Linfangrong Liuxin focused on enhancing the reliability of directory listing operations in the cubefs/cubefs repository over a two-month period. Working primarily in Go, Linfangrong addressed complex edge cases in client-side file system code, specifically improving the handling of non-zero offsets and empty directory names during directory reads. By refactoring directory context retrieval and strengthening error handling for missing contexts, Linfangrong reduced inconsistencies and prevented resource leaks in client operations. The work demonstrated careful attention to runtime stability and code quality, with coordinated commits and clear sign-off practices, resulting in a more robust and predictable directory listing experience for users.