diff --git a/images/cup.png b/images/cup.png
deleted file mode 100644
index c25cf32d..00000000
Binary files a/images/cup.png and /dev/null differ
diff --git a/install.bat b/install.bat
index bea89d47..e90e4957 100644
--- a/install.bat
+++ b/install.bat
@@ -1,4 +1,3 @@
 python setup.py bdist_wheel
 pip uninstall pyecharts -y
-pip install -U dist\pyecharts-1.0.0-py2.py3-none-any.whl --no-cache-dir
-
+pip install -U dist/pyecharts-1.0.0-py2.py3-none-any.whl --no-cache-dir