Update README.md

xxg1413 · web-flow · commit 383c1ea42acb · 2019-08-20T23:38:42.000+08:00
diff --git a/README.md b/README.md
@@ -19,4 +19,4 @@ python
 
 内测微信群
 
-![](qrcode.png)
+![](qrcode.png =100x100)
