Fix cdn connection issue

pkg/http/client.go

@@ -25,10 +25,10 @@ type HTTPClient struct {
 }
 
 func (r *HTTPClient) Do(req *http.Request) (*http.Response, error) {
-	req.Close = true
 	if r.config != nil && strings.Contains(req.Host, "download.real-debrid.") {
 		prefHost := r.config.GetRandomPreferredHost()
 		if prefHost != "" {
+			req.Host = prefHost
 			req.URL.Host = prefHost
 		}
 	}