diff --git a/examples/iwslt2012/punc0/conf/ernie-3.0-nano-zh b/examples/iwslt2012/punc0/conf/ernie-3.0-nano-zh.yaml
similarity index 100%
rename from examples/iwslt2012/punc0/conf/ernie-3.0-nano-zh
rename to examples/iwslt2012/punc0/conf/ernie-3.0-nano-zh.yaml