我认为这是HRS_REQUEST_PARAMETER_TO_HTTP_HEADER错误,您可以这样解决:
String rqHd = request.getHeader("Access-Control-Request-Headers"); if(rqHd != null){ String rqHeader = URLEnprer.enpre(rqHd,StandardCharsets.UTF_8.displayName()); response.addHeader("Access-Control-Allow-Headers", rqHeader);}


