diff --git a/bsp/stm32/stm32l475-atk-pandora/board/Kconfig b/bsp/stm32/stm32l475-atk-pandora/board/Kconfig
index 90cf83801f9036db8cc0f5fe4d503049f53b33a8..54ee1707d390fd27fb34cef8f75ca865c9e76481 100644
--- a/bsp/stm32/stm32l475-atk-pandora/board/Kconfig
+++ b/bsp/stm32/stm32l475-atk-pandora/board/Kconfig
@@ -29,6 +29,15 @@ menu "Onboard Peripheral Drivers"
         select RT_USING_DFS_ELMFAT
         default n
 
+    config BSP_USING_ICM20608
+        bool "Enable icm20608 (i2c3)"
+        select BSP_USING_I2C
+        select BSP_USING_I2C3
+        select PKG_USING_SENSORS_DRIVERS
+        select PKG_USING_MPU6XXX
+        select PKG_USING_MPU6XXX_LATEST_VERSION
+        default n
+
 endmenu
 
 menu "On-chip Peripheral Drivers"
@@ -112,55 +121,42 @@ menu "On-chip Peripheral Drivers"
         bool "Enable QSPI DMA support"
         default n
 
-    menuconfig BSP_USING_I2C1
-        bool "Enable I2C1 BUS (software simulation)"
-        default n
-        select RT_USING_I2C
-        select RT_USING_I2C_BITOPS
-        select RT_USING_PIN
-        if BSP_USING_I2C1
-            config BSP_I2C1_SCL_PIN
-                int "i2c1 scl pin number"
-                range 1 176
-                default 15
-            config BSP_I2C1_SDA_PIN
-                int "I2C1 sda pin number"
-                range 1 176
-                default 16
-        endif
-
-    menuconfig BSP_USING_I2C2
-        bool "Enable I2C2 BUS (software simulation)"
+    menuconfig BSP_USING_I2C
+        bool "Enable I2C BUS"
         default n
         select RT_USING_I2C
         select RT_USING_I2C_BITOPS
         select RT_USING_PIN
-        if BSP_USING_I2C2
-            config BSP_I2C2_SCL_PIN
-                int "i2c2 scl pin number"
-                range 1 176
-                default 47
-            config BSP_I2C2_SDA_PIN
-                int "I2C2 sda pin number"
-                range 1 176
-                default 48
-        endif
-
-    menuconfig BSP_USING_I2C3
-        bool "Enable I2C3 BUS (software simulation)"
-        default n
-        select RT_USING_I2CS
-        select RT_USING_I2C_BITOPS
-        select RT_USING_PIN
-        if BSP_USING_I2C3
-            config BSP_I2C3_SCL_PIN
-                int "i2c3 scl pin number"
-                range 1 176
-                default 92
-            config BSP_I2C3_SDA_PIN
-                int "I2C3 sda pin number"
-                range 1 176
-                default 93
+        if BSP_USING_I2C
+            menuconfig BSP_USING_I2C3
+                bool "Enable I2C3 BUS (software simulation)"
+                default y
+                if BSP_USING_I2C3
+                    comment "Notice: PC0 --> 32; PC1 --> 33" 
+                    config BSP_I2C3_SCL_PIN
+                        int "i2c3 scl pin number"
+                        range 1 176
+                        default 32
+                    config BSP_I2C3_SDA_PIN
+                        int "I2C3 sda pin number"
+                        range 1 176
+                        default 33
+                endif
+
+            menuconfig BSP_USING_I2C4
+                bool "Enable I2C4 BUS (AHT10)"
+                default n
+                if BSP_USING_I2C4
+                    comment "Notice: PC1 --> 33; PD6 --> 54" 
+                    config BSP_I2C4_SCL_PIN
+                        int "i2c4 scl pin number"
+                        range 1 176
+                        default 54
+                    config BSP_I2C4_SDA_PIN
+                        int "I2C4 sda pin number"
+                        range 1 176
+                        default 33
+                endif
         endif
 
     menuconfig BSP_USING_TIM
diff --git a/bsp/stm32/stm32l475-atk-pandora/board/SConscript b/bsp/stm32/stm32l475-atk-pandora/board/SConscript
index fb51c3cc0ab79ae8778d31d5f97358b949c41b9e..05018ba3ab438394c02aaecc7af694f29c621bee 100644
--- a/bsp/stm32/stm32l475-atk-pandora/board/SConscript
+++ b/bsp/stm32/stm32l475-atk-pandora/board/SConscript
@@ -18,6 +18,9 @@ if GetDepend(['BSP_USING_QSPI_FLASH']):
 if GetDepend(['BSP_USING_SDCARD']):
     src += Glob('ports/sdcard_port.c')
 
+if GetDepend(['BSP_USING_ICM20608']):
+    src += Glob('ports/sensor_port.c')
+
 path =  [cwd]
 path += [cwd + '/CubeMX_Config/Inc']
 path += [cwd + '/ports']
diff --git a/bsp/stm32/stm32l475-atk-pandora/board/ports/drv_qspi_flash.c b/bsp/stm32/stm32l475-atk-pandora/board/ports/drv_qspi_flash.c
index 36ecb754e9939962f4d01c6ecaf33f9671eb110d..aef2226239aa68f3539248a1396ce29a4fc49f3c 100644
--- a/bsp/stm32/stm32l475-atk-pandora/board/ports/drv_qspi_flash.c
+++ b/bsp/stm32/stm32l475-atk-pandora/board/ports/drv_qspi_flash.c
@@ -74,4 +74,37 @@ static int rt_hw_qspi_flash_with_sfud_init(void)
 }
 INIT_COMPONENT_EXPORT(rt_hw_qspi_flash_with_sfud_init);
 
-#endif/* BSP_USING_QSPI_FLASH */
+#if defined(RT_USING_DFS_ELMFAT) && !defined(BSP_USING_SDCARD)
+#include <dfs_fs.h>
+
+#define BLK_DEV_NAME  "W25Q128"
+
+int mnt_init(void)
+{
+    rt_thread_delay(RT_TICK_PER_SECOND);
+
+    if (dfs_mount(BLK_DEV_NAME, "/", "elm", 0, 0) == 0)
+    {
+        rt_kprintf("file system initialization done!\n");
+    }
+    else
+    {
+        if(dfs_mkfs("elm", BLK_DEV_NAME) == 0)
+        {
+            if (dfs_mount(BLK_DEV_NAME, "/", "elm", 0, 0) == 0)
+            {
+                rt_kprintf("file system initialization done!\n");
+            }
+            else
+            {
+                rt_kprintf("file system initialization failed!\n");
+            }
+        }
+    }
+
+    return 0;
+}
+INIT_ENV_EXPORT(mnt_init);
+
+#endif /* defined(RT_USING_DFS_ELMFAT) && !defined(BSP_USING_SDCARD) */
+#endif /* BSP_USING_QSPI_FLASH */
diff --git a/bsp/stm32/stm32l475-atk-pandora/board/ports/sensor_port.c b/bsp/stm32/stm32l475-atk-pandora/board/ports/sensor_port.c
new file mode 100644
index 0000000000000000000000000000000000000000..e755e9ac9c92276edcde785bcf5c7eddfd72baec
--- /dev/null
+++ b/bsp/stm32/stm32l475-atk-pandora/board/ports/sensor_port.c
@@ -0,0 +1,31 @@
+/*
+ * Copyright (c) 2006-2018, RT-Thread Development Team
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * Change Logs:
+ * Date           Author       Notes
+ * 2019-05-08     flaybreak    add sensor port file
+ */
+
+#include <board.h>
+
+#ifdef BSP_USING_ICM20608
+#include "sensor_inven_mpu6xxx.h"
+
+int sensor_init(void)
+{
+    struct rt_sensor_config cfg;
+
+    cfg.intf.type = RT_SENSOR_INTF_I2C;
+    cfg.intf.dev_name = "i2c3";
+    cfg.intf.user_data = (void*)MPU6XXX_ADDR_DEFAULT;
+    cfg.irq_pin.pin  = RT_PIN_NONE;
+
+    rt_hw_mpu6xxx_init("icm", &cfg);
+
+    return 0;
+}
+INIT_ENV_EXPORT(sensor_init);
+
+#endif