During November 2024, ZtTemp08 enhanced cross-browser voice playback in the samqin123/FastGPT repository by addressing MediaSource API incompatibilities. Using TypeScript and the Web Audio API, ZtTemp08 implemented a fallback mechanism that detects browser support for MediaSource and conditionally adjusts playback logic. This approach allowed audio to play either as a full stream or after all segments loaded, depending on browser capabilities. The solution improved the reliability of voice features across Chrome, Firefox, and Safari, reducing playback errors and maintaining a consistent user experience. The work demonstrated a focused application of front-end development skills to solve a nuanced compatibility issue.