Spring Mongo

修改错误

{
    "timestamp": "2018-06-08T06:47:54.222+0000",
    "status": 500,
    "error": "Internal Server Error",
    "message": "Could not extract response: no suitable HttpMessageConverter found for response type [class com.google.gson.JsonObject] and content type [text/plain]",
    "path": "/auth/login/wechat"
}