diff --git a/apps/boot/application/func/firmware.c b/apps/boot/application/func/firmware.c
index fe41d04..5541197 100644
--- a/apps/boot/application/func/firmware.c
+++ b/apps/boot/application/func/firmware.c
@@ -56,6 +56,7 @@ void FM_Init (void)
   #endif
 #endif
 
+#if 0
 	printf("onchip size : 0x%lX\r\n", SIZE_ONCHIP_FLASH);
 	printf("0x%08lX+0x%lX 'parameters'.\r\n", BASE_PARAMETERS, SIZE_PART_PARAMETERS);
 	printf("0x%08X+0x%X 'app'.\r\n", _flash_app_part.addr, _flash_app_part.len);
@@ -65,6 +66,7 @@ void FM_Init (void)
 	printf("0x%08X+0x%X 'factory'.\r\n", _flash_factory_part.addr, _flash_app_part.len);
   #endif
 #endif
+#endif
 
 #if (CONFIG_DECRYPT)
 	AES_init_ctx_iv(&aesCtx, (uint8_t *)AES256_KEY, (uint8_t *)AES256_IV);
diff --git a/apps/boot/application/main.c b/apps/boot/application/main.c
index 6082407..5304dbe 100644
--- a/apps/boot/application/main.c
+++ b/apps/boot/application/main.c
@@ -168,7 +168,7 @@ int main (void)
 	MX_GPIO_Init();
 	MX_DMA_Init();
 	MX_USART_Init();
-
+#if 0
 	printf("\r\n\r\n========================================\r\n");
 	printf("\t%s boot V%d.%d.%d\r\n", NAME_CHIP,
 		VERSION_MAIN, VERSION_SUB, VERSION_FIX);
@@ -176,7 +176,10 @@ int main (void)
 	printf("Chip UID: %08X - %08X - %08X\r\n", 
 		HAL_GetUIDw0(), HAL_GetUIDw1(), HAL_GetUIDw2());
 	printf("========================================\r\n");
-
+#else
+	printf("\tboot V%d.%d.%d built @ %s\r\n", 
+		VERSION_MAIN, VERSION_SUB, VERSION_FIX, BUILD_TIMESTAMP);
+#endif
 	APP_Init();
 
 	while (1) {
diff --git a/apps/chrg/applications/bsp/chrg_vcom.c b/apps/chrg/applications/bsp/chrg_vcom.c
index c4a974b..34e85bd 100644
--- a/apps/chrg/applications/bsp/chrg_vcom.c
+++ b/apps/chrg/applications/bsp/chrg_vcom.c
@@ -3,6 +3,8 @@
 #include <board.h>
 
 #include "chrg_vcom.h"
+#include "chrg_lcd.h"
+
 
 #define DBG_TAG "chrg.vcom"
 #include <rtdbg.h>
@@ -34,6 +36,8 @@ int chrg_vcom_console_init (void)
 {
 	rt_console_set_device(DEV_NAME_VCOM);
 
+	chrg_lcd_init();
+
 	return 0;
 }
 
diff --git a/apps/chrg/applications/main.c b/apps/chrg/applications/main.c
index dd3f21c..b825a15 100644
--- a/apps/chrg/applications/main.c
+++ b/apps/chrg/applications/main.c
@@ -7,11 +7,11 @@
 #include <string.h>
 
 #include "shell.h"
-#include "main.h"
 #include "chrg_wdt.h"
 
 void show_app_version (void)
 {
+#if 0
 	rt_kprintf("\r\n\r\n================================================\r\n");
 	rt_kprintf("\tcharger control via RT-Thread v%d.%d.%d\r\n", 
 		RT_VERSION_MAJOR, RT_VERSION_MINOR, RT_VERSION_PATCH);
@@ -19,6 +19,10 @@ void show_app_version (void)
 	rt_kprintf("\tUID: %08X %08X %08X\r\n", 
 		HAL_GetUIDw2(), HAL_GetUIDw1(), HAL_GetUIDw0());
 	rt_kprintf("================================================\r\n");
+#else
+	rt_kprintf("\tcharger control via RT-Thread v%d.%d.%d built @ %s, %s\r\n", 
+		RT_VERSION_MAJOR, RT_VERSION_MINOR, RT_VERSION_PATCH, __DATE__, __TIME__);
+#endif
 }
 
 int main(void)
diff --git a/apps/chrg/applications/main.h b/apps/chrg/applications/main.h
deleted file mode 100644
index a6d6dfc..0000000
--- a/apps/chrg/applications/main.h
+++ /dev/null
@@ -1,8 +0,0 @@
-#ifndef __MAIN_H__
-#define __MAIN_H__
-
-#include <rtthread.h>
-
-
-#endif
-
diff --git a/apps/chrg/applications/thread/chrg_lcd.c b/apps/chrg/applications/thread/chrg_lcd.c
index 3b7b08a..277f95d 100644
--- a/apps/chrg/applications/thread/chrg_lcd.c
+++ b/apps/chrg/applications/thread/chrg_lcd.c
@@ -1,4 +1,155 @@
+#include <string.h>
+#include <rtthread.h>
+
+#include "chrg_roll.h"
+#include "chrg_north.h"
+#include "chrg_south.h"
 
 #include "chrg_lcd.h"
 
+#define LOG_TAG "chrg.lcd"
+#define DBG_LEVEL        DBG_LOG
+#include <rtdbg.h>
+
+struct chrg_lcd_t chrglcd = {
+	.name = THR_NAME_LCD,
+	.devname = DEV_NAME_LCD,
+	.tid = RT_NULL,
+	.tty = RT_NULL,
+
+};
+
+
+static int chrg_lcd_parse (char *recv)
+{
+
+	if (strstr(recv, "main.CH1_RunStop.txt")) {
+		if (strstr(recv, "run")) {
+			chrgroll.en_nor[IDX_CH_0] = 1;
+		} else if (strstr(recv, "stop")) {
+			chrgroll.en_nor[IDX_CH_0] = 0;
+		}
+
+// ...
+
+	}
+
+	return 0;
+}
+
+
+int chrg_lcd_send (char *cmd)
+{
+	rt_ssize_t ret = -1;
+	struct chrg_tty_t *pTTY = chrglcd.tty;
+	if (RT_NULL == cmd) {
+		return -1;
+	}
+
+	int len = strlen(cmd);
+	rt_uint8_t *data = rt_malloc(len+3); 
+	if (RT_NULL == data) {
+		LOG_E("malloc failed.");
+		return -1;
+	}
+
+	memcpy(data, cmd, len);
+	memset(&data[len], 0xFF, 3);
+
+	if (RT_NULL != pTTY) {
+		ret = chrg_tty_send(pTTY, data, len+3);
+	}
+
+	if (RT_NULL != data) {
+		rt_free(data);
+		data = RT_NULL;
+	}	
+
+	return ret;
+}
+
+static void chrg_lcd_thread_entry (void *data)
+{
+	struct chrg_lcd_t *pLCD = (struct chrg_lcd_t *)data;
+
+	if ((RT_NULL == pLCD)||(RT_NULL == pLCD->tty)) {
+		return ;
+	}
+
+	int len = 0;
+	struct chrg_tty_t *pTTY = pLCD->tty;
+
+    chrg_tty_set_recv_tmo(pTTY, 100);
+    if (chrg_tty_connect(pTTY) != RT_EOK) {
+        chrg_tty_destory(pTTY);
+        return;
+    }
+
+	while (1) {
+        len = chrg_tty_recv(pTTY, pLCD->rx_buf, sizeof(pLCD->rx_buf));
+		if (len <= 0) {
+			rt_thread_mdelay(1);
+			continue;
+		}
+
+		rt_kprintf("%s\r\n", (char *)pLCD->rx_buf);
+
+		chrg_lcd_parse((char *)pLCD->rx_buf);
+	}
+
+}
+
+int chrg_lcd_init (void)
+{
+	rt_err_t ret;
+	struct chrg_lcd_t *pLCD = &chrglcd;
+
+	pLCD->tty = chrg_tty_create(pLCD->devname, 115200, 0, -1, 1);
+	if (RT_NULL == pLCD->tty) {
+		LOG_E("tty can't create.");
+		return -1;
+	}
+
+	rt_memset(pLCD->rx_buf, 0, SIZE_BUF_TTY);
+
+	ret = rt_mutex_init(&pLCD->lock, pLCD->name, RT_IPC_FLAG_FIFO);
+	if (ret != RT_EOK) {
+		LOG_E("init mutex '%s' failed.", pLCD->name);
+		return ret;
+	}
+
+	pLCD->tid = rt_thread_create(pLCD->name, chrg_lcd_thread_entry, pLCD, 4096, 
+		RT_MAIN_THREAD_PRIORITY, 20);
+	if (RT_NULL != pLCD->tid) {
+		rt_thread_startup(pLCD->tid);
+	} else {
+		LOG_E("create thread '%s' failed.", pLCD->name);
+	}
+
+	return 0;
+}
+
+
+//INIT_APP_EXPORT(chrg_lcd_init);
+
+#if 1
+static int lcdsend(rt_uint8_t argc, char **argv)
+{
+	if (2 != argc) {
+		rt_kprintf("help : %s <cmd>\r\n e.g. %s main.CH1_Volt_Show.txt=\"5.000\"", 
+			argv[0], argv[0]);
+		return -1;
+	}
+
+	chrg_lcd_send(argv[1]);
+
+	return 0;
+}
+
+
+MSH_CMD_EXPORT(lcdsend, lcd send test);
+#endif
+
+
+
 
diff --git a/apps/chrg/applications/thread/chrg_lcd.h b/apps/chrg/applications/thread/chrg_lcd.h
index 856043f..0f5738c 100644
--- a/apps/chrg/applications/thread/chrg_lcd.h
+++ b/apps/chrg/applications/thread/chrg_lcd.h
@@ -1,6 +1,29 @@
 #ifndef __CHRG_LCD_H__
 #define __CHRG_LCD_H__
 
+#include <rtthread.h>
+
+#include "chrg_tty.h"
+
+#define THR_NAME_LCD		"thr.lcd"
+#define DEV_NAME_LCD		"uart2"
+
+struct chrg_lcd_t {
+	const char			*name;
+	const char			*devname;
+	struct rt_thread	*tid;
+	struct rt_mutex		lock;
+
+	struct chrg_tty_t 	*tty;
+	rt_uint8_t			rx_buf[SIZE_BUF_TTY];
+
+};
+
+extern struct chrg_lcd_t chrglcd;
+
+extern int chrg_lcd_send (char *cmd);
+
+extern int chrg_lcd_init (void);
 
 #endif
 
diff --git a/apps/chrg/applications/thread/chrg_roll.c b/apps/chrg/applications/thread/chrg_roll.c
index 80f4d61..4ccd311 100644
--- a/apps/chrg/applications/thread/chrg_roll.c
+++ b/apps/chrg/applications/thread/chrg_roll.c
@@ -76,7 +76,7 @@ static void chrg_roll_thread_entry (void *data)
 					sink_get_vc(pSW->sink.loadv, pSW->sink.loadc);
 				}
 
-				rt_kprintf("Nor[%d].%d\r\n", pNOR->idx, pSW->id);
+				//rt_kprintf("Nor[%d].%d\r\n", pNOR->idx, pSW->id);
 			}
 		} else {
 			sou_idx = pROLL->idx - TOTAL_CHS;
@@ -89,11 +89,11 @@ static void chrg_roll_thread_entry (void *data)
 				chrg_switch_south(pSOU->idx);
 
 				pSW = &pSOU->sw[pSOU->idx];
-				// todo pkg send
 				if (ID_ELOAD == pSW->id) {
 					source_get_vc(pSW->source.voltage, pSW->source.current);
+					// change pro modbus
 				}
-				rt_kprintf("Sou[%d].%d\r\n", pSOU->idx, pSW->id);
+				//rt_kprintf("Sou[%d].%d\r\n", pSOU->idx, pSW->id);
 			}
 		}
 
diff --git a/apps/chrg/applications/thread/chrg_south.c b/apps/chrg/applications/thread/chrg_south.c
index 56f3435..7ae321d 100644
--- a/apps/chrg/applications/thread/chrg_south.c
+++ b/apps/chrg/applications/thread/chrg_south.c
@@ -83,7 +83,7 @@ static int chrg_south_init (void)
 	rt_err_t ret;
 	struct chrg_south_t *pSOU = &chrgsouth;
 
-	pSOU->tty = chrg_tty_create(pSOU->devname, 2000000, 0, -1, 1);
+	pSOU->tty = chrg_tty_create(pSOU->devname, 115200, 0, -1, 1);
 	if (RT_NULL == pSOU->tty) {
 		LOG_E("tty can't create.");
 		return -1;
@@ -111,10 +111,11 @@ static int chrg_south_init (void)
 
 INIT_APP_EXPORT(chrg_south_init);
 
-#if 0
+#if 1
 static int south_send(rt_uint8_t argc, char **argv)
 {
-	return chrg_south_send("1234567890abcdef", 16);
+	return source_get_vc(5000, 1000);
+	//return chrg_south_send("1234567890abcdef", 16);
 }
 
 
diff --git a/apps/chrg/applications/utils/chrg_pkg.c b/apps/chrg/applications/utils/chrg_pkg.c
index e07498c..ae9a84f 100644
--- a/apps/chrg/applications/utils/chrg_pkg.c
+++ b/apps/chrg/applications/utils/chrg_pkg.c
@@ -2,6 +2,8 @@
 #include <string.h>
 #include <rtthread.h>
 
+#include "chrg_north.h"
+#include "chrg_south.h"
 #include "chrg_pkg.h"
 #include "chrg_utils.h"
 
@@ -38,10 +40,10 @@ int chrg_pkg_send (eIDX_TTY idx, rt_uint8_t *data, rt_uint16_t len)
 
 	switch (idx) {
 	case IDX_TTY_NORTH:
-//		pTTY = chrgnorth.tty;
+		pTTY = chrgnorth.tty;
 	break;
 	case IDX_TTY_SOUTH:
-//		pTTY = chrgsouth.tty;
+		pTTY = chrgsouth.tty;
 	break;
 	default:
 		return -1;
diff --git a/docs/1.HMI b/docs/1.HMI
index 58f0285..4274306 100644
Binary files a/docs/1.HMI and b/docs/1.HMI differ