message: fix: catch exception when transform post data
diff: @@ -110,8 +110,13 @@ export class HttpServerPatcher extends Patcher {
  return {};
  }
  - bufferTransformer(buffer): ParsedUrlQuery {
  + bufferTransformer(buffer): ParsedUrlQuery | string {
  + try {
  return parseQS(buffer.toString('utf8'));
  + } catch (error) {
  + debug('transform post data error. ', error);
  + return '';
  + }
  }
  shimmer(options) {
  