log path update to default '/opt'

ci/jenkins/step/package.groovy

@@ -2,7 +2,7 @@ timeout(time: 5, unit: 'MINUTES') {
     dir ("ci/jenkins/scripts") {
         sh "pip3 install -r requirements.txt"
         sh "./yaml_processor.py merge -f /opt/milvus/conf/server_config.yaml -m ../yaml/update_server_config.yaml -i && rm /opt/milvus/conf/server_config.yaml.bak"
-        sh "sed -i 's/\/tmp\/milvus/\/opt\/milvus/g' /opt/milvus/conf/log_config.conf"
+        sh "sed -i 's/\\/tmp\\/milvus/\\/opt\\/milvus/g' /opt/milvus/conf/log_config.conf"
     }
     sh "tar -zcvf ./${PROJECT_NAME}-${PACKAGE_VERSION}.tar.gz -C /opt/ milvus"
     withCredentials([usernamePassword(credentialsId: "${params.JFROG_CREDENTIALS_ID}", usernameVariable: 'JFROG_USERNAME', passwordVariable: 'JFROG_PASSWORD')]) {