spring.datasource.url
jdbc:mysql://xxxxx:xxxx/test?useUnicode=true&characterEncoding=utf-8&allowMultiQueries=true&uselegacyDatetimeCode=false&serverTimezone=UTC&useServerPrepStmts=true&cachePrepStmts=true&useConfig=maxPerformance&prepStmtCacheSize=1000&prepStmtCacheSqlLimit=2048