diff --git a/ci/jenkins/step/coverage.groovy b/ci/jenkins/step/coverage.groovy
index 281c4ef0c8462917f90fe44d85e9c70379288941..d4f28893c4f03df1f7aaaf7c23e8cfd6c3024fcb 100644
--- a/ci/jenkins/step/coverage.groovy
+++ b/ci/jenkins/step/coverage.groovy
@@ -1,6 +1,7 @@
 timeout(time: 30, unit: 'MINUTES') {
     dir ("ci/scripts") {
         sh "./coverage.sh -o ${env.MILVUS_INSTALL_PREFIX} -u root -p 123456 -t \$POD_IP"
+        boolean isNightlyTest = currentBuild.getBuildCauses('hudson.triggers.TimerTrigger$TimerTriggerCause').size() != 0 ? true : false
         if (isNightlyTest) {
 	        withCredentials([[$class: 'StringBinding', credentialsId: "milvus-ci-codecov-token", variable: 'CODECOV_TOKEN']]) {
 	            sh "curl -s https://codecov.io/bash | bash -s - -f output_new.info -n ${BINARY_VERSION}-version-${OS_NAME}-unittest -F nightly -F ${BINARY_VERSION}-version-${OS_NAME}-unittest || echo \"Codecov did not collect coverage reports\""
@@ -12,4 +13,3 @@ timeout(time: 30, unit: 'MINUTES') {
 	    }
     }
 }
-
diff --git a/ci/scripts/check_ccache.sh b/ci/scripts/check_ccache.sh
index 076738ce2f496749c08faf630c27234eec78337d..e878ce948245248699b5bf30a0b71829e22b5230 100755
--- a/ci/scripts/check_ccache.sh
+++ b/ci/scripts/check_ccache.sh
@@ -40,32 +40,56 @@ if [[ -z "${ARTIFACTORY_URL}" || "${ARTIFACTORY_URL}" == "" ]];then
     exit 1
 fi
 
-check_ccache() {
+
+PACKAGE_FILE="ccache-${OS_NAME}-${BUILD_ENV_DOCKER_IMAGE_ID}.tar.gz"
+
+function check_ccache() {
     BRANCH=$1
-    PACKAGE_FILE="ccache-${OS_NAME}-${BUILD_ENV_DOCKER_IMAGE_ID}.tar.gz"
     echo "fetching ${BRANCH}/${PACKAGE_FILE}"
     wget -q --spider "${ARTIFACTORY_URL}/${BRANCH}/${PACKAGE_FILE}"
+    return $?
+}
+
+function download_file() {
+    BRANCH=$1
+    wget -q "${ARTIFACTORY_URL}/${BRANCH}/${PACKAGE_FILE}" && \
+    mkdir -p ${CCACHE_DIRECTORY} && \
+    tar zxf ${PACKAGE_FILE} -C ${CCACHE_DIRECTORY} && \
+    rm ${PACKAGE_FILE}
+    return $?
+}
+
+if [[ -n "${CHANGE_TARGET}" && "${BRANCH_NAME}" =~ "PR-" ]];then
+    check_ccache ${CHANGE_TARGET}
     if [[ $? == 0 ]];then
-        wget -q "${ARTIFACTORY_URL}/${BRANCH}/${PACKAGE_FILE}" && \
-        mkdir -p ${CCACHE_DIRECTORY} && \
-        tar zxf ${PACKAGE_FILE} -C ${CCACHE_DIRECTORY} && \
-        rm ${PACKAGE_FILE}
+        download_file ${CHANGE_TARGET}
         if [[ $? == 0 ]];then
             echo "found cache"
             exit 0
         fi
     fi
-}
 
-if [[ -n "${CHANGE_TARGET}" && "${BRANCH_NAME}" =~ "PR-" ]];then
-    check_ccache ${CHANGE_TARGET}
     check_ccache ${BRANCH_NAME}
+    if [[ $? == 0 ]];then
+        download_file ${BRANCH_NAME}
+        if [[ $? == 0 ]];then
+            echo "found cache"
+            exit 0
+        fi
+    fi
 fi
 
 for CURRENT_BRANCH in ${BRANCH_NAMES}
 do
     if [[ "${CURRENT_BRANCH}" != "HEAD" ]];then
         check_ccache ${CURRENT_BRANCH}
+        if [[ $? == 0 ]];then
+            download_file ${CURRENT_BRANCH}
+            if [[ $? == 0 ]];then
+                echo "found cache"
+                exit 0
+            fi
+        fi
     fi
 done
 
diff --git a/ci/scripts/update_ccache.sh b/ci/scripts/update_ccache.sh
index ec52bd11566b0dee4f7e1f13cc7cc2913a8e06c5..ec8929ff2dd33397499b8c9c4cb7f220b2ea4d62 100755
--- a/ci/scripts/update_ccache.sh
+++ b/ci/scripts/update_ccache.sh
@@ -51,6 +51,23 @@ if [[ -z "${ARTIFACTORY_URL}" || "${ARTIFACTORY_URL}" == "" ]];then
 fi
 
 PACKAGE_FILE="ccache-${OS_NAME}-${BUILD_ENV_DOCKER_IMAGE_ID}.tar.gz"
+
+function check_ccache() {
+    BRANCH=$1
+    echo "fetching ${BRANCH}/${PACKAGE_FILE}"
+    wget -q --spider "${ARTIFACTORY_URL}/${BRANCH}/${PACKAGE_FILE}"
+    return $?
+}
+
+
+if [[ -n "${CHANGE_TARGET}" && "${BRANCH_NAME}" =~ "PR-" ]]; then
+    REMOTE_PACKAGE_PATH="${ARTIFACTORY_URL}/${BRANCH_NAME}"
+    check_ccache ${CHANGE_TARGET}
+    if [[ $? == 0 ]];then
+        echo "Skip Update ccache package ..." && exit 0
+    fi
+fi
+
 REMOTE_PACKAGE_PATH="${ARTIFACTORY_URL}/${BRANCH_NAME}"
 
 ccache --show-stats