diff --git a/code/application/source/cardv/SrcCode/Mode/UIModePhoto.c b/code/application/source/cardv/SrcCode/Mode/UIModePhoto.c
index 33fad98f9..a1809ba38 100755
--- a/code/application/source/cardv/SrcCode/Mode/UIModePhoto.c
+++ b/code/application/source/cardv/SrcCode/Mode/UIModePhoto.c
@@ -2,7 +2,9 @@
 #include "PrjInc.h"
 
 #include "Mode/UIModePhoto.h"
-
+#if HUNTING_CAMERA_MCU == ENABLE
+#include "sf_common.h"
+#endif
 #if(WIFI_FUNC==ENABLE)
 #include "UIModeWifi.h"
 #endif
@@ -58,6 +60,10 @@ void ModePhoto_Open(void)
         }
 	}
 #endif
+
+    #if HUNTING_CAMERA_MCU == ENABLE
+    sf_mem_free();
+    #endif
 #endif
 }
 void ModePhoto_Close(void)
diff --git a/code/application/source/cardv/SrcCode/NVTUserCommand.h b/code/application/source/cardv/SrcCode/NVTUserCommand.h
index 0dc590cf6..71201744a 100755
--- a/code/application/source/cardv/SrcCode/NVTUserCommand.h
+++ b/code/application/source/cardv/SrcCode/NVTUserCommand.h
@@ -103,6 +103,7 @@ typedef enum {
 #if defined(_UI_STYLE_LVGL_)
 	NVTEVT_UPDATE_LVGL          = 0x80000001, ///< Update lvgl task handel
 #endif
+	NVTEVT_MSG_SCREEN_KEY       = 0x80000002,
 
 	/* INSERT NEW EVENT HRER */
 
diff --git a/code/application/source/cardv/SrcCode/System/SysMain.c b/code/application/source/cardv/SrcCode/System/SysMain.c
index 505827410..7441a328a 100644
--- a/code/application/source/cardv/SrcCode/System/SysMain.c
+++ b/code/application/source/cardv/SrcCode/System/SysMain.c
@@ -696,12 +696,6 @@ void UserMainProc(void)
     					g_keyboard_pressed = false;
 						leftKeyPressingTime_ms = 0;
     				}
-                    //call input task immediately for read key state
-                    if(indev_keypad){
-                    	_lv_user_task_handler_lock();
-                        indev_keypad->driver.read_task->task_cb(indev_keypad->driver.read_task);
-                        _lv_user_task_handler_unlock();
-                    }
 
                     /* workaround to extend key release event for lvgl */
                     if((paramArray[0] > NVTEVT_KEY_RELEASE_START) && (paramArray[0] < NVTEVT_KEY_RELEASE_END)){
@@ -723,6 +717,12 @@ void UserMainProc(void)
                     		DBG_WRN("evt = %lx\r\n", evt);
                     	}
                     }
+                    //call input task immediately for read key state
+                    if(indev_keypad){
+                    	_lv_user_task_handler_lock();
+                        indev_keypad->driver.read_task->task_cb(indev_keypad->driver.read_task);
+                        _lv_user_task_handler_unlock();
+                    }
                     if(paramArray[0] == NVTEVT_KEY_CONTINUE){
                     	uint32_t nvt_user_key = lv_user_keymap_find(evt);
 						#define MENU_UNLUCK 0
diff --git a/code/application/source/cardv/SrcCode/System/SysMain_Exe.c b/code/application/source/cardv/SrcCode/System/SysMain_Exe.c
index 604baf7fa..15cdfc886 100755
--- a/code/application/source/cardv/SrcCode/System/SysMain_Exe.c
+++ b/code/application/source/cardv/SrcCode/System/SysMain_Exe.c
@@ -409,10 +409,7 @@ INT32 System_OnBoot(VControl *pCtrl, UINT32 paramNum, UINT32 *paramArray)
     }
     #endif
     #if HUNTING_CAMERA_MCU == ENABLE
-    printf("[%s]:%d sf s\n", __FUNCTION__, __LINE__);
-    system("sync");
-    system("echo 3 >/proc/sys/vm/drop_caches");
-    printf("[%s]:%d sf e\n", __FUNCTION__, __LINE__);
+    sf_mem_free();
     #endif
 	return NVTEVT_CONSUME;
 }
diff --git a/code/application/source/cardv/SrcCode/System/main.c b/code/application/source/cardv/SrcCode/System/main.c
index 8d94cf74d..0c7c274ce 100755
--- a/code/application/source/cardv/SrcCode/System/main.c
+++ b/code/application/source/cardv/SrcCode/System/main.c
@@ -332,11 +332,13 @@ UINT8 sf_cardv_check_power_on_mode(void)
     char *pStrOtsOk = "Mode=";
     char *pStrUpFw = "UpFw=";
     char *pStrUpMcu = "mcu=";
+    char *pStrSF = "sf=";
 
     char *temp = NULL;
 	UINT8 startup = 0;
 	UINT8 UpFw = 0;
 	UINT8 Upmcu = 0;
+	UINT8 sftmp = 0;
 
     system("cat /proc/cmdline > /tmp/Mode.txt");
     fp = fopen("/tmp/Mode.txt","r");
@@ -371,7 +373,13 @@ UINT8 sf_cardv_check_power_on_mode(void)
             sscanf(temp, "%hhd", &Upmcu);
             sf_set_mcu_update_flag(Upmcu);
 		}
-        SLOGI("StartMode=%d,UpFw=%d Upmcu=%d\r\n", startup, UpFw, Upmcu);
+        temp = strstr(pStrSrc, pStrSF);
+		if ( temp != NULL) {
+            temp += strlen("sf=");
+            sscanf(temp, "%hhd", &sftmp);
+            sf_cardv_battery_level_set(sftmp);
+		}
+        SLOGI("StartMode=%d,UpFw=%d Upmcu=%d sftmp=%d\r\n", startup, UpFw, Upmcu, sftmp);
 		free(pStrSrc);
 	}
 
diff --git a/code/application/source/cardv/SrcCode/UIWnd/LVGL_SPORTCAM/UIFlowLVGL/UIFlowMenuCommonItem/UIFlowMenuCommonItemEventCallback.c b/code/application/source/cardv/SrcCode/UIWnd/LVGL_SPORTCAM/UIFlowLVGL/UIFlowMenuCommonItem/UIFlowMenuCommonItemEventCallback.c
index a0aef5332..5bc06161c 100755
--- a/code/application/source/cardv/SrcCode/UIWnd/LVGL_SPORTCAM/UIFlowLVGL/UIFlowMenuCommonItem/UIFlowMenuCommonItemEventCallback.c
+++ b/code/application/source/cardv/SrcCode/UIWnd/LVGL_SPORTCAM/UIFlowLVGL/UIFlowMenuCommonItem/UIFlowMenuCommonItemEventCallback.c
@@ -949,12 +949,7 @@ static void UIFlowMenuCommonItem_ScrOpen(lv_obj_t* obj)
 	gMenuLuck = MENU_UNLUCK;
     #if HUNTING_CAMERA_MCU == ENABLE
     sf_set_menu_open(TRUE);
-
-    printf("[%s]:%d sf s\n", __FUNCTION__, __LINE__);
-    system("sync");
-    system("echo 3 >/proc/sys/vm/drop_caches");
-    printf("[%s]:%d sf e\n", __FUNCTION__, __LINE__);
-
+    sf_mem_free();
     #endif
 
 }
diff --git a/code/application/source/cardv/SrcCode/UIWnd/LVGL_SPORTCAM/UIFlowLVGL/UIFlowPhoto/UIFlowPhotoEventCallback.c b/code/application/source/cardv/SrcCode/UIWnd/LVGL_SPORTCAM/UIFlowLVGL/UIFlowPhoto/UIFlowPhotoEventCallback.c
index b56488920..325c11d43 100755
--- a/code/application/source/cardv/SrcCode/UIWnd/LVGL_SPORTCAM/UIFlowLVGL/UIFlowPhoto/UIFlowPhotoEventCallback.c
+++ b/code/application/source/cardv/SrcCode/UIWnd/LVGL_SPORTCAM/UIFlowLVGL/UIFlowPhoto/UIFlowPhotoEventCallback.c
@@ -73,6 +73,7 @@ static BOOL g_PhotoBgInitFileSys = FALSE;
 static BOOL g_SysStrg_Chg = FALSE;
 //#NT#2023/11/21#Eric - end
 
+static void UIFlowPhoto_Key(lv_obj_t* obj, uint32_t key);
 static void sf_show_send_text(lv_obj_t* obj, const unsigned short status);
 static lv_obj_t *g_preview_info_msgbox = NULL;
 static lv_obj_t *g_preview_info_label = NULL;
@@ -1797,6 +1798,7 @@ void UIFlowPhoto_UpdateInfo(lv_obj_t* obj, const LV_USER_EVENT_NVTMSG_DATA* msg)
             {
                 sf_wifi_server_stop_shoot_respond(0);
             }
+            sf_mem_free();
         }
         #if HUNTING_CAMERA_MCU == ENABLE
         sf_set_cap_statu(FALSE);
diff --git a/code/application/source/cardv/SrcCode/UIWnd/LVGL_SPORTCAM/UIFlowLVGL/UIFlowPlay/UIFlowPlayEventCallback.c b/code/application/source/cardv/SrcCode/UIWnd/LVGL_SPORTCAM/UIFlowLVGL/UIFlowPlay/UIFlowPlayEventCallback.c
index 98d1e6f62..f9182af37 100755
--- a/code/application/source/cardv/SrcCode/UIWnd/LVGL_SPORTCAM/UIFlowLVGL/UIFlowPlay/UIFlowPlayEventCallback.c
+++ b/code/application/source/cardv/SrcCode/UIWnd/LVGL_SPORTCAM/UIFlowLVGL/UIFlowPlay/UIFlowPlayEventCallback.c
@@ -2434,7 +2434,6 @@ static void UIFlowPlay_Key(lv_obj_t* obj, uint32_t key)
 
 static void UIFlowPlay_NVTMSG(lv_obj_t* obj, const LV_USER_EVENT_NVTMSG_DATA* msg)
 {
-
     switch(msg->event)
     {
     case NVTEVT_CB_MOVIE_FINISH:
@@ -2506,6 +2505,18 @@ static void UIFlowPlay_NVTMSG(lv_obj_t* obj, const LV_USER_EVENT_NVTMSG_DATA* ms
 
         break;
     }
+	case NVTEVT_MSG_SCREEN_KEY:
+	if (1 == msg->paramNum)
+	{
+        uint32_t key = msg->paramArray[0];
+        if (SELECTION_SHOW_TURE == gSeletionShow) {
+            Option_play_Selection_Key(obj, key);
+        } else {
+            /* handle key event */
+            UIFlowPlay_Key(obj, key);
+        }
+	}
+	break;
     default:
         break;
 
diff --git a/code/application/source/cardv/SrcCode/UIWnd/LVGL_SPORTCAM/UIFlowLVGL/UIFlowWrnMsg/UIFlowWrnMsgEventCallback.c b/code/application/source/cardv/SrcCode/UIWnd/LVGL_SPORTCAM/UIFlowLVGL/UIFlowWrnMsg/UIFlowWrnMsgEventCallback.c
index 40d64b6b4..49c671a2d 100755
--- a/code/application/source/cardv/SrcCode/UIWnd/LVGL_SPORTCAM/UIFlowLVGL/UIFlowWrnMsg/UIFlowWrnMsgEventCallback.c
+++ b/code/application/source/cardv/SrcCode/UIWnd/LVGL_SPORTCAM/UIFlowLVGL/UIFlowWrnMsg/UIFlowWrnMsgEventCallback.c
@@ -326,7 +326,11 @@ void message_box_wrnmsg_OnKey(lv_obj_t* msgbox, uint32_t key)
 {
 	// static uint32_t key22 = LV_KEY_END;
 	// key22 = key;
-	// lv_event_send(lv_obj_get_parent(UIFlowWrnMsg), LV_USER_EVENT_KEY_RELEASE, &key22);
+	if(lv_plugin_scr_count() >= 2){
+		lv_event_send(lv_plugin_scr_by_index(lv_plugin_scr_count() - 2), LV_USER_EVENT_NVTMSG, gen_nvtmsg_data(NVTEVT_MSG_SCREEN_KEY, 1, key));
+	}else{
+		lv_event_send(lv_plugin_scr_act(), LV_USER_EVENT_NVTMSG, gen_nvtmsg_data(NVTEVT_MSG_SCREEN_KEY, 1, key));
+	}
 	return;
 	switch(key)
 	{
diff --git a/code/lib/source/sifar/code/include/sf_common.h b/code/lib/source/sifar/code/include/sf_common.h
index 45c796223..4e5a64c44 100755
--- a/code/lib/source/sifar/code/include/sf_common.h
+++ b/code/lib/source/sifar/code/include/sf_common.h
@@ -204,4 +204,6 @@ UINT8 sf_get_net_generation(void);
 void sf_set_net_generation(UINT8 value);
 UINT32 sf_cardv_load_menu_info_start(void);
 BOOL sf_vos_perf_list_dump(unsigned char argc, char **argv);
+void sf_mem_free(void);
+void sf_cardv_battery_level_set(UINT32 val);
 #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 9933b4dce..3661bee63 100755
--- a/code/lib/source/sifar/code/source/common/sf_common.c
+++ b/code/lib/source/sifar/code/source/common/sf_common.c
@@ -2521,7 +2521,18 @@ UINT32 sf_cardv_battery_level_get(void)
 	return (UINT32)sf_LatestBattLevel;
 }
 
-
+/*************************************************
+   Function:    sf_battery_level_set
+   Description: set battery level
+   Input:  N/A
+   Output: N/A
+   Return: N/A
+   Others: N/A
+*************************************************/
+void sf_cardv_battery_level_set(UINT32 val)
+{
+	sf_LatestBattLevel = val;
+}
 /*************************************************
   Function:    sf_battery_value_get
   Description: get battery value x%
@@ -3498,4 +3509,12 @@ BOOL sf_vos_perf_list_dump(unsigned char argc, char **argv)
     sleep(1);
     system("dmesg");
 	return TRUE;
-}
\ No newline at end of file
+}
+
+void sf_mem_free(void)
+{
+    printf("[%s]:%d sf s\n", __FUNCTION__, __LINE__);
+    system("sync");
+    system("echo 3 >/proc/sys/vm/drop_caches");
+    printf("[%s]:%d sf e\n", __FUNCTION__, __LINE__);
+}
diff --git a/rtos/code/application/source/cardv/SrcCode/System/sys_linuxboot.c b/rtos/code/application/source/cardv/SrcCode/System/sys_linuxboot.c
index aa75b4ee1..1615806e6 100644
--- a/rtos/code/application/source/cardv/SrcCode/System/sys_linuxboot.c
+++ b/rtos/code/application/source/cardv/SrcCode/System/sys_linuxboot.c
@@ -25,6 +25,7 @@
 #include "sys_fastboot.h"
 #if HUNTING_CAMERA_MCU == ENABLE
 #include "sf_mcu.h"
+#include "sf_battery.h"
 #endif
 #define CFG_BOOTARG_EXTRA_MAX_LEN 0x100 /* for init.d script parsing by (dmesg | grep xxx) */
 
@@ -854,7 +855,7 @@ static int make_bootargs(LINUXTMP_PARTITION *p_linuxtmp, unsigned int bootts_beg
     //     }
     // }
 
-    snprintf(PowerOnModeStr, sizeof(PowerOnModeStr), "Mode=%d UpFw=%d mcu=%d",sf_get_power_on_mode(), sf_in_update() , sf_in_mcu_update());
+    snprintf(PowerOnModeStr, sizeof(PowerOnModeStr), "Mode=%d UpFw=%d mcu=%d sf=%d",sf_get_power_on_mode(), sf_in_update() , sf_in_mcu_update(), sf_battery_level_get());
     linuxboot_set_extra_bootarg(PowerOnModeStr);
 #endif
 	p_linuxtmp->bootargs_addr = p_linuxtmp->tmp_curr;