fix http body recorder

internal/util/forwarder/sniffer.go

@@ -453,16 +453,18 @@ func (h *Sniffer) httpRoundTrip(ctx context.Context, rw, cc io.ReadWriter, node
 		}
 	}
 
-	if err = req.Write(cc); err != nil {
-		res.Write(rw)
-		return
-	}
+	err = req.Write(cc)
 
 	if reqBody != nil {
 		ro.HTTP.Request.Body = reqBody.Content()
 		ro.HTTP.Request.ContentLength = reqBody.Length()
 	}
 
+	if err != nil {
+		res.Write(rw)
+		return
+	}
+
 	xio.SetReadDeadline(cc, time.Now().Add(h.ReadTimeout))
 	resp, err := http.ReadResponse(bufio.NewReader(cc), req)
 	if err != nil {
@@ -514,16 +516,18 @@ func (h *Sniffer) httpRoundTrip(ctx context.Context, rw, cc io.ReadWriter, node
 		resp.Body = respBody
 	}
 
-	if err = resp.Write(rw); err != nil {
-		log.Errorf("write response: %v", err)
-		return
-	}
+	err = resp.Write(rw)
 
 	if respBody != nil {
 		ro.HTTP.Response.Body = respBody.Content()
 		ro.HTTP.Response.ContentLength = respBody.Length()
 	}
 
+	if err != nil {
+		log.Errorf("write response: %v", err)
+		return
+	}
+
 	return resp.Close, nil
 }