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 d966ca634..34682a2bd 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
@@ -295,6 +295,7 @@ uint32_t wiz_client_op(uint8_t sn, uint8_t *buf, uint32_t buf_size,
       } else if (opt == RECV_DATA) {
         uint32_t size = 0;
         if ((size = getSn_RX_RSR(sn)) > 0) {
+          KPrintf("[Client] Receiving.\n");
           if (size > buf_size) size = buf_size;
           ret = wiz_sock_recv(sn, buf, size);
           if (ret <= 0) {