diff --git a/README.md b/README.md
index cb483997..2a08c1e7 100644
--- a/README.md
+++ b/README.md
@@ -1,5 +1,5 @@
 
-<font style="font-size:2em;font-weight:blod;">《后端架构师技术图谱》</font>
+<font style="font-size:3em;font-weight:blod;">《后端架构师技术图谱》</font>
 
 **最后更新于20180427**