diff --git a/bk_aidk/projects/beken_wss_paopao/main/app_main.c b/bk_aidk/projects/beken_wss_paopao/main/app_main.c
index 05a31f28..eb5ed45e 100755
--- a/bk_aidk/projects/beken_wss_paopao/main/app_main.c
+++ b/bk_aidk/projects/beken_wss_paopao/main/app_main.c
@@ -48,6 +48,7 @@ extern void user_app_main(void);
 extern void rtos_set_user_app_entry(beken_thread_function_t entry);
 extern int bk_cli_init(void);
 extern void bk_set_jtag_mode(uint32_t cpu_id, uint32_t group_id);
+void bk_enter_deepsleep();
 
 #define TAG "APP_MAIN"
 
@@ -103,6 +104,7 @@ const struct factory_config_t s_user_config[] = {
 #if (CONFIG_SYS_CPU0)
     #include "iot/thing.h"
 #endif
+
 void power_on();
 void power_off();
 
@@ -254,16 +256,25 @@ static void handle_system_event(key_event_t event)
             rtos_delay_milliseconds(1000);
             bk_gpio_enable_output(51);
             bk_gpio_set_output_low(51);
+            bk_enter_deepsleep();
+            while (1)
+            {
+                rtos_delay_milliseconds(1);
+                 bk_printf("wait for power off\n");
+            }
+            
          
         }
         else if (ispoweron == 0)
         {
             bk_printf("POWER ON \r\n");
+
+            bk_gpio_enable_output(51);
+            bk_gpio_set_output_high(51);
             power_on();
 #if (CONFIG_SYS_CPU0)
             //打开电源供电
-            bk_gpio_enable_output(51);
-            bk_gpio_set_output_high(51);
+            
             ispoweron = 1;
 
             ws2812_led_wifi_disconnect();