示例github存储库链接到app.wercker.com，如dochttp：//devcenter.wercker.com/docs/quickstarts/deployment/kubernetes
中所示。从wercker.yml（通过app.wercker.com）执行构建时，会看到以下错误。 ＆＃34; create_cities-controller.json.sh＆＃34;的权限被拒绝。请帮我解决这个问题。
export WERCKER_STEP_ROOT="/pipeline/script-aa48a107-200c-450a-8f81-24e32622a13f"
export WERCKER_STEP_ID="script-aa48a107-200c-450a-8f81-24e32622a13f"
export WERCKER_STEP_OWNER="wercker"
export WERCKER_STEP_NAME="script"
export WERCKER_REPORT_NUMBERS_FILE="/report/script-aa48a107-200c-450a-8f81-24e32622a13f/numbers.ini"
export WERCKER_REPORT_MESSAGE_FILE="/report/script-aa48a107-200c-450a-8f81-24e32622a13f/message.txt"
export WERCKER_REPORT_ARTIFACTS_DIR="/report/script-aa48a107-200c-450a-8f81-24e32622a13f/artifacts"
source "/pipeline/script-aa48a107-200c-450a-8f81-24e32622a13f/run.sh" < /dev/null
/pipeline/script-aa48a107-200c-450a-8f81-24e32622a13f/run.sh: line 2: ./create_cities-controller.json.sh: Permission denied