diff --git a/APP_Framework/Applications/app_test/test_mqttclient/test_mqttclient.c b/APP_Framework/Applications/app_test/test_mqttclient/test_mqttclient.c
index 2ceb1b892..4ca7a2858 100644
--- a/APP_Framework/Applications/app_test/test_mqttclient/test_mqttclient.c
+++ b/APP_Framework/Applications/app_test/test_mqttclient/test_mqttclient.c
@@ -569,7 +569,7 @@ int32_t MQTTMsgPublish(int32_t sock, char *topic, int8_t qos, uint8_t* msg)
 		uint8_t buf[MSG_MAX_LEN];
 		int32_t buflen = sizeof(buf),len;
 		MQTTString topicString = MQTTString_initializer;
-	  uint16_t packid = 0,packetidbk;
+	  uint16_t packid = 0,packetidbk = 0;
 	
 		//填充主题
 	  topicString.cstring = (char *)topic;
diff --git a/APP_Framework/lib/cJSON/Makefile b/APP_Framework/lib/cJSON/Makefile
index 8d2e20e45..17d79ea6b 100755
--- a/APP_Framework/lib/cJSON/Makefile
+++ b/APP_Framework/lib/cJSON/Makefile
@@ -1,4 +1,6 @@
 SRC_FILES :=  cJSON.c
-SRC_FILES +=  cJSON_Process.c
+ifeq ($(CONFIG_USER_TEST_MQTTCLIENT),y)
+	SRC_FILES +=  cJSON_Process.c
+endif
 
 include $(KERNEL_ROOT)/compiler.mk
diff --git a/Ubiquitous/XiZi_IIoT/resources/ethernet/LwIP/arch/sys_arch.c b/Ubiquitous/XiZi_IIoT/resources/ethernet/LwIP/arch/sys_arch.c
index 8204064b4..99b1c8579 100644
--- a/Ubiquitous/XiZi_IIoT/resources/ethernet/LwIP/arch/sys_arch.c
+++ b/Ubiquitous/XiZi_IIoT/resources/ethernet/LwIP/arch/sys_arch.c
@@ -387,7 +387,7 @@ void lwip_config_tcp(uint8_t enet_port, char* ip, char* mask, char* gw)
 #endif
     }
 
-    // netif_set_default(&gnetif);
+    netif_set_default(&gnetif);
     netif_set_up(&gnetif);
 
     lw_print("\r\n************************************************\r\n");