在http上的内容类型:inbound-gateway响应具有charset=iso-8859-1，而不是utf-8。

I want to build a ws proxy so I use an http:inbound-gateway. It worked fine but I'm having some trouble with the encoding. All responses have Content-Type: text/plain; charset=iso-8859-1 instead of Content-Type: text/xml; charset=utf-8, so when the response has special characters, they are not sent correctlyI want to build a ws proxy so I use an http:inb