diff --git a/src/httpclient/http_client.c b/src/httpclient/http_client.c
index fb72274ba..08022c3cd 100644
--- a/src/httpclient/http_client.c
+++ b/src/httpclient/http_client.c
@@ -241,7 +241,7 @@ int httpclient_get_info(httpclient_t *client, char *send_buf, int *send_idx, cha
     return SUCCESS_RETURN;
 }
 
-void httpclient_set_custom_header(httpclient_t *client, char *header)
+void httpclient_set_custom_header(httpclient_t *client, const char *header)
 {
     client->header = header;
 }
@@ -353,7 +353,7 @@ int httpclient_send_header(httpclient_t *client, const char *url, int method, ht
     }
 
     if (client_data->post_buf != NULL) {
-        snprintf(buf, HTTPCLIENT_SEND_BUF_SIZE, "Content-Length: %u\r\n", client_data->post_buf_len);
+        snprintf(buf, HTTPCLIENT_SEND_BUF_SIZE, "Content-Length: %u\r\n", (unsigned int)client_data->post_buf_len);
         httpclient_get_info(client, send_buf, &len, buf, os_strlen(buf));
 
         if (client_data->post_content_type != NULL) {
@@ -457,7 +457,7 @@ int httpclient_retrieve_content(httpclient_t *client, char *data, int len, uint3
     //int count = 0;
     //int templen = 0;
     //int crlf_pos;
-    iotx_time_t timer;
+    //iotx_time_t timer;
     //char * b_data = NULL;
 
     //iotx_time_init(&timer);
@@ -772,7 +772,7 @@ int httpclient_response_parse(httpclient_t *client, char *data, int len, uint32_
         if (n == 2) {
             log_debug("Read header : %s: %s\r\n", key, value);
             if (!os_strcmp(key, "Content-Length")) {
-                sscanf(value, "%d", &(client_data->response_content_len));
+                sscanf(value, "%d", (int *)&(client_data->response_content_len));
                 client_data->retrieve_len = client_data->response_content_len;
             } else if (!os_strcmp(key, "Transfer-Encoding")) {
                 if (!os_strcmp(value, "Chunked") || !os_strcmp(value, "chunked")) {
@@ -980,7 +980,7 @@ static void httprequest_thread( beken_thread_arg_t arg )
     const char *header = request->header;
     int port = request->port;
     const char *ca_crt = request->ca_crt;
-    uint32_t timeout = request->timeout;
+    //uint32_t timeout = request->timeout;
     httpclient_data_t *client_data = &request->client_data;
     int method = request->method;
     int timeout_ms = request->timeout;
diff --git a/src/httpclient/http_client.h b/src/httpclient/http_client.h
index 5e3952125..1157d27e5 100644
--- a/src/httpclient/http_client.h
+++ b/src/httpclient/http_client.h
@@ -64,7 +64,7 @@ typedef struct {
     int remote_port; /**< HTTP or HTTPS port. */
     utils_network_t net;
     int response_code; /**< Response code. */
-    char *header; /**< Custom header. */
+    const char *header; /**< Custom header. */
     char *auth_user; /**< Username for basic authentication. */
     char *auth_password; /**< Password for basic authentication. */
 } httpclient_t;
@@ -143,7 +143,7 @@ typedef struct httprequest_t_tag{
  * @endcode
  */
 int async_request(httprequest_t *request);
-void httpclient_set_custom_header(httpclient_t *client, char *header);
+void httpclient_set_custom_header(httpclient_t *client, const char *header);
 
 #ifdef __cplusplus
 }
diff --git a/src/httpclient/utils_timer.c b/src/httpclient/utils_timer.c
index fdd579d9a..3af4dbb34 100644
--- a/src/httpclient/utils_timer.c
+++ b/src/httpclient/utils_timer.c
@@ -94,7 +94,7 @@ uint32_t utils_time_get_ms(void)
 
 uint64_t utils_time_left(uint64_t t_end, uint64_t t_now)
 {
-    uint64_t t_left;
+    //uint64_t t_left;
 
     return  (1!=(hal_machw_time_past(t_end*1000)));
 }
diff --git a/src/httpserver/http_tcp_server.c b/src/httpserver/http_tcp_server.c
index 10310fb28..9a300e60d 100644
--- a/src/httpserver/http_tcp_server.c
+++ b/src/httpserver/http_tcp_server.c
@@ -5,6 +5,7 @@
 #include "lwip/inet.h"
 #include "../logging/logging.h"
 #include "new_http.h"
+#include "str_pub.h"
 
 static void tcp_server_thread( beken_thread_arg_t arg );
 static void tcp_client_thread( beken_thread_arg_t arg );
diff --git a/src/httpserver/new_http.c b/src/httpserver/new_http.c
index 908c35427..f38b2805d 100644
--- a/src/httpserver/new_http.c
+++ b/src/httpserver/new_http.c
@@ -1,11 +1,13 @@
 
 
 #include "../new_common.h"
+#include "ctype.h" 
 #include "str_pub.h"
 #include "new_http.h"
 #include "../new_pins.h"
 #include "../new_cfg.h"
 #include "../ota/ota.h"
+#include "tuya_hal_storge.h"
 
 /*
 GET / HTTP/1.1
@@ -116,8 +118,9 @@ const char *http_checkArg(const char *p, const char *n) {
 	}
 	return p;
 }
-void http_copyCarg(const char *at, char *to, int maxSize) {
-	char a, b;
+void http_copyCarg(const char *atin, char *to, int maxSize) {
+	int a, b;
+	const unsigned char *at = (unsigned char *)atin;
 
 	while(*at != 0 && *at != '&' && *at != ' ' && maxSize > 1) {
 #if 0
@@ -257,7 +260,7 @@ int HTTP_ProcessPacket(const char *recvbuf, char *outbuf, int outBufSize) {
 	char tmpA[128];
 	char tmpB[64];
 	char tmpC[64];
-	int bChanged = 0;
+	//int bChanged = 0;
 	const char *urlStr;
 
 	*outbuf = '\0';
diff --git a/src/logging/logging.c b/src/logging/logging.c
index 6f35ebcf0..78db380ae 100644
--- a/src/logging/logging.c
+++ b/src/logging/logging.c
@@ -2,6 +2,7 @@
 #include "../new_common.h"
 #include "../logging/logging.h"
 #include "../httpserver/new_http.h"
+#include "str_pub.h"
 
 static int http_getlog(const char *payload, char *outbuf, int outBufSize);
 
diff --git a/src/new_cfg.c b/src/new_cfg.c
index 4dbd59f57..aac73370e 100644
--- a/src/new_cfg.c
+++ b/src/new_cfg.c
@@ -1,7 +1,4 @@
 
-
-
-
 #include "new_common.h"
 #include "httpserver/new_http.h"
 #include "new_pins.h"
@@ -34,7 +31,7 @@ const char *CFG_GetShortDeviceName(){
 }
 void CFG_CreateDeviceNameUnique()
 {
-	u8 mac[32];
+	char mac[32];
 #if WINDOWS
 
 #else
@@ -100,7 +97,7 @@ void CFG_SaveWiFi() {
 	ITEM_NEW_WIFI_CONFIG container;
 	strcpy_safe(container.ssid, g_wifi_ssid, sizeof(container.ssid));
 	strcpy_safe(container.pass, g_wifi_pass, sizeof(container.pass));
-	save_info_item(NEW_WIFI_CONFIG,&container, 0, 0);
+	save_info_item(NEW_WIFI_CONFIG,(UINT8 *)&container, 0, 0);
 #endif
 }
 void CFG_LoadWiFi() {
@@ -108,7 +105,7 @@ void CFG_LoadWiFi() {
 
 #else
 	ITEM_NEW_WIFI_CONFIG container;
-	if(get_info_item(NEW_WIFI_CONFIG,&container, 0, 0) != 0) {
+	if(get_info_item(NEW_WIFI_CONFIG,(UINT8 *)&container, 0, 0) != 0) {
 		strcpy_safe(g_wifi_ssid,container.ssid,sizeof(g_wifi_ssid));
 		strcpy_safe(g_wifi_pass,container.pass,sizeof(g_wifi_pass));
 	} 
@@ -125,7 +122,7 @@ void CFG_SaveMQTT() {
 	strcpy_safe(container.hostName, g_mqtt_host, sizeof(container.hostName));
 	strcpy_safe(container.brokerName, g_mqtt_brokerName, sizeof(container.brokerName));
 	container.port = g_mqtt_port;
-	save_info_item(NEW_MQTT_CONFIG,&container, 0, 0);
+	save_info_item(NEW_MQTT_CONFIG,(UINT8 *)&container, 0, 0);
 	
 #endif
 }
@@ -134,7 +131,7 @@ void CFG_LoadMQTT() {
 
 #else
 	ITEM_NEW_MQTT_CONFIG container;
-	if(get_info_item(NEW_MQTT_CONFIG,&container, 0, 0) != 0) {
+	if(get_info_item(NEW_MQTT_CONFIG,(UINT8 *)&container, 0, 0) != 0) {
 		strcpy_safe(g_mqtt_userName,container.userName,sizeof(g_mqtt_userName));
 		strcpy_safe(g_mqtt_pass,container.pass,sizeof(g_mqtt_pass));
 		strcpy_safe(g_mqtt_host,container.hostName,sizeof(g_mqtt_host));
diff --git a/src/new_common.h b/src/new_common.h
index edb8ae676..416dc553b 100644
--- a/src/new_common.h
+++ b/src/new_common.h
@@ -48,5 +48,6 @@ typedef unsigned char byte;
 
 
 int strcat_safe(char *tg, const char *src, int tgMaxLen);
-
+int strcpy_safe(char *tg, const char *src, int tgMaxLen);
+void urldecode2_safe(char *dst, const char *srcin, int maxDstLen);
 
diff --git a/src/new_pins.c b/src/new_pins.c
index 1a66392b4..261d20d36 100644
--- a/src/new_pins.c
+++ b/src/new_pins.c
@@ -12,6 +12,8 @@
 #else
 #include "../../beken378/func/include/net_param_pub.h"
 #include "../../beken378/func/user_driver/BkDriverPwm.h"
+#undef PR_DEBUG
+#undef PR_NOTICE
 #define PR_DEBUG addLog
 #define PR_NOTICE addLog
 
@@ -79,14 +81,14 @@ void (*g_doubleClickCallback)(int pinIndex) = 0;
 void PIN_SaveToFlash() {
 #if WINDOWS
 #else
-	save_info_item(NEW_PINS_CONFIG,&g_pins, 0, 0);
+	save_info_item(NEW_PINS_CONFIG,(UINT8 *)&g_pins, 0, 0);
 #endif
 }
 void PIN_LoadFromFlash() {
 	int i;
 #if WINDOWS
 #else
-	get_info_item(NEW_PINS_CONFIG,&g_pins, 0, 0);
+	get_info_item(NEW_PINS_CONFIG,(UINT8 *)&g_pins, 0, 0);
 #endif
 	for(i = 0; i < GPIO_MAX; i++) {
 		PIN_SetPinRoleForPinIndex(i,g_pins.roles[i]);
@@ -158,7 +160,7 @@ void PIN_SetPinRoleForPinIndex(int index, int role) {
 	
 #else
 		{
-			BUTTON_S *bt = &g_buttons[index];
+			//BUTTON_S *bt = &g_buttons[index];
 			// TODO: disable button
 		}
 #endif
@@ -177,7 +179,7 @@ void PIN_SetPinRoleForPinIndex(int index, int role) {
 	case IOR_PWM:
 		{
 			int pwmIndex;
-			int channelIndex;
+			//int channelIndex;
 
 			pwmIndex = PIN_GetPWMIndexForPinIndex(index);
 #if WINDOWS
diff --git a/src/new_pins.h b/src/new_pins.h
index 969ce8d42..6d1509797 100644
--- a/src/new_pins.h
+++ b/src/new_pins.h
@@ -21,6 +21,7 @@ enum IORole {
 #define GPIO_MAX 27
 #define CHANNEL_MAX 32
 
+void PIN_Init(void);
 void PIN_ClearPins();
 int PIN_GetPinRoleForPinIndex(int index);
 int PIN_GetPinChannelForPinIndex(int index);
diff --git a/src/ota/ota.c b/src/ota/ota.c
index 44c88336d..361f24ea5 100644
--- a/src/ota/ota.c
+++ b/src/ota/ota.c
@@ -14,7 +14,13 @@ unsigned int addr = 0xff000;
 static void store_sector(unsigned int addr, unsigned char *data);
 extern void flash_protection_op(UINT8 mode,PROTECT_TYPE type);
 
+// from wlan_ui.c
+void bk_reboot(void);
 
+// from flash.c
+extern UINT32 flash_read(char *user_buf, UINT32 count, UINT32 address);
+extern UINT32 flash_write(char *user_buf, UINT32 count, UINT32 address);
+extern UINT32 flash_ctrl(UINT32 cmd, void *parm);
 
 
 int init_ota(unsigned int startaddr){
@@ -84,7 +90,7 @@ static void store_sector(unsigned int addr, unsigned char *data){
     flash_ctrl(CMD_FLASH_WRITE_ENABLE, (void *)0);
     flash_ctrl(CMD_FLASH_ERASE_SECTOR, &addr);
     flash_ctrl(CMD_FLASH_WRITE_ENABLE, (void *)0);
-    flash_write(data , SECTOR_SIZE, addr);
+    flash_write((char *)data , SECTOR_SIZE, addr);
 }
 
 
@@ -93,7 +99,7 @@ int total_bytes = 0;
 
 int myhttpclientcallback(httprequest_t* request){
 
-  httpclient_t *client = &request->client;
+  //httpclient_t *client = &request->client;
   httpclient_data_t *client_data = &request->client_data;
 
   // NOTE: Called from the client thread, beware
@@ -137,7 +143,7 @@ int myhttpclientcallback(httprequest_t* request){
   // NOTE: these MUST persist
 // note: url must have a '/' after host, else it can;t parse it.. 
 static char url[256] = "http://raspberrypi:1880/firmware";
-static char *header = "";
+static const char *header = "";
 static char *content_type = "text/csv";
 static char *post_data = "";
 #define BUF_SIZE 1024
@@ -168,7 +174,7 @@ void otarequest(const char *urlin){
   }
   client_data->response_buf = http_buf;  //Sets a buffer to store the result.
   client_data->response_buf_len = BUF_SIZE;  //Sets the buffer size.
-  httpclient_set_custom_header(&client, header);  //Sets the custom header if needed.
+  httpclient_set_custom_header(client, header);  //Sets the custom header if needed.
   client_data->post_buf = post_data;  //Sets the user data to be posted.
   client_data->post_buf_len = strlen(post_data);  //Sets the post data length.
   client_data->post_content_type = content_type;  //Sets the content type.
diff --git a/src/ota/ota.h b/src/ota/ota.h
index 476be5e41..8baf0ebc9 100644
--- a/src/ota/ota.h
+++ b/src/ota/ota.h
@@ -8,3 +8,5 @@ void add_otadata(unsigned char *data, int len);
 
 // finalise OTA flash (write last sector if incomplete)
 int close_ota();
+
+void otarequest(const char *urlin);
\ No newline at end of file
diff --git a/src/printnetinfo/printnetinfo.c b/src/printnetinfo/printnetinfo.c
index 37eae5e5c..4e39e85d8 100644
--- a/src/printnetinfo/printnetinfo.c
+++ b/src/printnetinfo/printnetinfo.c
@@ -3,6 +3,7 @@
 #include "../new_common.h"
 #include "str_pub.h"
 #include "wlan_ui_pub.h"
+#include "net.h"
 #include "../logging/logging.h"
 
 #define MAC2STR(a) (a)[0], (a)[1], (a)[2], (a)[3], (a)[4], (a)[5]
diff --git a/src/tuya_device.c b/src/tuya_device.c
index d28457a76..584212e27 100644
--- a/src/tuya_device.c
+++ b/src/tuya_device.c
@@ -66,6 +66,10 @@ int g_my_reconnect_mqtt_after_time = -1;
 
 #define tcp_server_log(M, ...) os_printf("TCP", M, ##__VA_ARGS__)
 
+
+// from wlan_ui.c, no header
+void bk_wlan_status_register_cb(FUNC_1PARAM_PTR cb);
+
 int unw_recv(const int fd, void *buf, u32 nbytes)
 {
     fd_set readfds, errfds;
@@ -316,11 +320,9 @@ static void mqtt_connection_cb(mqtt_client_t *client, void *arg, mqtt_connection
 
 void example_do_connect(mqtt_client_t *client)
 {
-  err_t err;
   const char *mqtt_userName, *mqtt_host, *mqtt_pass, *mqtt_clientID;
   int mqtt_port;
 
-
   mqtt_userName = CFG_GetMQTTUserName();
   mqtt_pass = CFG_GetMQTTPass();
   mqtt_clientID = CFG_GetMQTTBrokerName();
@@ -344,12 +346,6 @@ void example_do_connect(mqtt_client_t *client)
           &mqtt_ip, mqtt_port,
           mqtt_connection_cb, LWIP_CONST_CAST(void*, &mqtt_client_info),
           &mqtt_client_info);
-
-
-  /* For now just print the result code if something goes wrong */
-  if(err != ERR_OK) {
-    PR_NOTICE("mqtt_connect return %d\n", err);
-  }
 }
 
 
@@ -439,10 +435,10 @@ static int setup_wifi_open_access_point(void)
 
     bk_wlan_ap_set_default_channel(ap_info.chann);
 
-    len = os_strlen(ap_info.ssid.array);
+    len = os_strlen((char *)ap_info.ssid.array);
 
-    os_strcpy((char *)wNetConfig.wifi_ssid, ap_info.ssid.array);
-    os_strcpy((char *)wNetConfig.wifi_key, ap_info.key);
+    os_strcpy((char *)wNetConfig.wifi_ssid, (char *)ap_info.ssid.array);
+    os_strcpy((char *)wNetConfig.wifi_key, (char *)ap_info.key);
     
     wNetConfig.wifi_mode = SOFT_AP;
     wNetConfig.dhcp_mode = DHCP_SERVER;
@@ -521,7 +517,7 @@ void user_main(void)
 	int bForceOpenAP = 0;
 	const char *wifi_ssid, *wifi_pass;
 
-    OPERATE_RET op_ret = OPRT_OK;
+  //OPERATE_RET op_ret = OPRT_OK;
 
 	CFG_CreateDeviceNameUnique();
 
@@ -575,6 +571,4 @@ void user_main(void)
 
     err = rtos_start_timer(&led_timer);
     ASSERT(kNoErr == err);
-
-    return op_ret;
 }