diff --git a/readme.md b/readme.md
index 3cb6fad..913aa6e 100644
--- a/readme.md
+++ b/readme.md
@@ -73,7 +73,6 @@ PJ_NGW_S2_090_T80_001/
 │       └── *.step
 ├── 清单/
 │   ├── 零件清单.xlsx
-│   └── 配合说明.txt
 ├── 模组信息表.xlsx
 ├── joint_module_assembly.schema.json  #schema文件
 └── planetary joint_full.example.json  #sop文件