diff --git a/net/ghttp/ghttp_client_request.go b/net/ghttp/ghttp_client_request.go
index 5689b4b3b..15a58eeaf 100644
--- a/net/ghttp/ghttp_client_request.go
+++ b/net/ghttp/ghttp_client_request.go
@@ -189,6 +189,17 @@ func (c *Client) DoRequest(method, url string, data ...interface{}) (resp *Clien
 			req.Header.Set(k, v)
 		}
 	}
+	// For server requests Host specifies the host on which the
+	// URL is sought. Per RFC 2616, this is either the value of
+	// the "Host" header or the host name given in the URL itself.
+	// It may be of the form "host:port".
+	//
+	// For client requests Host optionally overrides the Host
+	// header to send. If empty, the Request.Write method uses
+	// the value of URL.Host.
+	if host := req.Header.Get("Host"); host != "" {
+		req.Host = host
+	}
 	// Custom Cookie.
 	if len(c.cookies) > 0 {
 		headerCookie := ""