diff --git a/llvm-build/env_prepare.sh b/llvm-build/env_prepare.sh
index 552fbdba47722853296a9102ac013d6c9d6b0d29..7bc5960555adb9a31b63b8587629fafcd4f2207e 100755
--- a/llvm-build/env_prepare.sh
+++ b/llvm-build/env_prepare.sh
@@ -22,6 +22,17 @@ esac
 
 # sync code directory
 code_dir=$(pwd)
+#ceshi
+#ceshi 1
+#测试 2
+#ceshi 3
+#ceshi 4
+#测试5
+#ceshi6
+#测试7
+#测试8
+#manifest 合入测试
+#ignore测试
 
 # downloaded files will be automatically unzipped under this path
 bin_dir=${code_dir}/download_packages
@@ -49,13 +60,29 @@ function download_and_archive() {
     fi
 }
 
+function copy_and_archive() {
+    archive_dir=$1
+    download_source_url=$2
+    bin_file=$(basename ${download_source_url})
+    cp -r /home/tools/${bin_file} "${bin_dir}/${bin_file}"
+    if [ ! -d "${code_dir}/${archive_dir}" ];then
+        mkdir -p "${code_dir}/${archive_dir}"
+    fi
+    if [ "X${bin_file:0-3}" = "Xzip" ];then
+        unzip -o "${bin_dir}/${bin_file}" -d "${code_dir}/${archive_dir}/"
+    elif [ "X${bin_file:0-6}" = "Xtar.gz" ];then
+        tar -xvzf "${bin_dir}/${bin_file}" -C "${code_dir}/${archive_dir}"
+    else
+        tar -xvf "${bin_dir}/${bin_file}" -C "${code_dir}/${archive_dir}"
+    fi
+}
+
 
 copy_config="""
 """
 
 copy_config_linux_x86_64="""
 prebuilts/cmake,https://mirrors.huaweicloud.com/harmonyos/compiler/cmake/3.16.5/${host_platform}/cmake-${host_platform}-x86-3.16.5.tar.gz
-prebuilts/clang/ohos/${host_platform}-${host_cpu},https://mirrors.huaweicloud.com/openharmony/compiler/clang/10.0.1-62608/${host_platform}/llvm.tar.gz
 prebuilts/clang/ohos/${host_platform}-${host_cpu},https://github.com/llvm/llvm-project/releases/download/llvmorg-10.0.1/clang+llvm-10.0.1-x86_64-linux-gnu-ubuntu-16.04.tar.xz
 """
 
@@ -91,9 +118,14 @@ for i in $(echo ${copy_config})
 do
     unzip_dir=$(echo $i|awk -F ',' '{print $1}')
     remote_url=$(echo $i|awk -F ',' '{print $2}')
-    download_and_archive "${unzip_dir}" "${remote_url}"
+    copy_and_archive "${unzip_dir}" "${remote_url}"
 done
 
+sleep 10
+
+echo ">>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>"
+ln -s "${code_dir}/prebuilts/clang/ohos/${host_platform}-${host_cpu}/clang-10.0.1" "${code_dir}/prebuilts/clang/ohos/${host_platform}-${host_cpu}/llvm"
+echo "<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<"
 
 if [ -d "${code_dir}/prebuilts/clang/ohos/linux-x86_64/clang-62608" ];then
     rm -rf "${code_dir}/prebuilts/clang/ohos/linux-x86_64/llvm"