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 ce7572e15..6b17915c4 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
@@ -503,19 +503,12 @@ void config_w5500_network(int argc, char *argv[]) {
     if (memcmp(argv[cur_arg_idx], network_param_name[0], 2 * sizeof(char)) ==
         0) {
       char_arr_assign(wiz_netinfo.ip, tmp_arr, 4);
-      // for (int i = 0; i < 4; ++i) {
-      //   wiz_netinfo.ip[i] = (uint8_t)(tmp_arr[i]);
-      // }
     } else if (memcmp(argv[cur_arg_idx], network_param_name[1],
                       2 * sizeof(char)) == 0) {
-      for (int i = 0; i < 4; ++i) {
-        wiz_netinfo.sn[i] = (uint8_t)(tmp_arr[i]);
-      }
+      char_arr_assign(wiz_netinfo.sn, tmp_arr, 4);
     } else if (memcmp(argv[cur_arg_idx], network_param_name[2],
                       2 * sizeof(char)) == 0) {
-      for (int i = 0; i < 4; ++i) {
-        wiz_netinfo.gw[i] = (uint8_t)(tmp_arr[i]);
-      }
+      char_arr_assign(wiz_netinfo.gw, tmp_arr, 4);
     } else {
       KPrintf("[W5500] Invalid network param.");
     }