diff --git a/README.md b/README.md
index c282b6d..32a0d85 100644
--- a/README.md
+++ b/README.md
@@ -10,7 +10,7 @@ pip install qifiaccount
 
 ### 用法:
 
-参见 http://localhost:8889/notebooks/QIFIAccount/QIFI_QAPOS.ipynb#
+参见 /usage 文件夹下的ipython notebook
 
 ```python
 
diff --git a/QIFI_QAPOS.ipynb b/usage/QIFI_QAPOS.ipynb
similarity index 100%
rename from QIFI_QAPOS.ipynb
rename to usage/QIFI_QAPOS.ipynb
diff --git "a/QIF\347\212\266\346\200\201\346\201\242\345\244\215.ipynb" "b/usage/QIF\347\212\266\346\200\201\346\201\242\345\244\215.ipynb"
similarity index 100%
rename from "QIF\347\212\266\346\200\201\346\201\242\345\244\215.ipynb"
rename to "usage/QIF\347\212\266\346\200\201\346\201\242\345\244\215.ipynb"