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 90815ec55..d514b6745 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/include/sf_common.h b/code/lib/source/sifar/code/include/sf_common.h
index d7050e904..1355ae335 100755
--- a/code/lib/source/sifar/code/include/sf_common.h
+++ b/code/lib/source/sifar/code/include/sf_common.h
@@ -208,4 +208,5 @@ BOOL sf_vos_perf_list_dump(unsigned char argc, char **argv);
 void sf_mem_free(void);
 void sf_cardv_battery_level_set(UINT32 val);
 void sf_cardv_statistics_param_reset(void);
+void sf_cardv_set_wifi_en(UINT32 cnt);
 #endif
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 d61c88752..9d38ea064 100755
--- a/code/lib/source/sifar/code/source/common/sf_common.c
+++ b/code/lib/source/sifar/code/source/common/sf_common.c
@@ -2778,6 +2778,10 @@ 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;
@@ -3544,3 +3548,15 @@ void sf_cardv_statistics_param_reset(void)
     sf_com_message_send_to_app(&stMessageBuf);
     printf("[%s]:%d sf e\n", __FUNCTION__, __LINE__);
 }
+
+void sf_cardv_set_wifi_en(UINT32 cnt)
+{
+	static UINT8 state = 0;
+	if(0 == state)
+	{
+        state = 1;
+        gpio_direction_output(SF_WIFI_EN, 1);
+    }
+    gpio_set_value(SF_WIFI_EN, cnt);
+    printf("[%s:%d] e cnt:%d\n", __FUNCTION__, __LINE__,cnt);
+}
\ No newline at end of file