向rpc服务发送http请求，会因为json_decode 解析错误，导致work进程die掉

[zuobee]

Q	A
Bug report?	yes/no
Feature request?	yes/no
Swoft version	x.y.z (by php bin/swoft -V)
Swoole version	x.y.z (by php --ri swoole)
PHP version	x.y.z (by php -v)
Runtime environment	Win10/Mac/CentOS 7/Ubuntu/Docker etc.

Describe the bug
A clear and concise description of what the bug is.

Expected behavior
A clear and concise description of what you expected to happen.

Screenshots
If applicable, add screenshots to help explain your problem.

Details

Describe what you are trying to achieve and what goes wrong.

// paste output here

Provide minimal script to reproduce the issue

// paste code