尝试使用 JDBC:mysql://{TiDBIP}:{TiDBPort}/{DBName}?characterEncoding=utf8&useSSL=false&useServerPrepStmts=true&cachePrepStmts=true&prepStmtCacheSqlLimit=10000000&useConfigs=maxPerformance&rewriteBatchedStatements=true&defaultfetchsize=-2147483648
（JDBC Driver 5.1 兼容性较好）