diff --git a/docs/imgs/big-piture.jpg b/docs/imgs/big-picture.jpg
similarity index 100%
rename from docs/imgs/big-piture.jpg
rename to docs/imgs/big-picture.jpg
diff --git a/setup.py b/setup.py
index 9089d09e..2db2db86 100644
--- a/setup.py
+++ b/setup.py
@@ -15,7 +15,7 @@
 
 setup(
     name="zvt",
-    version="0.11.7",
+    version="0.11.9",
     description="unified,modular quant framework for human beings ",
     long_description=long_description,
     url="https://github.com/zvtvz/zvt",