velocity剔除commons-collections版本，防止3.2.1版本的反序列化漏洞

RuoYi

2021-03-14 41fa57d778d2bdfdbe7aad0a8c999c6681a24061

 ruoyi-api/ruoyi-api-system/src/main/java/com/ruoyi/system/api/factory/RemoteUserFallbackFactory.java

@@ -27,7 +27,7 @@
            @Override

            public R<LoginUser> getUserInfo(String username)

            {

                return null;

                return R.fail("获取用户失败:" + throwable.getMessage());

            }

        };

    }