diff --git a/Ubiquitous/XiZi_IIoT/board/xidatong-riscv64/third_party_driver/ethernet/connect_w5500.c b/Ubiquitous/XiZi_IIoT/board/xidatong-riscv64/third_party_driver/ethernet/connect_w5500.c
index 7459ecc70..b9176586e 100644
--- a/Ubiquitous/XiZi_IIoT/board/xidatong-riscv64/third_party_driver/ethernet/connect_w5500.c
+++ b/Ubiquitous/XiZi_IIoT/board/xidatong-riscv64/third_party_driver/ethernet/connect_w5500.c
@@ -335,7 +335,7 @@ void wiz_client_op_test(int argc, char *argv[]) {
   memset(recv_buf, '\0', g_wiznet_buf_size);
   memcpy(send_buf, argv[3], strlen(argv[3]));
   KPrintf("[W5500 Client] BUFFER: %s\n", send_buf);
-  while (getSn_SR(client_sock) == SOCK_CLOSED) {
+  while (getSn_SR(client_sock) != SOCK_ESTABLISHED) {
     wiz_client_op(client_sock, send_buf, strlen(send_buf), ip, port, SEND_DATA);
   }
   int ret = wiz_client_op(client_sock, send_buf, strlen(send_buf), ip, port,