diff --git a/curriculum/challenges/chinese/12-certificates/apis-and-microservices-certificate/apis-and-microservices-certificate.markdown b/curriculum/challenges/chinese/12-certificates/apis-and-microservices-certificate/apis-and-microservices-certificate.yml similarity index 100% rename from curriculum/challenges/chinese/12-certificates/apis-and-microservices-certificate/apis-and-microservices-certificate.markdown rename to curriculum/challenges/chinese/12-certificates/apis-and-microservices-certificate/apis-and-microservices-certificate.yml diff --git a/curriculum/challenges/chinese/12-certificates/data-analysis-with-python-certificate/data-analysis-with-python-certificate.markdown b/curriculum/challenges/chinese/12-certificates/data-analysis-with-python-certificate/data-analysis-with-python-certificate.yml similarity index 100% rename from curriculum/challenges/chinese/12-certificates/data-analysis-with-python-certificate/data-analysis-with-python-certificate.markdown rename to 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