diff --git a/scripts/install_bisheng.sh b/scripts/install_bisheng.sh
index 7cf9995e9a8f2f2c6e088303edbb7bb4f87b7796..e297f737a7b39580950d37914e607326d7137871 100644
--- a/scripts/install_bisheng.sh
+++ b/scripts/install_bisheng.sh
@@ -14,6 +14,9 @@ function install_bisheng()
     mkdir -p ${ROOTFS}/${BISHENG_INSTALL_DIR}
     tar -zxf ${DOWNLOAD_DIR}/$bisheng_name -C ${ROOTFS}/${BISHENG_INSTALL_DIR}
 
+    chown -R root:root ${ROOTFS}/${BISHENG_INSTALL_DIR}
+    chmod -R 755 ${ROOTFS}/${BISHENG_INSTALL_DIR}
+    
     config_bisheng_env
 }
 
@@ -21,7 +24,7 @@ function config_bisheng_env()
 {
 cat <<-EOF > ${ROOTFS}/etc/profile
 
-export PATH=${BISHENG_INSTALL_DIR}/BiShengCompiler-3.2.0-aarch64-linux-mini/bin:$PATH
-export LD_LIBRARY_PATH=${BISHENG_INSTALL_DIR}/BiShengCompiler-3.2.0-aarch64-linux-mini/lib:$LD_LIBRARY_PATH
+export PATH=${BISHENG_INSTALL_DIR}/BiShengCompiler-3.2.0-aarch64-linux-mini/bin:\$PATH
+export LD_LIBRARY_PATH=${BISHENG_INSTALL_DIR}/BiShengCompiler-3.2.0-aarch64-linux-mini/lib:\$LD_LIBRARY_PATH
 EOF
 }
\ No newline at end of file