if xModel != yModel && !conf.RecEnable {
var err error
bodyBytes, err = sjson.SetBytes(bodyBytes, "model", yModel)
if err != nil {
return nil, "", "", false, fmt.Errorf("Error setting model in request body: %w", err)
}
r.Body = io.NopCloser(bytes.NewReader(bodyBytes))
needUpdateLength = true
}