fix: "subrequests cycle" error after 200 websocket publish requests with nchan_publisher_upstream_request
fix: "subrequests cycle" error after 200 websocket publish requests with nchan_publisher_upstream_request

slact/nginx_http_push_module,slact/nginx_http_push_module,slact/nginx_http_push_module,slact/nginx_http_push_module