Worked on the apache/flink-cdc repository to address a targeted issue in connector configuration consistency. Focused on backend improvements, the developer fixed a naming discrepancy for the SCAN_INCREMENTAL_SNAPSHOT_UNBOUNDED_CHUNK_FIRST_ENABLED option across Flink CDC connectors, ensuring uniform reference and reducing potential user confusion. The solution involved a precise hotfix in Java, aligning variable names with configuration options to improve code maintainability and readability. Leveraging skills in database connectors, Flink CDC, and refactoring, the work reduced the risk of misconfigurations and future support issues. This contribution enhanced the long-term stability and clarity of the CDC integration without introducing new features.