diff --git a/i_completed_githug.txt b/i_completed_githug.txt
index ada4ea4..e5ad525 100644
--- a/i_completed_githug.txt
+++ b/i_completed_githug.txt
@@ -20,4 +20,5 @@ Sheng Huang shehuang
 Qing Xie qingxie
 Andy Ye	andyye
 Arpit Jain arpitjQing Xie qingxie
-Greg Smith gresmith
\ No newline at end of file
+Greg Smith gresmithQing Xie qingxie
+Mengyao Chai mengyaoc
\ No newline at end of file
diff --git a/screenshot/mengyaoc.png b/screenshot/mengyaoc.png
new file mode 100644
index 0000000..1693e8d
Binary files /dev/null and b/screenshot/mengyaoc.png differ