diff --git a/MindFlow/applications/data_driven/airfoil/2D_steady/README_CN.md b/MindFlow/applications/data_driven/airfoil/2D_steady/README.md
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rename from MindFlow/applications/data_driven/airfoil/2D_steady/README_CN.md
rename to MindFlow/applications/data_driven/airfoil/2D_steady/README.md