由于 & 的值，authenticity_token 的值被截断。
authenticity_token=CUYGx8Wsvc4wVrqdqBSB0ePSvIZnRfh1Qf/XOWnekQc=
由于此 POST 请求在 Jmeter 中失败
被截断的 POST 请求的 HTTP 格式：
相同 POST 请求的原始格式：
POST http://abcdomain.com/punter/punteradmin/languages
POST data:
utf8=✓&authenticity_token=A7Fkebd2rYIyHF%26%2347%3Bn1Mm44p0iiRh%2BCRX4cTtVlrksHUU%3D&language[name]=Test Lang B&language[code]=ab-BB&commit=Add Language
Cookie Data:
$Version=0; _session_id=22795fce48a3f49d99b9d09a7a6aae07; $Path=/
Request Headers:
Content-Length: 154
Connection: close
Content-Type: application/x-www-form-urlencoded
