修正SQL连接的一处错误。

Signed-off-by: CyberZHG <443442708@qq.com>
修改指向相册的链接。

Signed-off-by: CyberZHG <443442708@qq.com>
添加相册部分的API。

Signed-off-by: CyberZHG <443442708@qq.com>
更新开发者的文档。

Signed-off-by: CyberZHG <443442708@qq.com>