diff --git a/models/treebased/tdm/gen_tree/README.md b/models/treebased/tdm/gen_tree/README.md
index 0444c4004e2c6a312ab6f3e23f79488dc04133c8..7ffc001962229c3a18765ec85db6b431a4fe1f65 100644
--- a/models/treebased/tdm/gen_tree/README.md
+++ b/models/treebased/tdm/gen_tree/README.md
@@ -2,7 +2,7 @@
 
 ## 建树所需环境
 Requirements:
-- python >= 2.7
+- python == 2.7
 - paddlepaddle >= 1.7.2（建议1.7.2）
 - paddle-rec （克隆github paddlerec，执行python setup.py install）
 - sklearn