diff --git a/build/ci/jenkins/Jenkinsfile b/build/ci/jenkins/Jenkinsfile
index 733fe8fdbf..5fa1fc6206 100644
--- a/build/ci/jenkins/Jenkinsfile
+++ b/build/ci/jenkins/Jenkinsfile
@@ -37,7 +37,6 @@ pipeline {
                 environment {
                     IMAGE_REPO = "dockerhub-mirror-sh.zilliz.cc/milvusdb"
                     DOCKER_BUILDKIT = 1
-                    DOCKER_VOLUME_DIRECTORY = "/mnt/disk/.docker"
                     ARTIFACTS = "${env.WORKSPACE}/artifacts"
                     DOCKER_CREDENTIALS_ID = "ba070c98-c8cc-4f7c-b657-897715f359fc"
                     DOKCER_REGISTRY_URL = "registry.zilliz.com"
diff --git a/build/ci/jenkins/pod/krte.yaml b/build/ci/jenkins/pod/krte.yaml
index fcc9d22045..c93ee9e9eb 100644
--- a/build/ci/jenkins/pod/krte.yaml
+++ b/build/ci/jenkins/pod/krte.yaml
@@ -10,6 +10,8 @@ spec:
     env:
     - name: DOCKER_IN_DOCKER_ENABLED
       value: "true"
+    - name: DOCKER_VOLUME_DIRECTORY
+      value: "/mnt/disk/.docker"
     securityContext:
       privileged: true
     tty: true
diff --git a/scripts/install_deps.sh b/scripts/install_deps.sh
index 28effd749d..1090d694f7 100755
--- a/scripts/install_deps.sh
+++ b/scripts/install_deps.sh
@@ -14,6 +14,7 @@ elif [[ -x "$(command -v yum)" ]]; then
     echo "source scl_source enable devtoolset-7" | sudo tee -a /etc/profile.d/devtoolset-7.sh
     echo "source scl_source enable llvm-toolset-7.0" | sudo tee -a /etc/profile.d/llvm-toolset-7.sh
     echo "export CLANG_TOOLS_PATH=/opt/rh/llvm-toolset-7.0/root/usr/bin" | sudo tee -a /etc/profile.d/llvm-toolset-7.sh
+    source "/etc/profile.d/llvm-toolset-7.sh"
 else
     echo "Error Install Dependencies ..."
     exit 1