diff --git a/bsp/ls1cdev/.config b/bsp/ls1cdev/.config
index e851e39127..91f9c2f0c3 100644
--- a/bsp/ls1cdev/.config
+++ b/bsp/ls1cdev/.config
@@ -82,6 +82,7 @@ CONFIG_FINSH_CMD_SIZE=80
 CONFIG_FINSH_USING_MSH=y
 CONFIG_FINSH_USING_MSH_DEFAULT=y
 # CONFIG_FINSH_USING_MSH_ONLY is not set
+CONFIG_FINSH_ARG_MAX=10
 
 #
 # Device virtual file system
@@ -128,6 +129,7 @@ CONFIG_RT_CAN_USING_HDR=y
 CONFIG_RT_USING_I2C=y
 CONFIG_RT_USING_I2C_BITOPS=y
 CONFIG_RT_USING_PIN=y
+# CONFIG_RT_USING_PWM is not set
 # CONFIG_RT_USING_MTD_NOR is not set
 # CONFIG_RT_USING_MTD_NAND is not set
 # CONFIG_RT_USING_RTC is not set
@@ -141,6 +143,7 @@ CONFIG_RT_USING_SPI_MSD=y
 # CONFIG_RT_USING_SPI_WIFI is not set
 # CONFIG_RT_USING_WDT is not set
 # CONFIG_RT_USING_WIFI is not set
+# CONFIG_RT_USING_AUDIO is not set
 
 #
 # Using USB
@@ -154,7 +157,6 @@ CONFIG_RT_USING_SPI_MSD=y
 CONFIG_RT_USING_LIBC=y
 CONFIG_RT_USING_PTHREADS=y
 # CONFIG_RT_USING_POSIX is not set
-# CONFIG_HAVE_SYS_SIGNALS is not set
 
 #
 # Network stack
@@ -195,6 +197,8 @@ CONFIG_RT_LWIP_TCP_WND=2048
 CONFIG_RT_LWIP_TCPTHREAD_PRIORITY=12
 CONFIG_RT_LWIP_TCPTHREAD_MBOX_SIZE=8
 CONFIG_RT_LWIP_TCPTHREAD_STACKSIZE=4096
+# CONFIG_LWIP_NO_RX_THREAD is not set
+# CONFIG_LWIP_NO_TX_THREAD is not set
 CONFIG_RT_LWIP_ETHTHREAD_PRIORITY=14
 CONFIG_RT_LWIP_ETHTHREAD_STACKSIZE=512
 CONFIG_RT_LWIP_ETHTHREAD_MBOX_SIZE=8
@@ -228,6 +232,19 @@ CONFIG_LWIP_NETIF_LOOPBACK=0
 # RT-Thread online packages
 #
 
+#
+# system packages
+#
+
+#
+# RT-Thread GUI Engine
+#
+# CONFIG_PKG_USING_GUIENGINE is not set
+# CONFIG_PKG_USING_LWEXT4 is not set
+# CONFIG_PKG_USING_PARTITION is not set
+# CONFIG_PKG_USING_SQLITE is not set
+# CONFIG_PKG_USING_RTI is not set
+
 #
 # IoT - internet of things
 #
@@ -257,7 +274,6 @@ CONFIG_LWIP_NETIF_LOOPBACK=0
 # CONFIG_PKG_USING_COAP is not set
 # CONFIG_PKG_USING_NOPOLL is not set
 # CONFIG_PKG_USING_NETUTILS is not set
-# CONFIG_PKG_USING_ONENET is not set
 
 #
 # security packages
@@ -276,37 +292,15 @@ CONFIG_LWIP_NETIF_LOOPBACK=0
 # multimedia packages
 #
 # CONFIG_PKG_USING_OPENMV is not set
-# CONFIG_PKG_USING_MUPDF is not set
 
 #
 # tools packages
 #
 # CONFIG_PKG_USING_CMBACKTRACE is not set
-# CONFIG_PKG_USING_EASYFLASH is not set
 # CONFIG_PKG_USING_EASYLOGGER is not set
 # CONFIG_PKG_USING_SYSTEMVIEW is not set
 # CONFIG_PKG_USING_IPERF is not set
 
-#
-# system packages
-#
-
-#
-# RT-Thread GUI Engine
-#
-# CONFIG_PKG_USING_GUIENGINE is not set
-# CONFIG_PKG_USING_LWEXT4 is not set
-# CONFIG_PKG_USING_PARTITION is not set
-# CONFIG_PKG_USING_SQLITE is not set
-# CONFIG_PKG_USING_RTI is not set
-# CONFIG_PKG_USING_LITTLEVGL2RTT is not set
-
-#
-# peripheral libraries and drivers
-#
-# CONFIG_PKG_USING_STM32F4_HAL is not set
-# CONFIG_PKG_USING_STM32F4_DRIVERS is not set
-
 #
 # miscellaneous packages
 #
@@ -314,12 +308,6 @@ CONFIG_LWIP_NETIF_LOOPBACK=0
 # CONFIG_PKG_USING_MINILZO is not set
 # CONFIG_PKG_USING_QUICKLZ is not set
 # CONFIG_PKG_USING_MULTIBUTTON is not set
-# CONFIG_PKG_USING_CANFESTIVAL is not set
-
-#
-# sample package
-#
-# CONFIG_PKG_USING_SAMPLES is not set
 
 #
 # example package: hello
@@ -329,7 +317,7 @@ CONFIG_LWIP_NETIF_LOOPBACK=0
 CONFIG_RT_USING_UART2=y
 CONFIG_RT_UART_RX_BUFFER_SIZE=64
 CONFIG_RT_USING_GMAC_INT_MODE=y
-CONFIG_RT_USING_FPU=y
+# CONFIG_RT_USING_FPU is not set
 CONFIG_RT_USING_SPI0=y
 CONFIG_RT_USING_SPI1=y
 CONFIG_RT_USING_I2C1=y
diff --git a/bsp/ls1cdev/SConstruct b/bsp/ls1cdev/SConstruct
index 3096becfc7..a2f2cae178 100644
--- a/bsp/ls1cdev/SConstruct
+++ b/bsp/ls1cdev/SConstruct
@@ -33,6 +33,11 @@ else:
 	rtconfig.LFLAGS += " -Ttext 0x80200000"    
 env.Replace(LINKFLAGS = rtconfig.LFLAGS)
 
+if GetDepend('RT_USING_FPU'):
+    env['CCFLAGS']   = env['CCFLAGS'].replace('-msoft-float', '-mhard-float')
+    env['ASFLAGS']   = env['ASFLAGS'].replace('-msoft-float', '-mhard-float')
+    env['CXXFLAGS']  = env['CXXFLAGS'].replace('-msoft-float', '-mhard-float')
+    env['LINKFLAGS'] = env['LINKFLAGS'].replace('-msoft-float', '-mhard-float')
     
 if GetDepend('RT_USING_RTGUI'):
     objs = objs + SConscript(RTT_ROOT + '/examples/gui/SConscript', variant_dir='build/examples/gui', duplicate=0)
diff --git a/bsp/ls1cdev/rtconfig.h b/bsp/ls1cdev/rtconfig.h
index 18aa303c4b..7562dd00d3 100644
--- a/bsp/ls1cdev/rtconfig.h
+++ b/bsp/ls1cdev/rtconfig.h
@@ -63,6 +63,7 @@
 #define FINSH_CMD_SIZE 80
 #define FINSH_USING_MSH
 #define FINSH_USING_MSH_DEFAULT
+#define FINSH_ARG_MAX 10
 
 /* Device virtual file system */
 
@@ -156,6 +157,11 @@
 
 /* RT-Thread online packages */
 
+/* system packages */
+
+/* RT-Thread GUI Engine */
+
+
 /* IoT - internet of things */
 
 
@@ -179,26 +185,14 @@
 /* tools packages */
 
 
-/* system packages */
-
-/* RT-Thread GUI Engine */
-
-
-/* peripheral libraries and drivers */
-
-
 /* miscellaneous packages */
 
 
-/* sample package */
-
-
 /* example package: hello */
 
 #define RT_USING_UART2
 #define RT_UART_RX_BUFFER_SIZE 64
 #define RT_USING_GMAC_INT_MODE
-#define RT_USING_FPU
 #define RT_USING_SPI0
 #define RT_USING_SPI1
 #define RT_USING_I2C1
diff --git a/bsp/ls1cdev/rtconfig.py b/bsp/ls1cdev/rtconfig.py
index 4bf85c0993..6420cc45bb 100644
--- a/bsp/ls1cdev/rtconfig.py
+++ b/bsp/ls1cdev/rtconfig.py
@@ -39,7 +39,7 @@ OBJDUMP = PREFIX + 'objdump'
 OBJCPY = PREFIX + 'objcopy'
 READELF = PREFIX + 'readelf'
 
-DEVICE = ' -mips32'
+DEVICE = ' -mips32 -msoft-float -mfp32'
 CFLAGS = DEVICE + ' -EL -G0 -mno-abicalls -fno-pic -fno-builtin -fno-exceptions -ffunction-sections -fomit-frame-pointer'
 AFLAGS = ' -c' + DEVICE + ' -EL -fno-pic -fno-builtin -mno-abicalls -x assembler-with-cpp -DSYSTEM_STACK=0x80003fe8'
 LFLAGS = DEVICE + ' -nostartfiles -EL -Wl,--gc-sections,-Map=rtthread.map,-cref,-u,Reset_Handler -T ls1c_ram.lds'