During April 2025, Qingchao focused on enhancing the clarity and consistency of API documentation within the apache/tvm repository. Working primarily in Python, Qingchao systematically reviewed and refactored docstrings across core modules such as upsampling.py, batch_to_space_nd, bitpack, and tvm/topi/nn/softmax.py. The work involved correcting parameter names, adding missing axis descriptions, and providing comprehensive usage guidance, all without altering the underlying runtime behavior. By improving documentation accuracy and maintainability, Qingchao reduced onboarding time and the risk of misconfiguration for developers integrating or extending TVM features. This effort demonstrated strong skills in code refactoring and technical documentation.