图片附件
Revert "图片附件"

This reverts commit 4e0da8666ff376fe5c9f346ea7b773c727ae2f49.
Revert "Revert "图片附件""

This reverts commit 495454746a35dbf7c8b0e187dca91e27e8d7956a.
数据变更
数据库变更
删除文件测试