一、修改配置文件

进入head-master安装目录，编辑vendor.js文件

# 6886行
contentType: "application/x-www-form-urlencoded"
# 修改为下面配置
contentType: "application/json;charset=UTF-8"
# 7573行
var inspectData = s.contentType === "application/x-www-form-urlencoded" &&
# 修改为下面配置
var inspectData = s.contentType === "application/json;charset=UTF-8" &&