diff --git a/HowToCompile.txt b/HowToCompile.txt
index f80c107..91d1ed2 100644
--- a/HowToCompile.txt
+++ b/HowToCompile.txt
@@ -11,11 +11,11 @@ export SDK_CODE=0x3516E200
 ```
 make \
 PATH="/home/home/src/openipc/output/per-package/hisilicon-opensdk/host/bin:/home/home/src/openipc/output/per-package/hisilicon-opensdk/host/sbin:/home/home/.local/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/games:/usr/local/games:/snap/bin:/snap/bin" AR="/home/home/src/openipc/output/per-package/hisilicon-opensdk/host/bin/arm-openipc-linux-musleabi-gcc-ar" AS="/home/home/src/openipc/output/per-package/hisilicon-opensdk/host/bin/arm-openipc-linux-musleabi-as" LD="/home/home/src/openipc/output/per-package/hisilicon-opensdk/host/bin/arm-openipc-linux-musleabi-ld" NM="/home/home/src/openipc/output/per-package/hisilicon-opensdk/host/bin/arm-openipc-linux-musleabi-gcc-nm" CC="/home/home/src/openipc/output/per-package/hisilicon-opensdk/host/bin/arm-openipc-linux-musleabi-gcc" GCC="/home/home/src/openipc/output/per-package/hisilicon-opensdk/host/bin/arm-openipc-linux-musleabi-gcc" CPP="/home/home/src/openipc/output/per-package/hisilicon-opensdk/host/bin/arm-openipc-linux-musleabi-cpp" CXX="/home/home/src/openipc/output/per-package/hisilicon-opensdk/host/bin/arm-openipc-linux-musleabi-g++" FC="/home/home/src/openipc/output/per-package/hisilicon-opensdk/host/bin/arm-openipc-linux-musleabi-gfortran" F77="/home/home/src/openipc/output/per-package/hisilicon-opensdk/host/bin/arm-openipc-linux-musleabi-gfortran" RANLIB="/home/home/src/openipc/output/per-package/hisilicon-opensdk/host/bin/arm-openipc-linux-musleabi-gcc-ranlib" READELF="/home/home/src/openipc/output/per-package/hisilicon-opensdk/host/bin/arm-openipc-linux-musleabi-readelf" STRIP="/home/home/src/openipc/output/per-package/hisilicon-opensdk/host/bin/arm-openipc-linux-musleabi-strip" OBJCOPY="/home/home/src/openipc/output/per-package/hisilicon-opensdk/host/bin/arm-openipc-linux-musleabi-objcopy" OBJDUMP="/home/home/src/openipc/output/per-package/hisilicon-opensdk/host/bin/arm-openipc-linux-musleabi-objdump" AR_FOR_BUILD="/usr/bin/ar" AS_FOR_BUILD="/usr/bin/as" CC_FOR_BUILD="/home/home/src/openipc/output/per-package/hisilicon-opensdk/host/bin/ccache /usr/bin/gcc" GCC_FOR_BUILD="/home/home/src/openipc/output/per-package/hisilicon-opensdk/host/bin/ccache /usr/bin/gcc" CXX_FOR_BUILD="/home/home/src/openipc/output/per-package/hisilicon-opensdk/host/bin/ccache /usr/bin/g++" LD_FOR_BUILD="/usr/bin/ld" CPPFLAGS_FOR_BUILD="-I/home/home/src/openipc/output/per-package/hisilicon-opensdk/host/include" CFLAGS_FOR_BUILD="-O2 -I/home/home/src/openipc/output/per-package/hisilicon-opensdk/host/include" CXXFLAGS_FOR_BUILD="-O2 -I/home/home/src/openipc/output/per-package/hisilicon-opensdk/host/include" LDFLAGS_FOR_BUILD="-L/home/home/src/openipc/output/per-package/hisilicon-opensdk/host/lib -Wl,-rpath,/home/home/src/openipc/output/per-package/hisilicon-opensdk/host/lib" FCFLAGS_FOR_BUILD="" DEFAULT_ASSEMBLER="/home/home/src/openipc/output/per-package/hisilicon-opensdk/host/bin/arm-openipc-linux-musleabi-as" DEFAULT_LINKER="/home/home/src/openipc/output/per-package/hisilicon-opensdk/host/bin/arm-openipc-linux-musleabi-ld" CPPFLAGS="-D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64" CFLAGS="-D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64  -Os -g0 " CXXFLAGS="-D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64  -Os -g0 " LDFLAGS="" FCFLAGS=" -Os -g0" FFLAGS=" -Os -g0" PKG_CONFIG="/home/home/src/openipc/output/per-package/hisilicon-opensdk/host/bin/pkg-config" STAGING_DIR="/home/home/src/openipc/output/per-package/hisilicon-opensdk/host/arm-buildroot-linux-musleabi/sysroot" INTLTOOL_PERL=/usr/bin/perl \
-CHIPARCH=hi3516ev200 SDK_CODE=0x3516E200 -C /home/home/src/openhisilicon/openhisilicon/libraries all
+CHIPARCH=hi3516ev200 SDK_CODE=0x3516E200 -C /home/home/src/openhisilicon/libraries all
 ```
 
 copy driver to device: 
-scp /home/home/src/openhisilicon/openhisilicon/libraries/sensor/hi3516ev200/sony_imx335_fpv/libsns_imx335.so root@192.168.1.88:/usr/lib/sensors/libsns_imx335ex.so
+scp /home/home/src/openhisilicon/libraries/sensor/hi3516ev200/sony_imx335_fpv/libsns_imx335.so root@192.168.1.88:/usr/lib/sensors/libsns_imx335ex.so
 
 CHIPARCH=hi3516ev200
 export SDK_CODE=0x3516E200