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 67e250bd9..415f60cf1 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
@@ -343,14 +343,12 @@ void wiz_client_op_test(int argc, char *argv[]) {
   if (ret < 0) {
     KPrintf("[W5500] Client Op Failed.\n");
   }
-  while (1) {
     // waiting for a responding.
-    ret = wiz_client_op(client_sock, recv_buf, g_wiznet_buf_size, ip, port,
-                        RECV_DATA);
-    if (ret > 0) {
-      KPrintf("received msg: %s\n", recv_buf);
-      break;
-    }
+  ret = wiz_client_op(client_sock, recv_buf, g_wiznet_buf_size, ip, port,
+                      RECV_DATA);
+  if (ret > 0) {
+    KPrintf("received msg: %s\n", recv_buf);
+    break;
   }
 }