帮我把下面的一句话改写并润色：在系统测试阶段需要不同类型的用户进行内容编辑和提交并使用多种测试方式来发现程序中存在的漏洞。

During the system testing phase, it is necessary to have users of different types perform content editing and submission, and utilize various testing methods to identify any existing vulnerabilities in the program.

During the system testing phase, diverse users are required to perform content editing and submission, and a range of testing methods should be employed to uncover any potential program vulnerabilities.