message: Display error when use pecl.
diff: #!/bin/sh -e
  pecl config-show && \
  -pecl package && \
  -package_file="`ls | grep swoole-*tgz`" && \
  -install_info="`echo "\n" | pecl install -f ${package_file}`" && \
  -echo "${install_info}" && echo "${install_info}" | grep "successfully" && \
  -pecl uninstall swoole
  \ No newline at end of file
  +pecl package && package_file="`ls | grep swoole-*tgz`" && \
  +echo "\n" | pecl install -f ${package_file} | tee pecl.log && \
  +cat pecl.log | grep "successfully" && \
  +pecl uninstall swoole && \
  +rm -f pecl.log
  \ No newline at end of file
  