ERNIE/applications/task/text_classification：infer阶段vocab.txt是否只支持40000个词？

[alice-create]

(ValueError: (invalidargument) variable value (input) of op(fluid.layers.embedding) expected >= 0 and < 40000, but got 40240. please check input value.)

我替换了自己的词表后，有40240个词，训练阶段（run_trainer）没问题，但是infer阶段出现了如上报错。 所以，vocab.txt最多只能有40000个词吗？

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