diff --git a/.vscode/settings.json b/.vscode/settings.json
index 041f48e8..a9e1b192 100644
--- a/.vscode/settings.json
+++ b/.vscode/settings.json
@@ -85,6 +85,7 @@
     "system_error": "c",
     "new": "c",
     "assert.h": "c",
-    "iosfwd": "c"
+    "iosfwd": "c",
+    "common.h": "c"
   }
 }
\ No newline at end of file
diff --git a/Sconstruct b/Sconstruct
index a9fb1de4..0bfbd4d5 100644
--- a/Sconstruct
+++ b/Sconstruct
@@ -11,26 +11,27 @@ import sys
 plt = platform.system()
 
 # board select platform,选择你要编译的平台
-platform='pc'
+# platform='pc'
 # platform='v3s'
-# platform='raspi2'
+platform='raspi2'
 # platform='esp32'
 # platform='stm32f4xx'
-
+# platform='raspi3'
 
 # gcc path,这里是gcc路径配置
 cc_path=''# 'D:\\app\\gcc\\bin\\'
 cc_prefix='i386-elf-'
-cc_lib_path='/opt/local/lib/gcc/i386-elf/9.2.0/' # D:\\app\\gcc\\lib\\gcc\\i686-elf\\7.1.0\\ D:\\Program Files\\gcc-arm-none-eabi-9\\lib\\gcc\\arm-none-eabi\\9.2.1\\  /opt/local/lib/gcc/arm-none-eabi/9.2.0/ /lib/gcc/arm-none-eabi/9.2.1/
+cc_lib_path='D:\\Program Files\\gcc-arm-none-eabi-9\\lib\\gcc\\arm-none-eabi\\9.2.1\\' #/opt/local/lib/gcc/i386-elf/9.2.0/ D:\\app\\gcc\\lib\\gcc\\i686-elf\\7.1.0\\ D:\\Program Files\\gcc-arm-none-eabi-9\\lib\\gcc\\arm-none-eabi\\9.2.1\\  /opt/local/lib/gcc/arm-none-eabi/9.2.0/ /lib/gcc/arm-none-eabi/9.2.1/
 
 
 # default libc 默认libc 选择
 default_libc='libc'# libmusl libc
 
 supports_archs={
-    'arm': ['armv5','armv6','armv7','armv7-a'],
+    'arm': ['armv5','armv6','armv7','armv7-a','armv8-a'],
     'x86': ['x86','x86_64'],
-    'xtensa':  ['lx6']
+    'xtensa':  ['lx6'],
+    'riscv':['riscv']
 }
 
 support_platform={
@@ -38,7 +39,8 @@ support_platform={
     'pc':'x86',
     'raspi2':'armv7-a',
     'esp32':'xl6',
-    'v3s':'armv7-a'
+    'v3s':'armv7-a',
+    'raspi3':'armv8-a'
 }