diff --git a/TC1/http_server/app_httpd.c b/TC1/http_server/app_httpd.c
index 1c76a0f..9e0fea7 100644
--- a/TC1/http_server/app_httpd.c
+++ b/TC1/http_server/app_httpd.c
@@ -38,6 +38,7 @@
 #include "httpd_priv.h"
 #include "app_httpd.h"
 #include "user_gpio.h"
+#include "user_wifi.h"
 
 #include "main.h"
 
@@ -70,12 +71,12 @@ static int http_get_socket_status(httpd_request_t *req)
 {
     OSStatus err = kNoErr;
 
-    char* status = get_socket_status();
+    const unsigned char* status = get_socket_status();
 
-    err = httpd_send_all_header(req, HTTP_RES_200, strlen(status), HTTP_CONTENT_HTML_STR);
+    err = httpd_send_all_header(req, HTTP_RES_200, strlen(socket_status), HTTP_CONTENT_HTML_STR);
     require_noerr_action(err, exit, app_httpd_log("ERROR: Unable to send http socket_status headers."));
 
-    err = httpd_send_body(req->sock, socket_status, strlen(status));
+    err = httpd_send_body(req->sock, status, strlen(socket_status));
     require_noerr_action(err, exit, app_httpd_log("ERROR: Unable to send http socket_status body."));
 
 exit:
@@ -96,10 +97,10 @@ static int http_set_socket_status(httpd_request_t *req)
 
     char* status = "OK";
 
-    err = httpd_send_all_header(req, HTTP_RES_200, strlen(status), HTTP_CONTENT_HTML_STR);
+    err = httpd_send_all_header(req, HTTP_RES_200, strlen(socket_status), HTTP_CONTENT_HTML_STR);
     require_noerr_action(err, save_out, app_httpd_log("ERROR: Unable to send http socket_status headers."));
 
-    err = httpd_send_body(req->sock, status, strlen(status));
+    err = httpd_send_body(req->sock, (const unsigned char*)status, strlen(socket_status));
     require_noerr_action(err, save_out, app_httpd_log("ERROR: Unable to send http socket_status body."));
 
 save_out:
@@ -111,12 +112,12 @@ static int http_get_wifi_config(httpd_request_t *req)
 {
     OSStatus err = kNoErr;
 
-    char* status = get_socket_status();
+    const unsigned char* status = get_socket_status();
 
-    err = httpd_send_all_header(req, HTTP_RES_200, strlen(status), HTTP_CONTENT_HTML_STR);
+    err = httpd_send_all_header(req, HTTP_RES_200, strlen(socket_status), HTTP_CONTENT_HTML_STR);
     require_noerr_action(err, exit, app_httpd_log("ERROR: Unable to send http socket_status headers."));
 
-    err = httpd_send_body(req->sock, socket_status, strlen(status));
+    err = httpd_send_body(req->sock, status, strlen(socket_status));
     require_noerr_action(err, exit, app_httpd_log("ERROR: Unable to send http socket_status body."));
 
 exit:
@@ -147,10 +148,10 @@ static int http_set_wifi_config(httpd_request_t *req)
 
     char* status = "OK";
 
-    err = httpd_send_all_header(req, HTTP_RES_200, strlen(status), HTTP_CONTENT_HTML_STR);
+    err = httpd_send_all_header(req, HTTP_RES_200, strlen(socket_status), HTTP_CONTENT_HTML_STR);
     require_noerr_action(err, exit, app_httpd_log("ERROR: Unable to send http socket_status headers."));
 
-    err = httpd_send_body(req->sock, status, strlen(status));
+    err = httpd_send_body(req->sock, (const unsigned char*)status, strlen(socket_status));
     require_noerr_action(err, exit, app_httpd_log("ERROR: Unable to send http socket_status body."));
 
 exit:
@@ -158,8 +159,8 @@ exit:
 
 save_out:
     if (buf) free(buf);
-    if (ssid_size) free(ssid_size);
-    if (key_size) free(key_size);
+    if (wifi_ssid) free(wifi_ssid);
+    if (wifi_key) free(wifi_key);
     return err;
 }
 
diff --git a/TC1/ota_server/ota_server.c b/TC1/ota_server/ota_server.c
index 6fef706..bcb0d0e 100644
--- a/TC1/ota_server/ota_server.c
+++ b/TC1/ota_server/ota_server.c
@@ -50,7 +50,7 @@ static uint32_t offset = 0;
 
 static OSStatus onReceivedData(struct _HTTPHeader_t * httpHeader,
                                 uint32_t pos,
-                                char *data,
+                                uint8_t *data,
                                 size_t len,
                                 void * userContext);
 
@@ -228,7 +228,7 @@ static void ota_server_progress_set(OTA_STATE_E state)
 
     progress =(float) ota_server_context->download_state.download_begin_pos / ota_server_context->download_state.download_len;
     progress = progress*100;
-    if( ota_server_context->ota_server_cb != NULL)
+    if(ota_server_context->ota_server_cb != NULL)
         ota_server_context->ota_server_cb(state, progress);
 }
 
@@ -358,7 +358,7 @@ DELETE:
 }
 
 /*one request may receive multi reply*/
-static OSStatus onReceivedData(struct _HTTPHeader_t * inHeader, uint32_t inPos, char * inData,
+static OSStatus onReceivedData(struct _HTTPHeader_t * inHeader, uint32_t inPos, uint8_t * 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, (char *) inData, inLen);
+    MicoFlashWrite(MICO_PARTITION_OTA_TEMP, &offset, inData, inLen);
 
     ota_server_progress_set(OTA_LOADING);
 
diff --git a/TC1/user_function.c b/TC1/user_function.c
index 52cac80..a912954 100644
--- a/TC1/user_function.c
+++ b/TC1/user_function.c
@@ -70,7 +70,7 @@ void user_function_cmd_received(int udp_flag, char* pusrdata)
     //开始正式处理所有命令
     if ((p_name && cJSON_IsString(p_name) && strcmp(p_name->valuestring, sys_config->micoSystemConfig.name) == 0)    //name
          || (p_mac && cJSON_IsString(p_mac) && strcmp(p_mac->valuestring, strMac) == 0)   //mac
-        )
+       )
     {
         cJSON *json_send = cJSON_CreateObject();
         cJSON_AddStringToObject(json_send, "mac", strMac);
@@ -103,11 +103,11 @@ void user_function_cmd_received(int udp_flag, char* pusrdata)
             char *temp_buf = malloc(16);
             if (temp_buf != NULL)
             {
-                sprintf(temp_buf, "%d.%d", power / 10, power % 10);
+                sprintf(temp_buf, "%d.%d", (int)(power/10), (int)(power%10));
                 cJSON_AddStringToObject(json_send, "power", temp_buf);
                 free(temp_buf);
             }
-            os_log("power:%d",power);
+            os_log("power:%d", (int)power);
         }
         //解析主机setting-----------------------------------------------------------------
         cJSON *p_setting = cJSON_GetObjectItem(pJsonRoot, "setting");
@@ -311,7 +311,7 @@ bool json_plug_task_analysis(unsigned char x, unsigned char y, cJSON * pJsonRoot
              && cJSON_IsNumber(p_plug_task_repeat)
              && cJSON_IsNumber(p_plug_task_action)
              && cJSON_IsNumber(p_plug_task_on)
-                               )
+                              )
         {
             return_flag = true;
             user_config->plug[x].task[y].hour = p_plug_task_hour->valueint;
diff --git a/TC1/user_gpio.c b/TC1/user_gpio.c
index 67f49c2..90153ab 100644
--- a/TC1/user_gpio.c
+++ b/TC1/user_gpio.c
@@ -20,7 +20,7 @@ void user_led_set(char x)
 
 bool relay_out(void)
 {
-    unsigned char i;
+    int i;
     for (i = 0; i < PLUG_NUM; i++)
     {
         if (user_config->plug[i].on != 0)
@@ -31,16 +31,16 @@ bool relay_out(void)
     return false;
 }
 
-char* get_socket_status()
+const unsigned char* get_socket_status()
 {
-    sprintf(socket_status, "%d,%d,%d,%d,%d,%d\0",
+    sprintf(socket_status, "%d,%d,%d,%d,%d,%d",
         user_config->plug[0].on,
         user_config->plug[1].on,
         user_config->plug[2].on,
         user_config->plug[3].on,
         user_config->plug[4].on,
         user_config->plug[5].on);
-    return socket_status;
+    return (const unsigned char*)socket_status;
 }
 
 void set_socket_status(char* socket_status)
diff --git a/TC1/user_gpio.h b/TC1/user_gpio.h
index 4d304e4..906d306 100644
--- a/TC1/user_gpio.h
+++ b/TC1/user_gpio.h
@@ -11,6 +11,7 @@ void key_init(void);
 void user_relay_set(unsigned char x,unsigned char y);
 void user_relay_set_all(char y);
 bool relay_out(void);
-char* get_socket_status();
+const unsigned char* get_socket_status();
+void set_socket_status(char* socket_status);
 
 #endif
diff --git a/TC1/user_mqtt_client.c b/TC1/user_mqtt_client.c
index 5ad49a4..306a28a 100644
--- a/TC1/user_mqtt_client.c
+++ b/TC1/user_mqtt_client.c
@@ -93,7 +93,7 @@ Client c;  // mqtt client object
 Network n;  // socket network for mqtt client
 
 static mico_worker_thread_t mqtt_client_worker_thread; /* Worker thread to manage send/recv events */
-static mico_timed_event_t mqtt_client_send_event;
+//static mico_timed_event_t mqtt_client_send_event;
 
 char topic_state[MAX_MQTT_TOPIC_SIZE];
 char topic_set[MAX_MQTT_TOPIC_SIZE];
@@ -264,7 +264,7 @@ void mqtt_client_thread(mico_thread_arg_t arg)
 {
     OSStatus err = kUnknownErr;
 
-    int i, rc = -1;
+    int rc = -1;
     fd_set readfds;
     struct timeval t = { 0, MQTT_YIELD_TMIE * 1000 };
 
@@ -378,7 +378,7 @@ void mqtt_client_thread(mico_thread_arg_t arg)
 
                 // send message to server
                 err = mqtt_msg_publish(&c, p_send_msg->topic, p_send_msg->qos, p_send_msg->retained,
-                                        p_send_msg->data,
+                                        (const unsigned char*)p_send_msg->data,
                                         p_send_msg->datalen);
 
                 require_noerr_string(err, MQTT_reconnect, "ERROR: MQTT publish data err");
@@ -513,8 +513,8 @@ OSStatus user_mqtt_send_plug_state(char plug_id)
     topic_buf = malloc(64); //
     if (send_buf != NULL && topic_buf != NULL)
     {
-        sprintf(topic_buf, "homeassistant/switch/%s/plug_%d/state", strMac, plug_id);
-        sprintf(send_buf, "{\"mac\":\"%s\",\"plug_%d\":{\"on\":%d}}", strMac, plug_id, user_config->plug[plug_id].on);
+        sprintf(topic_buf, "homeassistant/switch/%s/plug_%d/state", strMac, (int)plug_id);
+        sprintf(send_buf, "{\"mac\":\"%s\",\"plug_%d\":{\"on\":%d}}", strMac, plug_id, (int)user_config->plug[(int)plug_id].on);
         user_mqtt_send_topic(topic_buf, send_buf, 1);
     }
     if (send_buf) free(send_buf);
@@ -524,7 +524,6 @@ 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)
 {
-    char i;
     char *send_buf = NULL;
     char *topic_buf = NULL;
     send_buf = malloc(512); //
@@ -538,7 +537,7 @@ void user_mqtt_hass_auto(char plug_id)
                  "\"cmd_t\":\"device/ztc1/set\","
                  "\"pl_on\":\"{\\\"mac\\\":\\\"%s\\\",\\\"plug_%d\\\":{\\\"on\\\":1}}\","
                  "\"pl_off\":\"{\\\"mac\\\":\\\"%s\\\",\\\"plug_%d\\\":{\\\"on\\\":0}}\""
-                 "}\0",
+                 "}",
                  plug_id, strMac + 8, strMac, plug_id, strMac, plug_id, strMac, plug_id);
         user_mqtt_send_topic(topic_buf, send_buf, 1);
     }
@@ -561,8 +560,8 @@ void user_mqtt_hass_auto_name(char plug_id)
                  "\"cmd_t\":\"device/ztc1/set\","
                  "\"pl_on\":\"{\\\"mac\\\":\\\"%s\\\",\\\"plug_%d\\\":{\\\"on\\\":1}}\","
                  "\"pl_off\":\"{\\\"mac\\\":\\\"%s\\\",\\\"plug_%d\\\":{\\\"on\\\":0}}\""
-                 "}\0",
-                 user_config->plug[plug_id].name, strMac, plug_id, strMac, plug_id, strMac, plug_id);
+                 "}",
+                 user_config->plug[(int)plug_id].name, strMac, plug_id, strMac, plug_id, strMac, plug_id);
         user_mqtt_send_topic(topic_buf, send_buf, 0);
     }
     if (send_buf)
@@ -573,7 +572,6 @@ 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)
 {
-    char i;
     char *send_buf = NULL;
     char *topic_buf = NULL;
     send_buf = malloc(512); //
@@ -628,7 +626,6 @@ void user_mqtt_hass_auto_power_name(void)
 
 void user_mqtt_hass_power(void)
 {
-    char i;
     char *send_buf = NULL;
     char *topic_buf = NULL;
     send_buf = malloc(512); //
@@ -636,7 +633,7 @@ void user_mqtt_hass_power(void)
     if (send_buf != NULL && topic_buf != NULL)
     {
         sprintf(topic_buf, "homeassistant/sensor/%s/power/state", strMac);
-        sprintf(send_buf, "{\"power\":\"%d.%d\"}", power / 10, power % 10);
+        sprintf(send_buf, "{\"power\":\"%d.%d\"}", (int)(power/10), (int)(power%10));
         user_mqtt_send_topic(topic_buf, send_buf, 0);
     }
     if (send_buf) free(send_buf);
diff --git a/TC1/user_rtc.c b/TC1/user_rtc.c
index 571a77e..adc93f6 100644
--- a/TC1/user_rtc.c
+++ b/TC1/user_rtc.c
@@ -131,7 +131,7 @@ void rtc_thread(mico_thread_arg_t arg)
 
 
     mico_utc_time_t utc_time;
-    mico_utc_time_t utc_time_last;
+    mico_utc_time_t utc_time_last = 0;
     while (1)
     {   //上电后连接了wifi才开始走时否则等待连接
         micoWlanGetLinkStatus(&LinkStatus);
@@ -184,11 +184,11 @@ void rtc_thread(mico_thread_arg_t arg)
                 {
 
                     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
+                    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
                     && ((repeat == 0x00) || repeat & (1 << (rtc_time.weekday - 1)))
-                   )
+                  )
                     {
                         if (user_config->plug[i].on != user_config->plug[i].task[j].action)
                         {
diff --git a/TC1/user_sntp.c b/TC1/user_sntp.c
index c5d59dc..cbc00ee 100644
--- a/TC1/user_sntp.c
+++ b/TC1/user_sntp.c
@@ -4,6 +4,7 @@
 #include "main.h"
 //#include "user_gpio.h"
 #include "user_sntp.h"
+#include "sntp.h"
 
 /* Callback function when MiCO UTC time in sync to NTP server */
 static void sntp_time_call_back(void)
diff --git a/TC1/user_udp.c b/TC1/user_udp.c
index 38b59f3..72bcdd1 100644
--- a/TC1/user_udp.c
+++ b/TC1/user_udp.c
@@ -104,7 +104,7 @@ void udp_thread(void *arg)
                 require_string(p_send_msg, exit, "Wrong data point");
 
                 // send message to server
-                err = udp_msg_send(udp_fd, p_send_msg->data, p_send_msg->datalen);
+                err = udp_msg_send(udp_fd, (const unsigned char*)p_send_msg->data, p_send_msg->datalen);
 //            require_noerr_string(err, MQTT_reconnect, "ERROR: udp publish data err");
 
                 os_log("udp send data success! msg=[%ld].\r\n", p_send_msg->datalen);
diff --git a/TC1/user_wifi.h b/TC1/user_wifi.h
index a9bdf7d..f9ea1f9 100644
--- a/TC1/user_wifi.h
+++ b/TC1/user_wifi.h
@@ -23,7 +23,7 @@ extern char wifi_status;
 extern void wifi_init(void);
 extern void ap_init(void);
 extern void wifi_start_easylink(void);
-
+extern void wifi_connect(char* wifi_ssid, char* wifi_key);
 
 
 #endif