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 c411e6167..d966ca634 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
@@ -297,7 +297,10 @@ uint32_t wiz_client_op(uint8_t sn, uint8_t *buf, uint32_t buf_size,
         if ((size = getSn_RX_RSR(sn)) > 0) {
           if (size > buf_size) size = buf_size;
           ret = wiz_sock_recv(sn, buf, size);
-          if (ret <= 0) return ret;
+          if (ret <= 0) {
+            wiz_sock_close(socket_tcp);
+            return ret;
+          }
         }
       }
       break;