go-gorm连接池不起作用，它创建了许多time_wait连接
DB.SingularTable(true)
DB.DB().Ping()
DB.DB().SetMaxIdleConns(10)
DB.DB().SetMaxOpenConns(50)
DB.DB().SetConnMaxLifetime(time.Second * 60)
this is my code, it creates lots of time wait connections
DB.SingularTable(true)
DB.DB().Ping()
DB.DB().SetMaxIdleConns(10)
DB.DB().SetMaxOpenConns(50)
DB.DB().SetConnMaxLifetime(time.Second * 60)
this is my code, it creates lots of time wait connections