Tencent Cloud's proprietary data analysis agent, TCDataAgent, has secured third place globally and first place domestically on the prestigious international evaluation platform BIRD-Bench for natural language to SQL conversion. This accomplishment sets a new benchmark for Chinese teams in this domain. The comprehensive evaluation encompassed 37 industry scenarios spanning finance, healthcare, and sports, featuring a total data volume of 33GB and over 10,000 test questions. Leveraging cutting-edge technologies like automatic error recognition and correction, enhanced database content understanding, and meticulous selection of high-quality training samples, TCDataAgent attained an impressive score of 75.74 points. Its core module elevates the query accuracy of similar systems by an impressive 18.3%, and this groundbreaking achievement has been featured in the proceedings of the esteemed international database conference VLDB.