diff --git a/code/lib/source/sifar/code/include/sf_common.h b/code/lib/source/sifar/code/include/sf_common.h
index aab391e67..deec4d975 100755
--- a/code/lib/source/sifar/code/include/sf_common.h
+++ b/code/lib/source/sifar/code/include/sf_common.h
@@ -118,4 +118,5 @@ BOOL sf_cmd_disp_para_set(unsigned char argc, char **argv);
 BOOL sf_cmd_ftp_switch(unsigned char argc, char **argv);
 BOOL sf_cmd_ftp(unsigned char argc, char **argv);
 BOOL sf_cmd_ftps(unsigned char argc, char **argv);
+UINT32 sf_cardv_cap_start(void);
 #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 27e34d47f..1ff20d8a7 100755
--- a/code/lib/source/sifar/code/source/common/sf_common.c
+++ b/code/lib/source/sifar/code/source/common/sf_common.c
@@ -99,7 +99,11 @@ static SF_THREAD_S WifiTskCfg =
 	.IsRun = 0,
 	.TskId = -1,
 };
-
+static SF_THREAD_S CapTskCfg =
+{
+	.IsRun = 0,
+	.TskId = -1,
+};
 int sf_pir_statu_read(void)
 {
 	static UINT8 state = 0;
@@ -1626,31 +1630,7 @@ static SINT32 sf_cardv_proccess_cmd_wifi(SF_MESSAGE_BUF_S *pMessageBuf)
             ImageApp_Common_RtspStart(0);
             break;
         case SF_WIFI_CMD_CAPTURE:
-            if(PWR_ON_SETUP != sf_cardv_convert_power_on_mode()){
-                if(TRUE != sf_is_preview()){
-                    UIMenuStoreInfo *puiPara = sf_ui_para_get();
-                    int iCurrMode = System_GetState(SYS_STATE_CURRMODE);
-                    int iNextMode = PRIMARY_MODE_PHOTO;
-                    if((puiPara->CamMode == SF_CAM_MODE_PHOTO) || (puiPara->CamMode == SF_CAM_MODE_PHOTO_VIDEO))
-                    {
-                        iNextMode = PRIMARY_MODE_PHOTO;
-                    }
-                    else if(puiPara->CamMode == SF_CAM_MODE_VIDEO)
-                    {
-                        iNextMode = PRIMARY_MODE_MOVIE;
-                    }
-                    else
-                    {
-                        iNextMode = PRIMARY_MODE_PHOTO;
-                    }
-                    UI_SetData(FL_PreMode, iCurrMode);
-                    UI_SetData(FL_NextMode, iNextMode);
-                    Ux_PostEvent(NVTEVT_SYSTEM_MODE, 1, iNextMode);
-                    vos_util_delay_ms(400);
-                }
-            }
-
-            FlowPhoto_DoCapture();
+            sf_cardv_cap_start();
             break;
         case SF_WIFI_CMD_HD_TURE:
             if(!hdFlagInit)
@@ -2436,4 +2416,54 @@ BOOL sf_cmd_ftp_switch(unsigned char argc, char **argv)
     }
     printf("[%s:%d] FtpSwitch:%d\n", __FUNCTION__, __LINE__,puiPara->FtpSwitch);
 	return TRUE;
+}
+
+void* sf_cardv_cap_thread(void *arg)
+{
+    if(PWR_ON_SETUP != sf_cardv_convert_power_on_mode()){
+        if(TRUE != sf_is_preview()){
+            UIMenuStoreInfo *puiPara = sf_ui_para_get();
+            int iCurrMode = System_GetState(SYS_STATE_CURRMODE);
+            int iNextMode = PRIMARY_MODE_PHOTO;
+            if((puiPara->CamMode == SF_CAM_MODE_PHOTO) || (puiPara->CamMode == SF_CAM_MODE_PHOTO_VIDEO))
+            {
+                iNextMode = PRIMARY_MODE_PHOTO;
+            }
+            else if(puiPara->CamMode == SF_CAM_MODE_VIDEO)
+            {
+                iNextMode = PRIMARY_MODE_MOVIE;
+            }
+            else
+            {
+                iNextMode = PRIMARY_MODE_PHOTO;
+            }
+            UI_SetData(FL_PreMode, iCurrMode);
+            UI_SetData(FL_NextMode, iNextMode);
+            Ux_PostEvent(NVTEVT_SYSTEM_MODE, 1, iNextMode);
+            vos_util_delay_ms(1000);
+        }
+    }
+
+    FlowPhoto_DoCapture();
+	CapTskCfg.IsRun = 0;
+	return NULL;
+}
+
+UINT32 sf_cardv_cap_start(void)
+{
+    SINT32 ret = 1;
+	if(CapTskCfg.IsRun)
+	{	
+		SLOGE("thread has already run !!!\n");
+		return 1;
+	}
+	ret = pthread_create(&CapTskCfg.TskId, NULL, sf_cardv_cap_thread, NULL);
+	if(ret != SF_SUCCESS)
+	{	
+        MLOGD("thread  creat fail!\n");
+		return ret;
+	}
+	CapTskCfg.IsRun = 1;
+	return SF_SUCCESS;
+
 }
\ No newline at end of file