diff --git a/MBL/source_ns/drivers/CMT2310/0_Project/Uart_PingPong/main.c b/MBL/source_ns/drivers/CMT2310/0_Project/Uart_PingPong/main.c
index 3ed62f9..f920ff0 100755
--- a/MBL/source_ns/drivers/CMT2310/0_Project/Uart_PingPong/main.c
+++ b/MBL/source_ns/drivers/CMT2310/0_Project/Uart_PingPong/main.c
@@ -61,7 +61,6 @@ int ebyte_main( void )
 {
 	/* Init Systick */
 	systick_config();
-#if 0
 	/* 板载硬件资源 初始化 */
 	Ebyte_BSP_Init();
 	/* (可选) 串口中断接收FIFO 可根据需要自行处理 */
@@ -71,7 +70,7 @@ int ebyte_main( void )
 	/* 启用无线模块接收 */
 	Ebyte_RF.EnterReceiveMode( 0 );
 	/* MCU 开全局中断 */
-	Ebyte_BSP_GlobalIntEnable();
+//	Ebyte_BSP_GlobalIntEnable();
 
 	EBYTE_LOG( "Start PingPong.....\r\n" );
 	EBYTE_LOG( "Please push button1 or button2.....\r\n" );
@@ -90,7 +89,7 @@ int ebyte_main( void )
 	}
 
 	Ebyte_BSP_GlobalIntDisable();
-#endif
+	Ebyte_BSP_Deinit();
 	systick_deinit();
 }
 
diff --git a/MBL/source_ns/drivers/CMT2310/2_Ebyte_Board_Support/E15-EVB02/board.c b/MBL/source_ns/drivers/CMT2310/2_Ebyte_Board_Support/E15-EVB02/board.c
index e57b2c9..c1e3f0e 100755
--- a/MBL/source_ns/drivers/CMT2310/2_Ebyte_Board_Support/E15-EVB02/board.c
+++ b/MBL/source_ns/drivers/CMT2310/2_Ebyte_Board_Support/E15-EVB02/board.c
@@ -23,6 +23,10 @@
 #include "ebyte_port.h"
 #include "ebyte_conf.h"
 #include "gd32w51x_gpio.h"
+#include "gd32w51x_misc.h"
+#include "gd32w51x_rcu.h"
+#include "gd32w51x_spi.h"
+#include "gd32w51x_timer.h"
 #include "platform_def.h"
 
 BSP_BTN_FIFO_t BSP_BTN_FIFO;
@@ -43,7 +47,6 @@ void Ebyte_BSP_HSI_Init(void)
 //  CLK_SYSCLKDivConfig( CLK_SYSCLKDiv_1 );
 }
 
-
 void Ebyte_BSP_E48xGPIO_Init(void)
 {
     rcu_periph_clock_enable(BSP_GPIO_RCU_E48_GPIO);
@@ -54,6 +57,12 @@ void Ebyte_BSP_E48xGPIO_Init(void)
     gpio_mode_set( BSP_GPIO_PORT_E48_GP4,  GPIO_MODE_INPUT, GPIO_PUPD_NONE,   BSP_GPIO_PIN_E48_GP4);
     gpio_mode_set( BSP_GPIO_PORT_E48_GP5,  GPIO_MODE_INPUT, GPIO_PUPD_PULLUP, BSP_GPIO_PIN_E48_GP5);
 }
+
+void Ebyte_BSP_E48xGPIO_Deinit(void)
+{
+    rcu_periph_clock_disable(BSP_GPIO_RCU_E48_GPIO);
+}
+
 /* !
  * @brief 初始化所有IO
  *
@@ -77,6 +86,23 @@ void Ebyte_BSP_GPIO_Init(void)
 //    GPIO_Init( BSP_GPIO_PORT_BUTTON_2, BSP_GPIO_PIN_BUTTON_2, GPIO_Mode_In_PU_No_IT );
 }
 
+/* !
+ * @brief 初始化所有IO
+ *
+ * @note  目标硬件: EBYTE E15-EVB02
+ */
+void Ebyte_BSP_GPIO_Deinit(void)
+{
+    /* Button */
+    rcu_periph_clock_disable(BSP_GPIO_RCU_E48_BUTTON);
+
+    /* LED */
+    rcu_periph_clock_disable(BSP_GPIO_RCU_E48_LED);
+
+    /* E48 */
+    Ebyte_BSP_E48xGPIO_Deinit();
+}
+
 /* !
  * @brief 通信串口初始化
  *
@@ -146,6 +172,21 @@ void Ebyte_BSP_SPI_Init( void )
     spi_enable(BSP_RF_SPI);
 }
 
+/* !
+ * @brief 无线模块通信SPI接口初始化函数
+ */
+void Ebyte_BSP_SPI_Deinit( void )
+{
+    /* SPI enable */
+    spi_disable(BSP_RF_SPI);
+
+    spi_i2s_deinit(BSP_RF_SPI);
+
+    spi_parameter_struct spi_init_struct;
+
+    rcu_periph_clock_disable(BSP_RF_SPI_CLOCK);
+}
+
 /* !
  * @brief RF模块SPI通信收/发函数
  *
@@ -210,6 +251,31 @@ void Ebyte_BSP_TIMER_Init( void )
     nvic_irq_enable(TIMER2_IRQn, 0, 0);
 }
 
+/* !
+ * @brief 定时器初始化
+ *
+ * @note  使用了TIM3产生1ms周期性中断
+ *        TIM3的主时钟为HSI 16MHz, 128分频即为 16 MHz / 128 = 125 000 Hz
+ *        目标定时1ms 计数周期即为 ( 0.001 x 125000 - 1) = 124
+ */
+void Ebyte_BSP_TIMER_Deinit( void )
+{
+    nvic_irq_disable(TIMER2_IRQn);
+
+    /* enable a TIMER */
+    timer_disable(BSP_RF_TIMER);
+    /* enable the TIMER interrupt */
+    timer_interrupt_disable(BSP_RF_TIMER, TIMER_INT_UP);
+    /* clear interrupt bit */
+    timer_interrupt_flag_clear(BSP_RF_TIMER, TIMER_INT_FLAG_UP);
+
+    /* enable the peripherals clock */
+    rcu_periph_clock_disable(BSP_RF_TIMER_RCU);
+
+    /* deinit a TIMER */
+    timer_deinit(BSP_RF_TIMER);
+}
+
 /* !
  * @brief E15-EVB02 板载资源初始化
  *
@@ -241,6 +307,31 @@ void Ebyte_BSP_Init( void )
     Ebyte_BTN_FIFO_Init( &BSP_BTN_FIFO );
 }
 
+/* !
+ * @brief E15-EVB02 板载资源初始化
+ *
+ * @note  内部时钟HSI  x 16MHz
+ *        用户通信串口 x USART1
+ *        无线模块通信接口 x SPI1
+ *        定时器  x TIM3
+ *        按键    x 2
+ *        指示灯  x 2
+ */
+void Ebyte_BSP_Deinit( void )
+{
+    /* 定时器   初始化 */
+    Ebyte_BSP_TIMER_Deinit();
+
+    /* SPI接口  初始化   */
+    Ebyte_BSP_SPI_Deinit();
+
+    /* 串口     初始化 */
+//    Ebyte_BSP_UART_Init();
+
+    /* IO       初始化 */
+    Ebyte_BSP_GPIO_Deinit();
+}
+
 /* !
  * @brief 控制LED 开/关/翻转
  *
diff --git a/MBL/source_ns/drivers/CMT2310/2_Ebyte_Board_Support/E15-EVB02/board.h b/MBL/source_ns/drivers/CMT2310/2_Ebyte_Board_Support/E15-EVB02/board.h
index b2e50c8..326d535 100755
--- a/MBL/source_ns/drivers/CMT2310/2_Ebyte_Board_Support/E15-EVB02/board.h
+++ b/MBL/source_ns/drivers/CMT2310/2_Ebyte_Board_Support/E15-EVB02/board.h
@@ -164,6 +164,7 @@ typedef struct
 extern BSP_BTN_FIFO_t BSP_BTN_FIFO;
 
 void Ebyte_BSP_Init( void );
+void Ebyte_BSP_Deinit( void );
 void Ebyte_BTN_FIFO_Init(BSP_BTN_FIFO_t *fifo);
 void Ebyte_BSP_DelayMs( volatile uint32_t nTime );
 void Ebyte_BSP_TimerDecrement(void);
diff --git a/MBL/source_ns/mbl_ns.c b/MBL/source_ns/mbl_ns.c
index 5dacd3e..51a59b3 100644
--- a/MBL/source_ns/mbl_ns.c
+++ b/MBL/source_ns/mbl_ns.c
@@ -75,7 +75,7 @@ static void jump_to_main_image(uint32_t msp, uint32_t reset)
 
     img_reset = (img_fptr_t)reset;
 
-    __disable_irq();
+//    __disable_irq();
 #if defined(__ARM_ARCH_8M_MAIN__) || defined(__ARM_ARCH_8M_BASE__)
     /* Restore the Main Stack Pointer Limit register's reset value
      * before passing execution to runtime firmware to make the