diff --git a/components/net/sal_socket/impl/af_inet_lwip.c b/components/net/sal_socket/impl/af_inet_lwip.c
index e53aa845cc78df13e8fcd215599e2b21d9a84778..56df735ab99021e36eb18db4406f36d973d7ff02 100644
--- a/components/net/sal_socket/impl/af_inet_lwip.c
+++ b/components/net/sal_socket/impl/af_inet_lwip.c
@@ -273,6 +273,8 @@ static int inet_poll(struct dfs_fd *file, struct rt_pollreq *req)
         if (sock->errevent)
         {
             mask |= POLLERR;
+            /* clean error event */
+            sock->errevent = 0;
         }
         rt_hw_interrupt_enable(level);
     }