fix: [debugger] crash when fetch threads

[LiHua000]

Log: as title

[deepin-ci-robot]

deepin pr auto review

关键摘要:

• 在新添加的代码中，对字符串解析的逻辑进行了修改，增加了对 '"' 字符的额外处理。
• 代码中增加了对 '\' 字符的处理，但未处理可能的递归情况。

是否建议立即修改:

• 是

Syntax and logical errors:

• 新增代码中的 ++it; 应该在 break; 后添加，以确保在处理完 '"' 字符后跳过下一个字符。

Code refactoring and quality:

• 考虑将 parseString 函数的逻辑拆分为更小的函数，以提高代码的可读性和可维护性。
• 检查是否有必要处理 '\' 字符，以及是否需要处理更复杂的转义情况。

Performance optimization:

• 如果 parseString 函数被频繁调用，可以考虑缓存结果以避免重复的字符串解析操作。

Security vulnerabilities:

• 确保对用户输入进行适当的验证和转义，以防止潜在的注入攻击。

Best practices:

• 添加注释来解释新添加代码的目的和逻辑，特别是对字符串解析部分。
• 确保代码遵循项目的编码标准，例如使用一致的空格和缩进。

[deepin-ci-robot]

[APPROVALNOTIFIER] This PR is NOT APPROVED

This pull-request has been approved by: Kakueeen, LiHua000
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