diff --git a/sdkconfig b/sdkconfig
index 561ef9c..8c756c7 100644
--- a/sdkconfig
+++ b/sdkconfig
@@ -37,7 +37,6 @@ CONFIG_APP_RETRIEVE_LEN_ELF_SHA=16
 #
 # Bootloader config
 #
-CONFIG_BOOTLOADER_OFFSET_IN_FLASH=0x1000
 CONFIG_BOOTLOADER_COMPILER_OPTIMIZATION_SIZE=y
 # CONFIG_BOOTLOADER_COMPILER_OPTIMIZATION_DEBUG is not set
 # CONFIG_BOOTLOADER_COMPILER_OPTIMIZATION_PERF is not set
@@ -98,7 +97,6 @@ CONFIG_ESPTOOLPY_BEFORE="default_reset"
 CONFIG_ESPTOOLPY_AFTER_RESET=y
 # CONFIG_ESPTOOLPY_AFTER_NORESET is not set
 CONFIG_ESPTOOLPY_AFTER="hard_reset"
-# CONFIG_ESPTOOLPY_MONITOR_BAUD_CONSOLE is not set
 # CONFIG_ESPTOOLPY_MONITOR_BAUD_9600B is not set
 # CONFIG_ESPTOOLPY_MONITOR_BAUD_57600B is not set
 CONFIG_ESPTOOLPY_MONITOR_BAUD_115200B=y
@@ -155,12 +153,6 @@ CONFIG_APPTRACE_DEST_NONE=y
 CONFIG_APPTRACE_LOCK_ENABLE=y
 # end of Application Level Tracing
 
-#
-# ESP-ASIO
-#
-# CONFIG_ASIO_SSL_SUPPORT is not set
-# end of ESP-ASIO
-
 #
 # Bluetooth
 #
@@ -569,9 +561,10 @@ CONFIG_ESP_IPC_USES_CALLERS_PRIORITY=y
 CONFIG_ESP_MINIMAL_SHARED_STACK_SIZE=2048
 CONFIG_ESP_CONSOLE_UART_DEFAULT=y
 # CONFIG_ESP_CONSOLE_UART_CUSTOM is not set
-# CONFIG_ESP_CONSOLE_NONE is not set
-CONFIG_ESP_CONSOLE_UART=y
+# CONFIG_ESP_CONSOLE_UART_NONE is not set
 CONFIG_ESP_CONSOLE_UART_NUM=0
+CONFIG_ESP_CONSOLE_UART_TX_GPIO=1
+CONFIG_ESP_CONSOLE_UART_RX_GPIO=3
 CONFIG_ESP_CONSOLE_UART_BAUDRATE=115200
 CONFIG_ESP_INT_WDT=y
 CONFIG_ESP_INT_WDT_TIMEOUT_MS=300
@@ -746,20 +739,16 @@ CONFIG_FATFS_PER_FILE_CACHE=y
 #
 # Modbus configuration
 #
-CONFIG_FMB_COMM_MODE_TCP_EN=y
-CONFIG_FMB_TCP_PORT_DEFAULT=502
-CONFIG_FMB_TCP_PORT_MAX_CONN=5
-CONFIG_FMB_TCP_CONNECTION_TOUT_SEC=20
 CONFIG_FMB_COMM_MODE_RTU_EN=y
 CONFIG_FMB_COMM_MODE_ASCII_EN=y
 CONFIG_FMB_MASTER_TIMEOUT_MS_RESPOND=150
 CONFIG_FMB_MASTER_DELAY_MS_CONVERT=200
 CONFIG_FMB_QUEUE_LENGTH=20
-CONFIG_FMB_PORT_TASK_STACK_SIZE=4096
+CONFIG_FMB_SERIAL_TASK_STACK_SIZE=2048
 CONFIG_FMB_SERIAL_BUF_SIZE=256
 CONFIG_FMB_SERIAL_ASCII_BITS_PER_SYMB=8
 CONFIG_FMB_SERIAL_ASCII_TIMEOUT_RESPOND_MS=1000
-CONFIG_FMB_PORT_TASK_PRIO=10
+CONFIG_FMB_SERIAL_TASK_PRIO=10
 # CONFIG_FMB_CONTROLLER_SLAVE_ID_SUPPORT is not set
 CONFIG_FMB_CONTROLLER_NOTIFY_TIMEOUT=20
 CONFIG_FMB_CONTROLLER_NOTIFY_QUEUE_SIZE=20
@@ -891,6 +880,7 @@ CONFIG_LWIP_LOOPBACK_MAX_PBUFS=8
 #
 CONFIG_LWIP_MAX_ACTIVE_TCP=16
 CONFIG_LWIP_MAX_LISTENING_TCP=16
+CONFIG_LWIP_TCP_HIGH_SPEED_RETRANSMISSION=y
 CONFIG_LWIP_TCP_MAXRTX=12
 CONFIG_LWIP_TCP_SYNMAXRTX=6
 CONFIG_LWIP_TCP_MSS=1440
@@ -923,7 +913,6 @@ CONFIG_LWIP_TCPIP_TASK_AFFINITY=0x7FFFFFFF
 # CONFIG_LWIP_PPP_SUPPORT is not set
 CONFIG_LWIP_IPV6_MEMP_NUM_ND6_QUEUE=3
 CONFIG_LWIP_IPV6_ND6_NUM_NEIGHBORS=5
-# CONFIG_LWIP_SLIP_SUPPORT is not set
 
 #
 # ICMP
@@ -946,20 +935,6 @@ CONFIG_LWIP_SNTP_UPDATE_DELAY=3600000
 # end of SNTP
 
 CONFIG_LWIP_ESP_LWIP_ASSERT=y
-
-#
-# Debug
-#
-# CONFIG_LWIP_NETIF_DEBUG is not set
-# CONFIG_LWIP_PBUF_DEBUG is not set
-# CONFIG_LWIP_ETHARP_DEBUG is not set
-# CONFIG_LWIP_API_LIB_DEBUG is not set
-# CONFIG_LWIP_SOCKETS_DEBUG is not set
-# CONFIG_LWIP_IP_DEBUG is not set
-# CONFIG_LWIP_ICMP_DEBUG is not set
-# CONFIG_LWIP_IP6_DEBUG is not set
-# CONFIG_LWIP_ICMP6_DEBUG is not set
-# end of Debug
 # end of LWIP
 
 #
@@ -1122,7 +1097,6 @@ CONFIG_NEWLIB_STDIN_LINE_ENDING_CR=y
 # OpenSSL
 #
 # CONFIG_OPENSSL_DEBUG is not set
-CONFIG_OPENSSL_ERROR_STACK=y
 # CONFIG_OPENSSL_ASSERT_DO_NOTHING is not set
 CONFIG_OPENSSL_ASSERT_EXIT=y
 # end of OpenSSL
@@ -1155,7 +1129,6 @@ CONFIG_SPI_FLASH_DANGEROUS_WRITE_ABORTS=y
 CONFIG_SPI_FLASH_YIELD_DURING_ERASE=y
 CONFIG_SPI_FLASH_ERASE_YIELD_DURATION_MS=20
 CONFIG_SPI_FLASH_ERASE_YIELD_TICKS=1
-CONFIG_SPI_FLASH_WRITE_CHUNK_SIZE=8192
 
 #
 # Auto-detect flash chips
@@ -1202,15 +1175,16 @@ CONFIG_SPIFFS_USE_MTIME=y
 # end of Debug Configuration
 # end of SPIFFS Configuration
 
-#
-# TCP Transport
-#
-CONFIG_WS_BUFFER_SIZE=1024
-# end of TCP Transport
-
 #
 # TinyUSB
 #
+
+#
+# Descriptor configuration
+#
+CONFIG_USB_DESC_CUSTOM_VID=0x1234
+CONFIG_USB_DESC_CUSTOM_PID=0x5678
+# end of Descriptor configuration
 # end of TinyUSB
 
 #
@@ -1541,9 +1515,10 @@ CONFIG_MAIN_TASK_STACK_SIZE=3584
 CONFIG_IPC_TASK_STACK_SIZE=1024
 CONFIG_CONSOLE_UART_DEFAULT=y
 # CONFIG_CONSOLE_UART_CUSTOM is not set
-# CONFIG_ESP_CONSOLE_UART_NONE is not set
-CONFIG_CONSOLE_UART=y
+# CONFIG_CONSOLE_UART_NONE is not set
 CONFIG_CONSOLE_UART_NUM=0
+CONFIG_CONSOLE_UART_TX_GPIO=1
+CONFIG_CONSOLE_UART_RX_GPIO=3
 CONFIG_CONSOLE_UART_BAUDRATE=115200
 CONFIG_INT_WDT=y
 CONFIG_INT_WDT_TIMEOUT_MS=300
@@ -1565,7 +1540,7 @@ CONFIG_TIMER_TASK_STACK_SIZE=3584
 CONFIG_MB_MASTER_TIMEOUT_MS_RESPOND=150
 CONFIG_MB_MASTER_DELAY_MS_CONVERT=200
 CONFIG_MB_QUEUE_LENGTH=20
-CONFIG_MB_SERIAL_TASK_STACK_SIZE=4096
+CONFIG_MB_SERIAL_TASK_STACK_SIZE=2048
 CONFIG_MB_SERIAL_BUF_SIZE=256
 CONFIG_MB_SERIAL_TASK_PRIO=10
 # CONFIG_MB_CONTROLLER_SLAVE_ID_SUPPORT is not set