Fix a missing graph.
diff --git a/content/blog/2020-07-26-apdex-and-skywalking/intro_image.png b/content/blog/2020-07-26-apdex-and-skywalking/intro_image.png
index ab5e4cf..621714e 100644
--- a/content/blog/2020-07-26-apdex-and-skywalking/intro_image.png
+++ b/content/blog/2020-07-26-apdex-and-skywalking/intro_image.png
Binary files differ