diff --git a/code/application/source/cardv/SrcCode/System/SysUsb_Exe.c b/code/application/source/cardv/SrcCode/System/SysUsb_Exe.c
index d2a00575c..c67400a6c 100755
--- a/code/application/source/cardv/SrcCode/System/SysUsb_Exe.c
+++ b/code/application/source/cardv/SrcCode/System/SysUsb_Exe.c
@@ -32,6 +32,10 @@
 ///////////////////////////////////////////////////////////////////////////////
 
 static char driver_path_prefix[64] = "/etc/lib/modules/4.19.91";
+//GobiNet:rndis_host.ko,drv_gobi_net.ko
+//ECM:usbnet.ko,rndis_host.ko,cdc_ether.ko
+//ACM:
+//QMI:qmi_wwan.ko,cdc-wdm.ko,rndis_host.ko,
 static char* usb_host_drivers[] = {
                 "kernel/drivers/usb/common/usb-common.ko",
                 "kernel/drivers/usb/core/usbcore.ko",
@@ -39,13 +43,13 @@ static char* usb_host_drivers[] = {
                 "kernel/drivers/net/mii.ko",
                 "kernel/drivers/net/usb/usbnet.ko",
                 "extra/net/GobiNet/drv_gobi_net.ko",
-                "kernel/drivers/net/usb/cdc_ether.ko",
-                "kernel/drivers/net/usb/rndis_host.ko",
+                // "kernel/drivers/net/usb/cdc_ether.ko",
+                // "kernel/drivers/net/usb/rndis_host.ko",
                 "kernel/drivers/usb/serial/usbserial.ko",
                 "kernel/drivers/usb/serial/usb_wwan.ko",
                 "kernel/drivers/usb/serial/option.ko",
-                "kernel/drivers/usb/class/cdc-wdm.ko",
-                "kernel/drivers/net/usb/qmi_wwan.ko",
+                // "kernel/drivers/usb/class/cdc-wdm.ko",
+                // "kernel/drivers/net/usb/qmi_wwan.ko",
                 NULL
 };
 
@@ -126,6 +130,7 @@ static BOOL System_InsmodUsb(BOOL isHost)
 	char* driver_path = NULL;
 	UINT8 cnt = 0;
 	char cmd[256] = {'\0'};
+    vos_perf_list_mark(__func__, __LINE__, 0);
 
 	if(isHost){
 
@@ -136,6 +141,9 @@ static BOOL System_InsmodUsb(BOOL isHost)
             is_usb_host_driver_inserted = TRUE;
             return TRUE;
         }
+        // #if HUNTING_CAMERA_MCU == ENABLE
+        // sf_usb_mux_s(1);
+        // #endif
 		usb_drivers = usb_host_drivers;
 	}
 	else{
@@ -145,6 +153,9 @@ static BOOL System_InsmodUsb(BOOL isHost)
         memset(driver_path_prefix, '\0', sizeof(driver_path_prefix));
         snprintf(driver_path_prefix, sizeof(driver_path_prefix), "/lib/modules/4.19.91");
 		usb_drivers = usb_dev_drivers;
+        #if HUNTING_CAMERA_MCU == ENABLE
+        sf_usb_mux_s(0);
+        #endif
 	}
 
 	while(usb_drivers[cnt++])
@@ -161,25 +172,27 @@ static BOOL System_InsmodUsb(BOOL isHost)
             memset(cmd, '\0', sizeof(cmd));
 			snprintf(cmd, sizeof(cmd), "insmod %s/%s", driver_path_prefix, driver_path);
 			//DBG_DUMP("%s\n", cmd);
-            printf("[%s:%d] %s\n", __FUNCTION__, __LINE__, cmd);
+            // printf("[%s:%d] %s\n", __FUNCTION__, __LINE__, cmd);
             system(cmd);
 		}
 	}
-
+    // system("mdev -s");
 	if(isHost == FALSE){
-#if HUNTING_CAMERA_MCU == ENABLE
-        //sf_set_msdc_clk();
-        sf_usb_mux_s(0);
-        vos_util_delay_ms(200);
-#endif
+// #if HUNTING_CAMERA_MCU == ENABLE
+//         //sf_set_msdc_clk();
+//         sf_usb_mux_s(0);
+//         vos_util_delay_ms(200);
+// #endif
+    vos_perf_list_mark(__func__, __LINE__, 0);
 
 		is_usb_dev_driver_inserted = TRUE;
 		return System_WaitUsbDev();
 	}
 	else{
-#if HUNTING_CAMERA_MCU == ENABLE
-        sf_usb_mux_s(1);
-#endif
+// #if HUNTING_CAMERA_MCU == ENABLE
+//         sf_usb_mux_s(1);
+// #endif
+    vos_perf_list_mark(__func__, __LINE__, 0);
 
 		is_usb_host_driver_inserted = TRUE;
 		return TRUE;
@@ -290,7 +303,10 @@ void System_OnUsbInit(void)
 #endif
 	}
 
-	//force check USB connect type
+#if HUNTING_CAMERA_MCU == ENABLE
+    sf_usb_insmod_start();
+#else
+	// force check USB connect type
 	if (GxUSB_GetIsUSBPlug()) {
         
         #if (HW_S530 == ENABLE) && (HUNTING_CAMERA_MCU == ENABLE)
@@ -302,8 +318,10 @@ void System_OnUsbInit(void)
 		GxUSB_SetChargerType(FALSE);
 	}
 	else{
-		//System_InsmodUsb(TRUE); /* insmod usb host ko */
+		// System_InsmodUsb(TRUE); /* insmod usb host ko */
 	}
+#endif
+
 	TM_BOOT_END("usb", "init");
 }
 
@@ -528,5 +546,26 @@ BOOL USB_GetIsMsdcNvt(void)
 #endif
 	//#NT#2016/06/03#Niven Cho -end
 }
+#if HUNTING_CAMERA_MCU == ENABLE
+void* sf_usb_insmod_thread(void *arg)
+{
+	//force check USB connect type
+	if (GxUSB_GetIsUSBPlug()) {
+        
+        #if (HW_S530 == ENABLE) && (HUNTING_CAMERA_MCU == ENABLE)
+        sf_sys_status_led_set(SF_LED_SYS_STATE_USB_IN);
+        #endif
+        
+		System_InsmodUsb(FALSE); /* insmod usb dev ko */
+		GxUSB_UpdateConnectType();
+		GxUSB_SetChargerType(FALSE);
+	}
+	else{
+		System_InsmodUsb(TRUE); /* insmod usb host ko */
+	}
+	return NULL;
+}
+#endif
+
 
 #endif