diff --git a/source/3/3.1/3.1.5/qps.png b/source/3/3.1/3.1.5/qps.png
index 97b12f14..626367c6 100644
Binary files a/source/3/3.1/3.1.5/qps.png and b/source/3/3.1/3.1.5/qps.png differ