diff --git a/ci/jenkinsfile/milvus_build.groovy b/ci/jenkinsfile/milvus_build.groovy
index 7b0da2116cd42d4ec806076507f436afa911988a..11f8c51d33cb40c7266dc38e867065f7d8ddba8c 100644
--- a/ci/jenkinsfile/milvus_build.groovy
+++ b/ci/jenkinsfile/milvus_build.groovy
@@ -15,7 +15,7 @@ container('milvus-build-env') {
                             && export JFROG_USER_NAME='${USERNAME}' \
                             && export JFROG_PASSWORD='${PASSWORD}' \
                             && export FAISS_URL='http://192.168.1.105:6060/jinhai/faiss/-/archive/branch-0.2.1/faiss-branch-0.2.1.tar.gz' \
-                            && ./build.sh -t ${params.BUILD_TYPE} -j -u -c"
+                            && ./build.sh -t ${params.BUILD_TYPE} -d /opt/milvus -j -u -c"
 
                             sh "./coverage.sh -u root -p 123456 -t 192.168.1.194"
                         }
diff --git a/ci/jenkinsfile/milvus_build_no_ut.groovy b/ci/jenkinsfile/milvus_build_no_ut.groovy
index 24f2cedef499dbc318905b069c11b81142e81086..1dd3361106032bad7bd3479f1aac05ae4925395f 100644
--- a/ci/jenkinsfile/milvus_build_no_ut.groovy
+++ b/ci/jenkinsfile/milvus_build_no_ut.groovy
@@ -15,7 +15,7 @@ container('milvus-build-env') {
                             && export JFROG_USER_NAME='${USERNAME}' \
                             && export JFROG_PASSWORD='${PASSWORD}' \
                             && export FAISS_URL='http://192.168.1.105:6060/jinhai/faiss/-/archive/branch-0.2.1/faiss-branch-0.2.1.tar.gz' \
-                            && ./build.sh -t ${params.BUILD_TYPE} -j"
+                            && ./build.sh -t ${params.BUILD_TYPE} -j -d /opt/milvus"
                         }
                     }
                 } catch (exc) {
diff --git a/core/build.sh b/core/build.sh
index c0bd9c52216bc9466aea3809019a1f11ff6f0d0d..795c87c6bf38d820426910d368fb62a9e6a112aa 100755
--- a/core/build.sh
+++ b/core/build.sh
@@ -1,11 +1,12 @@
 #!/bin/bash
 
+BUILD_OUTPUT_DIR="cmake_build"
 BUILD_TYPE="Debug"
 BUILD_UNITTEST="OFF"
 INSTALL_PREFIX=$(pwd)/milvus
 MAKE_CLEAN="OFF"
 BUILD_COVERAGE="OFF"
-DB_PATH="/opt/milvus"
+DB_PATH="/tmp/milvus"
 PROFILING="OFF"
 USE_JFROG_CACHE="OFF"
 RUN_CPPLINT="OFF"
@@ -40,8 +41,8 @@ do
                 RUN_CPPLINT="ON"
                 ;;
              r)
-                if [[ -d cmake_build ]]; then
-                    rm ./cmake_build -r
+                if [[ -d ${BUILD_OUTPUT_DIR} ]]; then
+                    rm ./${BUILD_OUTPUT_DIR} -r
                     MAKE_CLEAN="ON"
                 fi
                 ;;
@@ -62,7 +63,7 @@ do
 
 parameter:
 -p: install prefix(default: $(pwd)/milvus)
--d: db path(default: /opt/milvus)
+-d: db data path(default: /tmp/milvus)
 -t: build type(default: Debug)
 -u: building unit test options(default: OFF)
 -l: run cpplint, clang-format and clang-tidy(default: OFF)
@@ -84,11 +85,11 @@ usage:
         esac
 done
 
-if [[ ! -d cmake_build ]]; then
-    mkdir cmake_build
+if [[ ! -d ${BUILD_OUTPUT_DIR} ]]; then
+    mkdir ${BUILD_OUTPUT_DIR}
 fi
 
-cd cmake_build
+cd ${BUILD_OUTPUT_DIR}
 
 CMAKE_CMD="cmake \
 -DBUILD_UNIT_TEST=${BUILD_UNITTEST} \
@@ -114,6 +115,7 @@ if [[ ${RUN_CPPLINT} == "ON" ]]; then
     make lint
     if [ $? -ne 0 ]; then
         echo "ERROR! cpplint check failed"
+        rm -f CMakeCache.txt
         exit 1
     fi
     echo "cpplint check passed!"
@@ -122,6 +124,7 @@ if [[ ${RUN_CPPLINT} == "ON" ]]; then
     make check-clang-format
     if [ $? -ne 0 ]; then
         echo "ERROR! clang-format check failed"
+        rm -f CMakeCache.txt
         exit 1
     fi
     echo "clang-format check passed!"
@@ -130,9 +133,12 @@ if [[ ${RUN_CPPLINT} == "ON" ]]; then
 #    make check-clang-tidy
 #    if [ $? -ne 0 ]; then
 #        echo "ERROR! clang-tidy check failed"
+#        rm -f CMakeCache.txt
 #        exit 1
 #    fi
 #    echo "clang-tidy check passed!"
+
+    rm -f CMakeCache.txt
 else
     # compile and build
     make -j 4 || exit 1