Unfortunately, due to length of the development, some infrequently used features like debugging and project support has suffered bit-rot and does not work anymore.
遗憾的是，由于开发周期的问题，有一些使用频率较低的功能特性，例如调试（degugging）以及项目支持（project support）遇到了一些问题，无法正常工作。
In some ways debugging is like detective work. You are confronted with clues and you have to infer the processes and events that led to the results you see.
某种程度上，调试像是侦探工作一样。你面对着很多线索，必须推断出导致当前结果的整个过程和事件。
At last, this paper discusses some problems in course of system debugging and points out the next step of the work.
最后，分析了系统调试过程中存在的问题，明确了继续改进的思路和方向。
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