diff --git a/bsp/bl602/README.md b/bsp/bl602/README.md
index 58cf56b91..c0d05902c 100644
--- a/bsp/bl602/README.md
+++ b/bsp/bl602/README.md
@@ -9,13 +9,62 @@
 2. Install SDK:
     > https://blog.csdn.net/Boantong_/article/details/125604649?ops_request_misc=%257B%2522request%255Fid%2522%253A%2522166617877716800182741996%2522%252C%2522scm%2522%253A%252220140713.130102334.pc%255Fblog.%2522%257D&request_id=166617877716800182741996&biz_id=0&utm_medium=distribute.pc_search_result.none-task-blog-2~blog~first_rank_ecpm_v1~rank_v31_ecpm-3-125604649-null-null.nonecase&utm_term=wb2&spm=1018.2226.3001.4450
 
-3. Move this bsp to SDK folder and make.
+3. 
 
 ``` bash
-mv pikascript_bl602 Ai-Thinker-Wb2/
+mv pikascript_bl602 Ai-Thinker-Wb2
 cd Ai-Thinker-Wb2/pikascript_bl602
 sh make.sh
 ```
 
 # How to Flash
 > https://blog.csdn.net/Boantong_/article/details/125781602?ops_request_misc=%257B%2522request%255Fid%2522%253A%2522166617877716800182741996%2522%252C%2522scm%2522%253A%252220140713.130102334.pc%255Fblog.%2522%257D&request_id=166617877716800182741996&biz_id=0&utm_medium=distribute.pc_search_result.none-task-blog-2~blog~first_rank_ecpm_v1~rank_v31_ecpm-1-125781602-null-null.nonecase&utm_term=wb2&spm=1018.2226.3001.4450
+
+# IIC
+
+``` c
+    pika_dev* iic = pika_hal_open(PIKA_HAL_IIC, "IIC3");
+    pika_hal_IIC_config iic_cfg = {0};
+    iic_cfg.slave_addr = 0x12;
+    iic_cfg.mem_addr_ena = PIKA_HAL_IIC_MEM_ADDR_ENA_ENABLE;
+    iic_cfg.mem_addr = 0x00;
+    iic_cfg.speed = 400000;
+    uint32_t err = 0;
+    pika_hal_ioctl(iic, PIKA_HAL_IOCTL_CONFIG, &iic_cfg);
+    pika_hal_ioctl(iic, PIKA_HAL_IOCTL_ENABLE, NULL);
+    uint8_t res = 0;
+    err = pika_hal_read(iic, &res, 1);
+    if (0 != err) {
+        printf("read error, err=%d\r\n", err);
+    }
+    printf("IIC3 read reg=%02x, res=%02x\r\n", iic_cfg.mem_addr, res);
+```
+
+log:
+```
+======[pikascript packages installed]======
+pikascript-core==v1.11.7 (2022/11/19 19:43:26)
+PikaStdDevice==latest
+PikaStdLib==v1.11.7
+===========================================
+hello pikascript
+IIC: Open IIC3 on SCL:P12, SDA:P11
+IIC: Config IIC0, speed:400000, address_width:0,master_or_slave: 1
+IIC: Enable IIC0 on SCL:P12, SDA:P11
+IIC: Read 1 bytes from 0x12
+IIC: Read 1 bytes from 0x12, mem_addr:0x00
+IIC3 read reg=00, res=e7
+>>> [ Info] In PikaSciprt Demo...
+======[pikascript packages installed]======
+pikascript-core==v1.11.7 (2022/11/19 19:43:26)
+PikaStdDevice==latest
+PikaStdLib==v1.11.7
+===========================================
+hello pikascript
+IIC: Open IIC3 on SCL:P12, SDA:P11
+IIC: Config IIC0, speed:400000, address_width:0,master_or_slave: 1
+IIC: Enable IIC0 on SCL:P12, SDA:P11
+IIC: Read 1 bytes from 0x12
+IIC: Read 1 bytes from 0x12, mem_addr:0x00
+IIC3 read reg=00, res=e7
+```
diff --git a/bsp/bl602/boot/main.c b/bsp/bl602/boot/main.c
index 9d159996a..5b7c04c26 100644
--- a/bsp/bl602/boot/main.c
+++ b/bsp/bl602/boot/main.c
@@ -2,10 +2,11 @@
 #include <aos/yloop.h>
 #include <bl_gpio.h>
 #include <cli.h>
+#include <hosal_uart.h>
 #include <stdio.h>
 #include <task.h>
 #include <vfs.h>
-#include "hosal_uart.h"
+#include "../pikascript/pikascript-lib/PikaStdDevice/pika_hal.h"
 #include "pikaScript.h"
 
 volatile PikaObj* root = NULL;
@@ -50,7 +51,7 @@ long __platform_ftell(FILE* stream) {
 }
 
 void main(void) {
-    bl_gpio_enable_input(4, 0, 0);
+    bl_gpio_enable_output(4, 0, 0);
     bl_gpio_output_set(4, false);
     printf("[ Info] In PikaSciprt Demo...\r\n");
     root = pikaScriptInit();
diff --git a/bsp/bl602/boot/pika_config.h b/bsp/bl602/boot/pika_config.h
index 5f39c9446..f8c596643 100644
--- a/bsp/bl602/boot/pika_config.h
+++ b/bsp/bl602/boot/pika_config.h
@@ -2,3 +2,4 @@
 #define PIKA_OPTIMIZE PIKA_OPTIMIZE_SPEED
 #define PIKA_SHELL_SAVE_FILE_ENABLE 1
 #define PIKA_SHELL_SAVE_FILE_NAME "/lfs/boot.py"
+#define PIKA_DEBUG_ENABLE 1
diff --git a/bsp/bl602/make.sh b/bsp/bl602/make.sh
index a28a4be75..85c898633 100644
--- a/bsp/bl602/make.sh
+++ b/bsp/bl602/make.sh
@@ -1,3 +1,4 @@
+clear
 rm /mnt/d/pikascript_bl602.bin
 cd pikascript && wine rust-msc-latest-win10.exe
 cd -
diff --git a/bsp/bl602/pikascript/bouffalo.mk b/bsp/bl602/pikascript/bouffalo.mk
index 3f0431034..fae696386 100644
--- a/bsp/bl602/pikascript/bouffalo.mk
+++ b/bsp/bl602/pikascript/bouffalo.mk
@@ -10,5 +10,9 @@ COMPONENT_OBJS := $(patsubst %.c,%.o, $(COMPONENT_SRCS))
 
 COMPONENT_SRCDIRS := pikascript-core \
 					 pikascript-api \
-					 pikascript-lib/pika_lvgl \
+					 pikascript-lib/BLIOT \
+					 pikascript-lib/PikaStdDevice \
 					 pikascript-lib/PikaStdLib
+
+COMPONENT_ADD_LDFLAGS_HEAD = -Wl,--whole-archive
+COMPONENT_ADD_LDFLAGS_TAIL = -Wl,--no-whole-archive
diff --git a/bsp/bl602/pikascript/main.py b/bsp/bl602/pikascript/main.py
index 6ebf63e78..3ec23b567 100644
--- a/bsp/bl602/pikascript/main.py
+++ b/bsp/bl602/pikascript/main.py
@@ -1,3 +1,9 @@
 import PikaStdLib
+import PikaStdDevice as std
 print('hello pikascript')
 mem = PikaStdLib.MemChecker()
+
+dac = std.DAC()
+dac.setPin('P14')
+dac.enable()
+dac.write(1.3)
diff --git a/bsp/bl602/pikascript/requestment.txt b/bsp/bl602/pikascript/requestment.txt
index 5aad27417..0e6dc9a79 100644
--- a/bsp/bl602/pikascript/requestment.txt
+++ b/bsp/bl602/pikascript/requestment.txt
@@ -1,2 +1,4 @@
 pikascript-core==v1.11.7
-PikaStdLib==v1.11.7
\ No newline at end of file
+PikaStdLib==v1.11.7
+PikaStdDevice==v2.1.1
+BLIOT==v0.2.0
\ No newline at end of file
diff --git a/bsp/stm32h750vb/pikascript/requestment.txt b/bsp/stm32h750vb/pikascript/requestment.txt
index f7301addb..5aad27417 100644
--- a/bsp/stm32h750vb/pikascript/requestment.txt
+++ b/bsp/stm32h750vb/pikascript/requestment.txt
@@ -1,2 +1,2 @@
 pikascript-core==v1.11.7
-PikaStdLib==v1.11.7
+PikaStdLib==v1.11.7
\ No newline at end of file