diff --git a/TC1/main.c b/TC1/main.c
index 59ab81c..25b911a 100644
--- a/TC1/main.c
+++ b/TC1/main.c
@@ -14,9 +14,9 @@
 
 
 char rtc_init = 0;    //sntp校时成功标志位
-uint32_t total_time=0;
+uint32_t total_time = 0;
 char strMac[16] = { 0 };
-uint32_t power=0;
+uint32_t power = 0;
 
 system_config_t * sys_config;
 user_config_t * user_config;
@@ -76,7 +76,7 @@ int application_start(void)
     int i;
     os_log("Start %s",VERSION);
 
-    uint8_t main_num=0;
+    char main_num=0;
     uint32_t power_last = 0xffffffff;
     OSStatus err = kNoErr;
 
@@ -174,11 +174,11 @@ int application_start(void)
         {
             power_last = power;
             main_num =0;
-            uint8_t *power_buf = NULL;
-            power_buf = malloc(128);
+            char* power_buf = malloc(128);
             if (power_buf != NULL)
             {
-                sprintf(power_buf, "{\"mac\":\"%s\",\"power\":\"%d.%d\",\"total_time\":%d}", strMac, power / 10, power % 10, total_time);
+                sprintf(power_buf, "{\"mac\":\"%s\",\"power\":\"%u.%u\",\"total_time\":%u}",
+                    strMac, (unsigned int)(power/10), (unsigned int)(power%10), (unsigned int)total_time);
                 user_send(0, power_buf);
                 free(power_buf);
             }
diff --git a/TC1/main.h b/TC1/main.h
index c755ee0..181b566 100644
--- a/TC1/main.h
+++ b/TC1/main.h
@@ -37,7 +37,7 @@ typedef struct
 {
     char hour;      //小时
     char minute;    //分钟
-    uint8_t repeat; //bit7:一次   bit6-0:周日-周一
+    char repeat; //bit7:一次   bit6-0:周日-周一
     char action;    //动作
     char on;    //开关
 } user_plug_task_config_t;
diff --git a/TC1/ota_server/ota_server.c b/TC1/ota_server/ota_server.c
index 0d9d6fe..6fef706 100644
--- a/TC1/ota_server/ota_server.c
+++ b/TC1/ota_server/ota_server.c
@@ -50,11 +50,11 @@ static uint32_t offset = 0;
 
 static OSStatus onReceivedData(struct _HTTPHeader_t * httpHeader,
                                 uint32_t pos,
-                                uint8_t *data,
+                                char *data,
                                 size_t len,
                                 void * userContext);
 
-static void hex2str(uint8_t *hex, int hex_len, char *str)
+static void hex2str(char *hex, int hex_len, char *str)
 {
   int i = 0;
   for(i=0; i<hex_len; i++){
@@ -73,7 +73,7 @@ static void upper2lower(char *str, int len)
   }
 }
 
-static int ota_server_send(uint8_t *data, int datalen)
+static int ota_server_send(char *data, int datalen)
 {
     int res = 0;
     if(ota_server_context->download_url.HTTP_SECURITY == HTTP_SECURITY_HTTP){
@@ -173,7 +173,7 @@ static int ota_server_send_header(void)
 
     j += sprintf(header + j, "\r\n");
 
-    ret = ota_server_send((uint8_t *) header, strlen(header));
+    ret = ota_server_send((char *) header, strlen(header));
 
 //  ota_server_log("send: %d\r\n%s", strlen(header), header);
     if (header != NULL) free(header);
@@ -322,7 +322,7 @@ static void ota_server_thread(mico_thread_arg_t arg)
             CRC16_Final(&crc_context, &crc16);
             if(ota_server_context->ota_check.is_md5 == true){
                 Md5Final(&md5, (unsigned char *) md5_value);
-                hex2str((uint8_t *)md5_value, 16, md5_value_string);
+                hex2str((char *)md5_value, 16, md5_value_string);
             }
             if (memcmp(md5_value_string, ota_server_context->ota_check.md5, OTA_MD5_LENTH) == 0){
                 ota_server_progress_set(OTA_SUCCE);
@@ -358,7 +358,7 @@ DELETE:
 }
 
 /*one request may receive multi reply*/
-static OSStatus onReceivedData(struct _HTTPHeader_t * inHeader, uint32_t inPos, uint8_t * inData,
+static OSStatus onReceivedData(struct _HTTPHeader_t * inHeader, uint32_t inPos, char * inData,
                                 size_t inLen, void * inUserContext)
 {
     OSStatus err = kNoErr;
@@ -373,7 +373,7 @@ static OSStatus onReceivedData(struct _HTTPHeader_t * inHeader, uint32_t inPos,
         Md5Update(&md5, inData, inLen);
     }
 
-    MicoFlashWrite(MICO_PARTITION_OTA_TEMP, &offset, (uint8_t *) inData, inLen);
+    MicoFlashWrite(MICO_PARTITION_OTA_TEMP, &offset, (char *) inData, inLen);
 
     ota_server_progress_set(OTA_LOADING);
 
diff --git a/TC1/user_function.c b/TC1/user_function.c
index 8381dd9..52cac80 100644
--- a/TC1/user_function.c
+++ b/TC1/user_function.c
@@ -27,7 +27,7 @@ void user_send(int udp_flag, char *s)
         user_mqtt_send(s);
 }
 
-void user_function_cmd_received(int udp_flag, uint8_t *pusrdata)
+void user_function_cmd_received(int udp_flag, char* pusrdata)
 {
 
     unsigned char i;
@@ -100,7 +100,7 @@ void user_function_cmd_received(int udp_flag, uint8_t *pusrdata)
         cJSON *p_power = cJSON_GetObjectItem(pJsonRoot, "power");
         if (p_power)
         {
-            uint8_t *temp_buf = malloc(16);
+            char *temp_buf = malloc(16);
             if (temp_buf != NULL)
             {
                 sprintf(temp_buf, "%d.%d", power / 10, power % 10);
diff --git a/TC1/user_function.h b/TC1/user_function.h
index c5e6eeb..aa340cf 100644
--- a/TC1/user_function.h
+++ b/TC1/user_function.h
@@ -7,7 +7,7 @@
 #include "micokit_ext.h"
 
 void user_send(int udp_flag, char *s);
-void user_function_cmd_received(int udp_flag,uint8_t *pusrdata);
+void user_function_cmd_received(int udp_flag, char* pusrdata);
 unsigned char strtohex(char a, char b);
 
 
diff --git a/TC1/user_gpio.c b/TC1/user_gpio.c
index 1ea63fb..67f49c2 100644
--- a/TC1/user_gpio.c
+++ b/TC1/user_gpio.c
@@ -106,9 +106,8 @@ static void key_long_press(void)
 
 static void key_long_10s_press(void)
 {
-    OSStatus err;
-    char i = 0;
     os_log("WARNGIN: user params restored!");
+//  char i = 0;
 //  for (i = 0; i < 3; i++)
 //  {
 //      user_led_set(1);
@@ -123,7 +122,6 @@ static void key_long_10s_press(void)
 static void key_short_press(void)
 {
     char i;
-    OSStatus err;
 
     if (relay_out())
     {
@@ -138,9 +136,6 @@ static void key_short_press(void)
     {
         user_mqtt_send_plug_state(i);
     }
-
-
-
 }
 mico_timer_t user_key_timer;
 uint16_t key_time = 0;
@@ -148,11 +143,9 @@ uint16_t key_time = 0;
 
 static void key_timeout_handler(void* arg)
 {
-
-    static uint8_t key_trigger, key_continue;
-    static uint8_t key_last;
+    static char key_trigger, key_continue;
     //按键扫描程序
-    uint8_t tmp = ~(0xfe | MicoGpioInputGet(Button));
+    char tmp = ~(0xfe | MicoGpioInputGet(Button));
     key_trigger = tmp & (tmp ^ key_continue);
     key_continue = tmp;
 //  os_log("button scan:%02x %02x",key_trigger,key_continue);
@@ -161,9 +154,7 @@ static void key_timeout_handler(void* arg)
     {
         //any button pressed
         key_time++;
-        if (key_time < BUTTON_LONG_PRESS_TIME)
-            key_last = key_continue;
-        else
+        if (key_time <= BUTTON_LONG_PRESS_TIME)
         {
             os_log("button long pressed:%d",key_time);
 
@@ -198,7 +189,6 @@ static void key_timeout_handler(void* arg)
         {
             MicoSystemReboot();
         }
-        key_last = 0;
         mico_rtos_stop_timer(&user_key_timer);
     }
 }
diff --git a/TC1/user_mqtt_client.c b/TC1/user_mqtt_client.c
index 0c00f04..5ad49a4 100644
--- a/TC1/user_mqtt_client.c
+++ b/TC1/user_mqtt_client.c
@@ -72,7 +72,7 @@ typedef struct
     char qos;
     char retained;
 
-    uint8_t data[MAX_MQTT_DATA_SIZE];
+    char data[MAX_MQTT_DATA_SIZE];
     uint32_t datalen;
 } mqtt_recv_msg_t, *p_mqtt_recv_msg_t, mqtt_send_msg_t, *p_mqtt_send_msg_t;
 
@@ -99,10 +99,10 @@ char topic_state[MAX_MQTT_TOPIC_SIZE];
 char topic_set[MAX_MQTT_TOPIC_SIZE];
 
 mico_timer_t timer_handle;
-static uint8_t timer_status = 0;
+static char timer_status = 0;
 void user_mqtt_timer_func(void *arg)
 {
-    uint8_t *buf1 = NULL;
+    char* buf1 = malloc(1024); //idx涓�1浣嶆椂闀垮害涓�24
 
     LinkStatusTypeDef LinkStatus;
     micoWlanGetLinkStatus(&LinkStatus);
@@ -159,21 +159,14 @@ void user_mqtt_timer_func(void *arg)
                 user_mqtt_hass_auto_power_name();
                 break;
             case 15:
-
-                buf1 = malloc(1024); //idx涓�1浣嶆椂闀垮害涓�24
-                if (buf1 != NULL)
-                {
-                    sprintf(
-                        buf1,
-                        "{\"mac\":\"%s\",\"version\":null,\"plug_0\":{\"on\":null,\"setting\":{\"name\":null}},\"plug_1\":{\"on\":null,\"setting\":{\"name\":null}},\"plug_2\":{\"on\":null,\"setting\":{\"name\":null}},\"plug_3\":{\"on\":null,\"setting\":{\"name\":null}},\"plug_4\":{\"on\":null,\"setting\":{\"name\":null}},\"plug_5\":{\"on\":null,\"setting\":{\"name\":null}}}",
-                        strMac);
-                    user_function_cmd_received(0, buf1);
-                    free(buf1);
-                }
+                if (buf1 == NULL) break;
+                sprintf(buf1, "{\"mac\":\"%s\",\"version\":null,\"plug_0\":{\"on\":null,\"setting\":{\"name\":null}},\"plug_1\":{\"on\":null,\"setting\":{\"name\":null}},\"plug_2\":{\"on\":null,\"setting\":{\"name\":null}},\"plug_3\":{\"on\":null,\"setting\":{\"name\":null}},\"plug_4\":{\"on\":null,\"setting\":{\"name\":null}},\"plug_5\":{\"on\":null,\"setting\":{\"name\":null}}}", strMac);
+                user_function_cmd_received(0, buf1);
+                free(buf1);
                 break;
             default:
                 mico_stop_timer(&timer_handle);
-//        mico_deinit_timer(&timer_handle);
+//              mico_deinit_timer(&timer_handle);
                 break;
         }
     }
@@ -514,8 +507,8 @@ OSStatus user_mqtt_send(char *arg)
 OSStatus user_mqtt_send_plug_state(char plug_id)
 {
 
-    uint8_t *send_buf = NULL;
-    uint8_t *topic_buf = NULL;
+    char *send_buf = NULL;
+    char *topic_buf = NULL;
     send_buf = malloc(64); //
     topic_buf = malloc(64); //
     if (send_buf != NULL && topic_buf != NULL)
@@ -531,9 +524,9 @@ OSStatus user_mqtt_send_plug_state(char plug_id)
 //hass mqtt鑷姩鍙戠幇鏁版嵁寮�鍏冲彂閫�
 void user_mqtt_hass_auto(char plug_id)
 {
-    uint8_t i;
-    uint8_t *send_buf = NULL;
-    uint8_t *topic_buf = NULL;
+    char i;
+    char *send_buf = NULL;
+    char *topic_buf = NULL;
     send_buf = malloc(512); //
     topic_buf = malloc(128); //
     if (send_buf != NULL && topic_buf != NULL)
@@ -555,10 +548,10 @@ void user_mqtt_hass_auto(char plug_id)
 }
 void user_mqtt_hass_auto_name(char plug_id)
 {
-    uint8_t *send_buf = NULL;
-    uint8_t *topic_buf = NULL;
-    send_buf = (uint8_t *) malloc(300);
-    topic_buf = (uint8_t *) malloc(64);
+    char *send_buf = NULL;
+    char *topic_buf = NULL;
+    send_buf = (char *) malloc(300);
+    topic_buf = (char *) malloc(64);
     if (send_buf != NULL && topic_buf != NULL)
     {
         sprintf(topic_buf, "homeassistant/switch/%s/plug_%d/config", strMac, plug_id);
@@ -580,9 +573,9 @@ void user_mqtt_hass_auto_name(char plug_id)
 //hass mqtt鑷姩鍙戠幇鏁版嵁鍔熺巼鍙戦��
 void user_mqtt_hass_auto_power(void)
 {
-    uint8_t i;
-    uint8_t *send_buf = NULL;
-    uint8_t *topic_buf = NULL;
+    char i;
+    char *send_buf = NULL;
+    char *topic_buf = NULL;
     send_buf = malloc(512); //
     topic_buf = malloc(128); //
     if (send_buf != NULL && topic_buf != NULL)
@@ -604,10 +597,10 @@ void user_mqtt_hass_auto_power(void)
 }
 void user_mqtt_hass_auto_power_name(void)
 {
-    uint8_t *send_buf = NULL;
-    uint8_t *topic_buf = NULL;
-    send_buf = (uint8_t *) malloc(300); //
-    topic_buf = (uint8_t *) malloc(64); //
+    char *send_buf = NULL;
+    char *topic_buf = NULL;
+    send_buf = (char *) malloc(300); //
+    topic_buf = (char *) malloc(64); //
     if (send_buf != NULL && topic_buf != NULL)
     {
         sprintf(topic_buf, "homeassistant/sensor/%s/power/config", strMac);
@@ -635,9 +628,9 @@ void user_mqtt_hass_auto_power_name(void)
 
 void user_mqtt_hass_power(void)
 {
-    uint8_t i;
-    uint8_t *send_buf = NULL;
-    uint8_t *topic_buf = NULL;
+    char i;
+    char *send_buf = NULL;
+    char *topic_buf = NULL;
     send_buf = malloc(512); //
     topic_buf = malloc(128); //
     if (send_buf != NULL && topic_buf != NULL)
diff --git a/TC1/user_power.c b/TC1/user_power.c
index b99b749..0a32ff7 100644
--- a/TC1/user_power.c
+++ b/TC1/user_power.c
@@ -17,7 +17,7 @@ static uint32_t timer_irq_count = 0;
 static void power_timer_handler(void* arg)
 {
 
-//  uint8_t pin_input = MicoGpioInputGet(POWER);
+//  char pin_input = MicoGpioInputGet(POWER);
     uint32_t timer = 0;
 
     if (timer_irq_count > 1)
diff --git a/TC1/user_rtc.c b/TC1/user_rtc.c
index c880ba1..571a77e 100644
--- a/TC1/user_rtc.c
+++ b/TC1/user_rtc.c
@@ -156,7 +156,7 @@ void rtc_thread(mico_thread_arg_t arg)
 
         if (utc_time_last != utc_time)
         {
-            utc_time_last == utc_time;
+            utc_time_last = utc_time;
             total_time++;
         }
 
@@ -183,7 +183,7 @@ void rtc_thread(mico_thread_arg_t arg)
                 if (user_config->plug[i].task[j].on != 0)
                 {
 
-                    uint8_t repeat = user_config->plug[i].task[j].repeat;
+                    char repeat = user_config->plug[i].task[j].repeat;
                     if (   //符合条件则改变继电器状态: 秒为0 时分符合设定值, 重复符合设定值
                     rtc_time.sec == 0 && rtc_time.min == user_config->plug[i].task[j].minute
                     && rtc_time.hr == user_config->plug[i].task[j].hour
diff --git a/TC1/user_udp.c b/TC1/user_udp.c
index 9da4018..38b59f3 100644
--- a/TC1/user_udp.c
+++ b/TC1/user_udp.c
@@ -13,7 +13,7 @@ mico_queue_t udp_msg_send_queue = NULL;
 typedef struct
 {
     uint32_t datalen;
-    uint8_t data[MAX_UDP_DATA_SIZE];
+    char data[MAX_UDP_DATA_SIZE];
 } udp_send_msg_t, *p_udp_send_msg_t;
 
 static OSStatus udp_msg_send(int socket, const unsigned char* msg, uint32_t msg_len);
@@ -49,7 +49,7 @@ void udp_thread(void *arg)
     p_udp_send_msg_t p_send_msg = NULL;
     int msg_send_event_fd = -1;
     char ip_address[16];
-    uint8_t *buf = NULL;
+    char *buf = NULL;
 
     /* create udp msg send queue */
     err = mico_rtos_init_queue(&udp_msg_send_queue, "uqp_msg_send_queue", sizeof(p_udp_send_msg_t),
@@ -125,7 +125,6 @@ void udp_thread(void *arg)
 static OSStatus udp_msg_send(int socket, const unsigned char* msg, uint32_t msg_len)
 {
     OSStatus err = kUnknownErr;
-    int ret = 0;
 
     require(msg_len && msg, exit);
 
@@ -139,7 +138,7 @@ static OSStatus udp_msg_send(int socket, const unsigned char* msg, uint32_t msg_
     /*the receiver should bind at port=20000*/
     sendto(socket, msg, msg_len, 0, (struct sockaddr *) &addr, sizeof(addr));
 
-    exit:
+exit:
     return err;
 }
 
diff --git a/TC1/user_wifi.c b/TC1/user_wifi.c
index 0533fa6..4629dbf 100644
--- a/TC1/user_wifi.c
+++ b/TC1/user_wifi.c
@@ -4,6 +4,7 @@
 #include "mico_socket.h"
 #include "user_gpio.h"
 #include "user_sntp.h"
+#include "user_function.h"
 
 #define os_log(format, ...)  custom_log("WIFI", format, ##__VA_ARGS__)
 
@@ -11,6 +12,7 @@ char wifi_status = WIFI_STATE_NOCONNECT;
 
 mico_timer_t wifi_led_timer;
 
+/*
 static void wifi_connect_sys_config(void)
 {
     if (strlen(sys_config->micoSystemConfig.ssid) > 0)
@@ -28,6 +30,7 @@ static void wifi_connect_sys_config(void)
     } else
         wifi_status = WIFI_STATE_FAIL;
 }
+*/
 void wifi_start_easylink()
 {
     wifi_status = WIFI_STATE_EASYLINK;