fix AttributeError
fix AttributeError

fix "AttributeError: 'BaseList' object has no attribute 'order_by'"

dongweiming/firefly,thcode/firefly,matrixorz/firefly,python-cn/firefly,halfcrazy/firefly,matrixorz/firefly,Junnplus/firefly,mozillazg/firefly,python-cn/firefly,Junnplus/firefly,thcode/firefly,dongweiming/firefly,python-cn/firefly,ruitian/firefly,killpanda/firefly,thcode/firefly,matrixorz/firefly,thcode/firefly,Junnplus/firefly,ruitian/firefly,halfcrazy/firefly,killpanda/firefly,halfcrazy/firefly,killpanda/firefly,mozillazg/firefly,Junnplus/firefly,ruitian/firefly,killpanda/firefly,mozillazg/firefly,halfcrazy/firefly,dongweiming/firefly,python-cn/firefly,ruitian/firefly