docs: public WxCpMessageRouterRule interceptor(WxCpMessageInterceptor interceptor, WxCpMessageInterceptor... otherInterceptors) {
      this.interceptors.add(interceptor);
      if (otherInterceptors != null && otherInterceptors.length > 0) {
        for (WxCpMessageInterceptor i : otherInterceptors) {
          this.interceptors.add(i);
        }
      }
      return this;
    }