diff --git a/ci/jenkins/step/singleDevNightlyTest.groovy b/ci/jenkins/step/singleDevNightlyTest.groovy
index 7e837f97df0bc10afa1b68fd6ea0bbbe97096daf..de3d4a37d1bc76eb040eea4dafd0856846d22c9d 100644
--- a/ci/jenkins/step/singleDevNightlyTest.groovy
+++ b/ci/jenkins/step/singleDevNightlyTest.groovy
@@ -4,23 +4,23 @@ timeout(time: 90, unit: 'MINUTES') {
         sh "pytest . --alluredir=\"test_out/dev/single/sqlite\" --ip ${env.PIPELINE_NAME}-${env.BUILD_NUMBER}-single-${env.BINRARY_VERSION}-milvus-engine.milvus.svc.cluster.local"
     }
     // mysql database backend test
-    // load "${env.WORKSPACE}/ci/jenkins/jenkinsfile/cleanupSingleDev.groovy"
+    load "${env.WORKSPACE}/ci/jenkins/jenkinsfile/cleanupSingleDev.groovy"
 
-    // if (!fileExists('milvus-helm')) {
-    //     dir ("milvus-helm") {
-    //         checkout([$class: 'GitSCM', branches: [[name: "0.6.0"]], userRemoteConfigs: [[url: "https://github.com/milvus-io/milvus-helm.git", name: 'origin', refspec: "+refs/heads/0.5.0:refs/remotes/origin/0.5.0"]]])
-    //     }
-    // }
-    // dir ("milvus-helm") {
-    //     dir ("milvus") {
-    //         if ("${env.BINRARY_VERSION}" == "gpu") {
-    //             sh "helm install --wait --timeout 300 --set engine.image.tag=${DOCKER_VERSION} --set expose.type=clusterIP --name ${env.PIPELINE_NAME}-${env.BUILD_NUMBER}-single-${env.BINRARY_VERSION} -f gpu_values.yaml -f ci/db_backend/mysql_values.yaml -f ci/filebeat/values.yaml --namespace milvus ."
-    //         } else {
-    //             sh "helm install --wait --timeout 300 --set engine.image.tag=${DOCKER_VERSION} --set expose.type=clusterIP --name ${env.PIPELINE_NAME}-${env.BUILD_NUMBER}-single-${env.BINRARY_VERSION} -f ci/db_backend/mysql_values.yaml -f ci/filebeat/values.yaml --namespace milvus ."
-    //         }
-    //     }
-    // }
-    // dir ("tests/milvus_python_test") {
-    //     sh "pytest . --alluredir=\"test_out/dev/single/mysql\" --ip ${env.PIPELINE_NAME}-${env.BUILD_NUMBER}-single-${env.BINRARY_VERSION}-milvus-engine.milvus.svc.cluster.local"
-    // }
+    if (!fileExists('milvus-helm')) {
+        dir ("milvus-helm") {
+            checkout([$class: 'GitSCM', branches: [[name: "0.6.0"]], userRemoteConfigs: [[url: "https://github.com/milvus-io/milvus-helm.git", name: 'origin', refspec: "+refs/heads/0.5.0:refs/remotes/origin/0.5.0"]]])
+        }
+    }
+    dir ("milvus-helm") {
+        dir ("milvus") {
+            if ("${env.BINRARY_VERSION}" == "gpu") {
+                sh "helm install --wait --timeout 300 --set engine.image.tag=${DOCKER_VERSION} --set expose.type=clusterIP --name ${env.PIPELINE_NAME}-${env.BUILD_NUMBER}-single-${env.BINRARY_VERSION} -f gpu_values.yaml -f ci/db_backend/mysql_values.yaml -f ci/filebeat/values.yaml --namespace milvus ."
+            } else {
+                sh "helm install --wait --timeout 300 --set engine.image.tag=${DOCKER_VERSION} --set expose.type=clusterIP --name ${env.PIPELINE_NAME}-${env.BUILD_NUMBER}-single-${env.BINRARY_VERSION} -f ci/db_backend/mysql_values.yaml -f ci/filebeat/values.yaml --namespace milvus ."
+            }
+        }
+    }
+    dir ("tests/milvus_python_test") {
+        sh "pytest . --alluredir=\"test_out/dev/single/mysql\" --ip ${env.PIPELINE_NAME}-${env.BUILD_NUMBER}-single-${env.BINRARY_VERSION}-milvus-engine.milvus.svc.cluster.local"
+    }
 }
diff --git a/docker/build_env/gpu/ubuntu16.04/Dockerfile b/docker/build_env/gpu/ubuntu16.04/Dockerfile
index a93ce83f72a96ca250e29d68f9bf43490370d641..2d0baf45e9718e057ccc6718fa2ee08af561da6e 100644
--- a/docker/build_env/gpu/ubuntu16.04/Dockerfile
+++ b/docker/build_env/gpu/ubuntu16.04/Dockerfile
@@ -11,13 +11,13 @@ RUN apt-get update && apt-get install -y --no-install-recommends wget && \
     git flex bison gfortran lsb-core \
     curl libtool automake libboost1.58-all-dev libssl-dev pkg-config libcurl4-openssl-dev python3-pip \
     clang-format-6.0 clang-tidy-6.0 \
-    lcov mysql-client libmysqlclient-dev intel-mkl-gnu-2019.4-243 intel-mkl-core-2019.4-243 && \
+    lcov mysql-client libmysqlclient-dev intel-mkl-gnu-2019.5-281 intel-mkl-core-2019.5-281 && \
     apt-get remove --purge -y && \
     rm -rf /var/lib/apt/lists/*
 
 RUN ln -s /usr/lib/x86_64-linux-gnu/libmysqlclient.so /usr/lib/x86_64-linux-gnu/libmysqlclient_r.so
 
-RUN sh -c 'echo export LD_LIBRARY_PATH=/opt/intel/compilers_and_libraries_2019.4.243/linux/mkl/lib/intel64:\$LD_LIBRARY_PATH > /etc/profile.d/mkl.sh'
+RUN sh -c 'echo export LD_LIBRARY_PATH=/opt/intel/compilers_and_libraries_2019.5.281/linux/mkl/lib/intel64:\$LD_LIBRARY_PATH > /etc/profile.d/mkl.sh'
 
 COPY docker-entrypoint.sh /app/docker-entrypoint.sh
 ENTRYPOINT [ "/app/docker-entrypoint.sh" ]
diff --git a/docker/build_env/gpu/ubuntu18.04/Dockerfile b/docker/build_env/gpu/ubuntu18.04/Dockerfile
index 7f7353de3153f17d47f61762fa586f0c3627182f..8ed9573977b28d9157561e6773b70dfec5463a1b 100644
--- a/docker/build_env/gpu/ubuntu18.04/Dockerfile
+++ b/docker/build_env/gpu/ubuntu18.04/Dockerfile
@@ -11,13 +11,13 @@ RUN apt-get update && apt-get install -y --no-install-recommends wget && \
     git flex bison gfortran lsb-core \
     curl libtool automake libboost-all-dev libssl-dev pkg-config libcurl4-openssl-dev python3-pip \
     clang-format-6.0 clang-tidy-6.0 \
-    lcov mysql-client libmysqlclient-dev intel-mkl-gnu-2019.4-243 intel-mkl-core-2019.4-243 && \
+    lcov mysql-client libmysqlclient-dev intel-mkl-gnu-2019.5-281 intel-mkl-core-2019.5-281 && \
     apt-get remove --purge -y && \
     rm -rf /var/lib/apt/lists/*
 
 RUN ln -s /usr/lib/x86_64-linux-gnu/libmysqlclient.so /usr/lib/x86_64-linux-gnu/libmysqlclient_r.so
 
-RUN sh -c 'echo export LD_LIBRARY_PATH=/opt/intel/compilers_and_libraries_2019.4.243/linux/mkl/lib/intel64:\$LD_LIBRARY_PATH > /etc/profile.d/mkl.sh'
+RUN sh -c 'echo export LD_LIBRARY_PATH=/opt/intel/compilers_and_libraries_2019.5.281/linux/mkl/lib/intel64:\$LD_LIBRARY_PATH > /etc/profile.d/mkl.sh'
 
 COPY docker-entrypoint.sh /app/docker-entrypoint.sh
 ENTRYPOINT [ "/app/docker-entrypoint.sh" ]