diff --git a/rpm/devdeps-grpc-build.sh b/rpm/devdeps-grpc-build.sh
index ec8a85f..5b43367 100644
--- a/rpm/devdeps-grpc-build.sh
+++ b/rpm/devdeps-grpc-build.sh
@@ -4,22 +4,53 @@ CUR_DIR=$(dirname $(readlink -f "$0"))
 ROOT_DIR=$CUR_DIR/../
 PROJECT_DIR=${1:-"$CUR_DIR"}
 PROJECT_NAME=${2:-"devdeps-grpc"}
-VERSION=${3:-"1.20.1"}
+VERSION=${3:-"1.46.7"}
 RELEASE=${4:-"1"}
 
 # check source code
 if [[ -z `find $ROOT_DIR -maxdepth 1 -regex ".*/grpc-$VERSION.*[tar|gz|bz2|xz|zip]$"` ]]; then
     echo "Download source code"
-    cd $ROOT_DIR
-    git clone https://github.com/grpc/grpc.git -b v1.20.1 --depth 1 grpc-$VERSION
-    cd grpc-$VERSION
-    git submodule update --init --recursive
-    cd $ROOT_DIR
-    tar -zcvf grpc-$VERSION.tar.gz grpc-$VERSION
+    bash $CUR_DIR/download.sh $PROJECT_NAME $VERSION $ROOT_DIR
+fi
+
+# build dependencies
+OS_RELEASE=`grep -Po '(?<=release )\d' /etc/redhat-release`
+
+if [[ x"$OS_RELEASE" == x"3" ]]; then
+    arch=`uname -p`
+    target_dir_3rd=${PROJECT_DIR}/deps/3rd
+    pkg_dir=$target_dir_3rd/pkg
+    mkdir -p $pkg_dir
+
+    dep_pkgs=(obdevtools-cmake-3.22.1-112024083015.al)
+    download_base_url="http://yum-test.obvos.alibaba-inc.com/oceanbase/development-kit/al"
+    os_release=8
+    for dep_pkg in ${dep_pkgs[@]}
+    do
+        TEMP=$(mktemp -p "/" -u ".XXXX")
+        deps_url=${download_base_url}/${os_release}/${arch}
+        pkg=${dep_pkg}${os_release}.${arch}.rpm
+        wget $deps_url/$pkg -O $pkg_dir/$TEMP
+        if [[ $? == 0 ]]; then
+            mv -f $pkg_dir/$TEMP $pkg_dir/$pkg
+        fi
+        (cd $target_dir_3rd && rpm2cpio $pkg_dir/$pkg | cpio -di -u --quiet)
+    done
+
+    # environmental parameters
+    export PATH=$target_dir_3rd/usr/local/oceanbase/devtools/bin:$PATH
+
+    ln -sf $target_dir_3rd/usr/local/oceanbase/devtools/bin/cmake  /usr/bin/cmake
+
+else
+    # prepare building environment
+    # please prepare environment yourself if the following solution does not work for you.
+    # depends on cmake(suggest 2.6.0 or higher)
+    wget http://yum-test.obvos.alibaba-inc.com/oceanbase/OceanBaseTest.repo -P /etc/yum.repos.d/
+    yum remove cmake -y
+    yum install cmake-3.11.4 -y
 fi
 
-# prepare building environment
-# please prepare environment yourself if the following solution does not work for you.
 
 cd $CUR_DIR
-bash $CUR_DIR/rpmbuild.sh $PROJECT_DIR $PROJECT_NAME $VERSION $RELEASE
\ No newline at end of file
+bash $CUR_DIR/rpmbuild.sh $PROJECT_DIR $PROJECT_NAME $VERSION $RELEASE
diff --git a/rpm/devdeps-grpc.spec b/rpm/devdeps-grpc.spec
index 5ad7e60..4d9104e 100644
--- a/rpm/devdeps-grpc.spec
+++ b/rpm/devdeps-grpc.spec
@@ -1,5 +1,5 @@
 Name: devdeps-grpc
-Version: 1.20.1
+Version: 1.46.7
 Release: %(echo $RELEASE)%{?dist}
 Url: https://github.com/grpc/grpc
 Summary: gRPC is a modern, open source, high-performance remote procedure call (RPC) framework that can run anywhere.
@@ -83,4 +83,4 @@ make -j${CPU_CORES} install
 
 %changelog
 * Mon Apr 12 2021 oceanbase
-- add spec of grpc
\ No newline at end of file
+- add spec of grpc