302 recv（）失败（104：对等重置连接）代理升级的连接时

Question

302 recv() failed(104:Connection reset by peer) while proxying upgraded connection 
client:xx.xx.xx.xx,server:localhost,request:GET /dbconnect/ HTTP/1.1,
upstream:"uwsgi://unix:/usr/local/djcmb/hcDjango/hcDjango.sock"

我使用dwebsocket，环境为linux + uwsgi + nginx + django