Spring cloud在第一次访问SessionId会发生改变,再次刷新所有微服务就同步了

框架结构:center+feign+spring session+redis+service(多个) feign端代码:

public RequestInterceptor requestInterceptor() {
        return requestTemplate -> {
            ServletRequestAttributes attrs = (ServletRequestAttributes) RequestContextHolder.getRequestAttributes();
            if (attrs != null) {
                HttpServletRequest request = attrs.getRequest();
                System.out.println("feign:"+attrs.getSessionId());
                Enumeration<String> headerNames = request.getHeaderNames();
                if (headerNames != null) {
                    while (headerNames.hasMoreElements()) {
                        String name = headerNames.nextElement();
                        Enumeration<String> values = request.getHeaders(name);
                        while (values.hasMoreElements()) {
                            String value = values.nextElement();
                            requestTemplate.header(name, value);
                        }
                    }
                }
                if(!request.isRequestedSessionIdValid()){
                    request.setAttribute(SessionRepositoryFilter.INVALID_SESSION_ID_ATTR,null);
                    requestTemplate.header("cookie","SESSION="+attrs.getSessionId());
                }
            }
        };
    }

feign在第一次转发请求后,服务节点会产生一个session,这个sessionId和feign自身产生的不一致,redis中也是出现多条记录,后续的访问都能正常同步了,sessionId都一致了,未能找到原因,跪求各位大神

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