diff --git a/Ubiquitous/XiZi_AIoT/services/net/net_server/include/arch/lwipopts.h b/Ubiquitous/XiZi_AIoT/services/net/net_server/include/arch/lwipopts.h
index b4e8e6d07..9d7cdd406 100644
--- a/Ubiquitous/XiZi_AIoT/services/net/net_server/include/arch/lwipopts.h
+++ b/Ubiquitous/XiZi_AIoT/services/net/net_server/include/arch/lwipopts.h
@@ -202,6 +202,5 @@ ing and verifying the IP, UDP, TCP and ICMP checksums by hardware:
    ---------- Lwip Debug options ----------
    ----------------------------------------
 */
-#define LWIP_DEBUG                      1
 
 #endif /* LWIP_LWIPOPTS_H */
diff --git a/Ubiquitous/XiZi_AIoT/services/net/net_server/include/lwip/arch.h b/Ubiquitous/XiZi_AIoT/services/net/net_server/include/lwip/arch.h
index 8baa89dd8..1235f80f9 100644
--- a/Ubiquitous/XiZi_AIoT/services/net/net_server/include/lwip/arch.h
+++ b/Ubiquitous/XiZi_AIoT/services/net/net_server/include/lwip/arch.h
@@ -78,7 +78,7 @@
  * systems, this should be defined to something less resource-consuming.
  */
 #ifndef LWIP_PLATFORM_DIAG
-#define LWIP_PLATFORM_DIAG(x) do {KPrintf x;} while(0)
+#define LWIP_PLATFORM_DIAG(x) do {printf(x);} while(0)
 // #include <stdio.h>
 #include <stdlib.h>
 #endif
@@ -89,7 +89,7 @@
  * systems, this should be defined to something less resource-consuming.
  */
 #ifndef LWIP_PLATFORM_ASSERT
-#define LWIP_PLATFORM_ASSERT(x) do {KPrintf("Assertion \"%s\" failed at line %d in %s\n", \
+#define LWIP_PLATFORM_ASSERT(x) do {printf("Assertion \"%s\" failed at line %d in %s\n", \
                                      x, __LINE__, __FILE__); fflush(NULL); abort();} while(0)
 #include <stdio.h>
 #include <stdlib.h>