorCode() == ETIMEDOUT || cntl->ErrorCode() == EHOSTDOWN) {
+            cntl->ErrorCode() == ETIMEDOUT) {
             new_status = pb::DEAD;
             DB_WARNING("addr:%s is dead(hang), need rpc cancel, errcode:%d, error:%s", 
                     addr.c_str(), cntl->ErrorCode(), cntl->ErrorText().c_str());