diff --git a/.travis.yml b/.travis.yml
index 7fcb97d179..c4729a2555 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -17,4 +17,4 @@ install:
   - source $TRAVIS_BUILD_DIR/ci/travis/install_dependency.sh
 
 script:
-  - sudo $TRAVIS_BUILD_DIR/ci/travis/travis_build.sh
+  - $TRAVIS_BUILD_DIR/ci/travis/travis_build.sh
diff --git a/ci/scripts/build.sh b/ci/scripts/build.sh
index 8a0178b7d8..81ab6d1608 100755
--- a/ci/scripts/build.sh
+++ b/ci/scripts/build.sh
@@ -16,6 +16,7 @@ BUILD_TYPE="Debug"
 BUILD_UNITTEST="OFF"
 INSTALL_PREFIX="/var/lib/milvus"
 FAISS_ROOT=""
+PRIVILEGES="OFF"
 CUSTOMIZATION="OFF" # default use origin faiss
 BUILD_COVERAGE="OFF"
 USE_JFROG_CACHE="OFF"
@@ -24,7 +25,7 @@ GPU_VERSION="OFF"
 WITH_MKL="OFF"
 CUDA_COMPILER=/usr/local/cuda/bin/nvcc
 
-while getopts "o:t:b:f:gxulcjmh" arg
+while getopts "o:t:b:f:pgxulcjmh" arg
 do
         case $arg in
              o)
@@ -39,6 +40,9 @@ do
              f)
                 FAISS_ROOT=$OPTARG # FAISS ROOT PATH
                 ;;
+             p)
+                PRIVILEGES="ON" # ELEVATED PRIVILEGES
+                ;;
              g)
                 GPU_VERSION="ON";
                 ;;
@@ -69,6 +73,7 @@ parameter:
 -t: build type(default: Debug)
 -b: core code build directory
 -f: faiss root path
+-p: install command with elevated privileges
 -g: gpu version
 -x: milvus customization (default: OFF)
 -u: building unit test options(default: OFF)
@@ -79,7 +84,7 @@ parameter:
 -h: help
 
 usage:
-./build.sh -o \${INSTALL_PREFIX} -t \${BUILD_TYPE} -b \${CORE_BUILD_DIR} -f \${FAISS_ROOT} [-g] [-x] [-u] [-l] [-c] [-j] [-m] [-h]
+./build.sh -o \${INSTALL_PREFIX} -t \${BUILD_TYPE} -b \${CORE_BUILD_DIR} -f \${FAISS_ROOT} [-p] [-g] [-x] [-u] [-l] [-c] [-j] [-m] [-h]
                 "
                 exit 0
                 ;;
@@ -143,4 +148,9 @@ fi
 
 # compile and build
 make -j8 || exit 1
-make install || exit 1
+
+if [[ ${PRIVILEGES} == "ON" ]];then
+    sudo make install || exit 1
+else
+    make install || exit 1
+fi
diff --git a/ci/travis/travis_build.sh b/ci/travis/travis_build.sh
index 3f49750b6d..919a966ced 100755
--- a/ci/travis/travis_build.sh
+++ b/ci/travis/travis_build.sh
@@ -18,7 +18,7 @@ done
 BUILD_COMMON_FLAGS="-t ${MILVUS_BUILD_TYPE} -o ${MILVUS_INSTALL_PREFIX} -b ${MILVUS_BUILD_DIR}"
 
 if [ $only_library_mode == "yes" ]; then
-  ${TRAVIS_BUILD_DIR}/ci/scripts/build.sh ${BUILD_COMMON_FLAGS} -m
+  ${TRAVIS_BUILD_DIR}/ci/scripts/build.sh ${BUILD_COMMON_FLAGS} -m -p
 else
-  ${TRAVIS_BUILD_DIR}/ci/scripts/build.sh ${BUILD_COMMON_FLAGS} -m -u -c
+  ${TRAVIS_BUILD_DIR}/ci/scripts/build.sh ${BUILD_COMMON_FLAGS} -m -p -u -c
 fi
\ No newline at end of file