diff --git a/ctp_blogr/static/blog/wonders_cao.png b/ctp_blogr/static/blog/wonders_cao.png
index 7a34367..6abb324 100644
Binary files a/ctp_blogr/static/blog/wonders_cao.png and b/ctp_blogr/static/blog/wonders_cao.png differ
diff --git a/setup.py b/setup.py
index d1d5847..da407f7 100644
--- a/setup.py
+++ b/setup.py
@@ -24,10 +24,7 @@ requires = [
     'wtforms',  # form library 2.2.1
     'webhelpers2',  # various web building related helpers 2.0
     'passlib',
-    'python-magic',
     'markdown',
-    'urllib3==1.26',
-    'yfinance',
 ]
 
 tests_require = [