model.all not get all object correctly

[xiaods]

i create model Chart, alike : class Chart < Remodel::Entity property :title, :class => 'String' end

after create records. i will query all record,but return [] always. not sure what happen.

Chart.all return: []

but use redis-monitor: +1305707783.656273 (db 15) "keys" "c:*" +1305707783.657343 (db 15) "mget" "["c:1", "c:2", "c:3", "c:4", "c:5"]"