diff --git a/bsp/board/bl808dk/board.c b/bsp/board/bl808dk/board.c
index f20b4ec5..c73243c6 100644
--- a/bsp/board/bl808dk/board.c
+++ b/bsp/board/bl808dk/board.c
@@ -278,11 +278,9 @@ void board_init(void)
     /* D0 image offset on flash is CONFIG_D0_FLASH_ADDR+0x1000(header) */
     bflb_sf_ctrl_set_flash_image_offset(CONFIG_D0_FLASH_ADDR + 0x1000, 1, SF_CTRL_FLASH_BANK0);
 
-    Tzc_Sec_Set_CPU_Group(GLB_CORE_ID_LP, 2);
+    Tzc_Sec_Set_CPU_Group(GLB_CORE_ID_LP, 0);
     /* LP boot from 0x58020000 */
     GLB_Set_CPU_Reset_Address(GLB_CORE_ID_LP, 0x58020000);
-    /* LP image offset on flash is CONFIG_LP_FLASH_ADDR+0x1000(header) */
-    bflb_sf_ctrl_set_flash_image_offset(CONFIG_LP_FLASH_ADDR + 0x1000, 2, SF_CTRL_FLASH_BANK1);
 
     bflb_irq_restore(flag);
 
diff --git a/bsp/board/bl808dk/board.h b/bsp/board/bl808dk/board.h
index d580825d..99f61e98 100644
--- a/bsp/board/bl808dk/board.h
+++ b/bsp/board/bl808dk/board.h
@@ -24,6 +24,6 @@ void board_iso11898_gpio_init(void);
 #define DEFAULT_TEST_UART_DMA_RDR        DMA_ADDR_UART1_RDR
 
 #define CONFIG_D0_FLASH_ADDR             0x100000
-#define CONFIG_LP_FLASH_ADDR             0x200000
+#define CONFIG_LP_FLASH_ADDR             0x20000
 
 #endif
\ No newline at end of file