### Issue description https://github.com/apache/incubator-apisix/blob/master/README.md#L93 https://github.com/apache/incubator-apisix/blob/master/README_CN.md#L92 ### Environment * apisix version 1.4.1
Issue description
https://github.com/apache/incubator-apisix/blob/master/README.md#L93
https://github.com/apache/incubator-apisix/blob/master/README_CN.md#L92
Environment