diff --git a/code/application/source/cardv/SrcCode/System/SysMain_Exe.c b/code/application/source/cardv/SrcCode/System/SysMain_Exe.c
index 15cdfc886..78e10f4aa 100755
--- a/code/application/source/cardv/SrcCode/System/SysMain_Exe.c
+++ b/code/application/source/cardv/SrcCode/System/SysMain_Exe.c
@@ -244,7 +244,7 @@ INT32 System_OnBoot(VControl *pCtrl, UINT32 paramNum, UINT32 *paramArray)
 
     #if HUNTING_CAMERA_MCU == ENABLE
     sf_cardv_para_check_start();
-    sf_cardv_wifi_start();
+    //sf_cardv_wifi_start();
     #endif
     
 #if (UCTRL_FUNC)
diff --git a/code/application/source/sf_app/code/source/app/sf_device.c b/code/application/source/sf_app/code/source/app/sf_device.c
index 8a2f476b0..1f7a5afc7 100755
--- a/code/application/source/sf_app/code/source/app/sf_device.c
+++ b/code/application/source/sf_app/code/source/app/sf_device.c
@@ -645,12 +645,50 @@ BOOL sf_system_check_bt_ko(void)
     }
 }
 
+BOOL sf_system_check_firmware_class_ko(void)
+{
+    char command[30] = "lsmod | grep firmware_class";
+    FILE *fp = popen(command, "r");
+    char result[256];
+    fgets(result, sizeof(result), fp);
+    pclose(fp);
+    if (result[0] == '\0') {
+        MLOGI("rtk_btusb module is not loaded.\n");
+        return FALSE;
+    } else {
+        MLOGI("rtk_btusb module is loaded.\n");
+        return TRUE;
+    }
+}
+
 BOOL sf_load_bt_ko(void)
 {
     BOOL ret2 = TRUE;
     int ret = 0;
+    UINT8 i = 0;
     char cmd[70] = {'\0'};
     MLOGI("start.\n");
+    if (sf_system_check_bt_ko() == TRUE) 
+    {
+        return ret2;
+    }
+
+    for (i = 0; i < 50; i++)
+    {
+        if (sf_system_check_firmware_class_ko() == TRUE) 
+        {
+            break;
+        }
+        else
+        {
+            if(49 == i)
+            {
+                MLOGE("blue setup fall!!\n");
+                return FALSE;
+            }
+            usleep(500 * 1000);
+        }
+    }
     snprintf(cmd, sizeof(cmd), "insmod %s/kernel/drivers/bluetooth/rtk_btusb.ko", driver_path_prefix);
     ret = system(cmd);
     //ret = system("modprobe rtk_btusb");
diff --git a/code/application/source/sf_app/code/source/app/sf_system.c b/code/application/source/sf_app/code/source/app/sf_system.c
index b9bd02196..f118a83a0 100755
--- a/code/application/source/sf_app/code/source/app/sf_system.c
+++ b/code/application/source/sf_app/code/source/app/sf_system.c
@@ -1334,6 +1334,22 @@ void sf_do_4g_upgrade_thread(void)
     }
 }
 
+/*************************************************
+   Function:    sf_wifi_start_to_cardv
+   Description: wifi on
+   Input:  N/A
+   Output: N/A
+   Return: N/A
+   Others: N/A
+*************************************************/
+void sf_wifi_start_to_cardv(void)
+{
+    SF_MESSAGE_BUF_S stMessageBuf = {0};
+    SLOGI(" CMD_WIFI SF_WIFI_CMD_START\n");
+    stMessageBuf.cmdId = CMD_WIFI;
+    stMessageBuf.arg1 = SF_WIFI_CMD_START;
+    sf_com_message_send_to_cardv(&stMessageBuf);
+}
 
 void* sf_app_load_ko_thread(void *arg)
 {
@@ -1344,7 +1360,8 @@ void* sf_app_load_ko_thread(void *arg)
 
     if(PWR_ON_SETUP == sf_poweron_type_get())
     {
-        sf_load_bt_ko();
+        //sf_load_bt_ko();
+        sf_wifi_start_to_cardv();
     }
     /*if((SF_MCU_STARTUP_NORMAL != sf_poweron_type_get()) && (0 == sf_get_fw_update()))
     {
diff --git a/code/application/source/sf_app/code/source/sf_blue/src/sf_blue_hal.c b/code/application/source/sf_app/code/source/sf_blue/src/sf_blue_hal.c
index c61b8b139..213785baa 100644
--- a/code/application/source/sf_app/code/source/sf_blue/src/sf_blue_hal.c
+++ b/code/application/source/sf_app/code/source/sf_blue/src/sf_blue_hal.c
@@ -130,6 +130,8 @@ static void *sf_bluetooth_piscan_task(void *arg)
 {
     UINT8 i = 0;
     sf_bluetooth_power_enable();
+    sf_load_bt_ko();
+    usleep(100 * 1000);
     //system("export LD_LIBRARY_PATH=$LD_LIBRARY_PATH:/misc:/customer/rocus/lib");
     //system("adduser messagebus");
 
@@ -159,7 +161,7 @@ static void *sf_bluetooth_piscan_task(void *arg)
         }
         else
         {
-            if(39 == 1)
+            if(1 == i)
             {
                 sf_load_bt_ko();
             }
diff --git a/code/application/source/sf_app/code/source/wifi/sf_wifi_svr.c b/code/application/source/sf_app/code/source/wifi/sf_wifi_svr.c
index d514b6745..90815ec55 100755
--- a/code/application/source/sf_app/code/source/wifi/sf_wifi_svr.c
+++ b/code/application/source/sf_app/code/source/wifi/sf_wifi_svr.c
@@ -2764,7 +2764,7 @@ void sf_wifi_hw_init(void)
         }
         else
         {
-            //ret = system("modprobe 8723du");
+            ret = system("modprobe 8723du");
         }
 	    //sleep(2);
 	    ret = system("ifconfig lo 127.0.0.1");
diff --git a/code/lib/source/sifar/code/source/common/sf_common.c b/code/lib/source/sifar/code/source/common/sf_common.c
index 9d38ea064..1ac0b1e18 100755
--- a/code/lib/source/sifar/code/source/common/sf_common.c
+++ b/code/lib/source/sifar/code/source/common/sf_common.c
@@ -1850,7 +1850,7 @@ static SINT32 sf_cardv_proccess_cmd_wifi(SF_MESSAGE_BUF_S *pMessageBuf)
 	switch(pMessageBuf->arg1)
 	{
 		case SF_WIFI_CMD_START:
-            if((0 == sf_get_mcu_update_flag()) && (0 == sf_get_fw_update()) && (sf_get_mode_flag()))
+            //if((0 == sf_get_mcu_update_flag()) && (0 == sf_get_fw_update()) && (sf_get_mode_flag()))
                 sf_cardv_wifi_start();
 			break;
         
@@ -2778,10 +2778,6 @@ void sf_save_camera_info(void)
 void* sf_cardv_wifi_thread(void *arg)
 {
 	/*wifi init*/
-    sf_cardv_set_wifi_en(1);
-    usleep(200*1000);
-    system("modprobe 8723du");
-    usleep(200*1000);
     UINet_AppIpc_Init();
     sf_net_wifi_init(NET_AP_MODE, NET_AUTH_WPA2);
 	WifiTskCfg.IsRun = 0;
@@ -2792,8 +2788,9 @@ UINT32 sf_cardv_wifi_start(void)
 {
     SINT32 ret = 1;
     UIMenuStoreInfo *puiPara = sf_ui_para_get();
+	SLOGI("thread run\n");
 
-    if((0 == sf_get_mcu_update_flag()) && (0 == sf_get_fw_update()) && (sf_get_mode_flag()) && (puiPara->WifiSwitch))
+    if((0 == sf_is_usb_flag()) && (0 == sf_get_mcu_update_flag()) && (0 == sf_get_fw_update()) && (sf_get_mode_flag()) && (puiPara->WifiSwitch))
     {
         if(WifiTskCfg.IsRun)
         {