diff --git a/contributors/emails/linhk8@mail2.sysu.edu.cn b/contributors/emails/linhk8@mail2.sysu.edu.cn
new file mode 100644
index 0000000000000..21a2b8e886472
--- /dev/null
+++ b/contributors/emails/linhk8@mail2.sysu.edu.cn
@@ -0,0 +1 @@
+lin-hongkuan
diff --git a/contributors/emails/michael@example.com b/contributors/emails/michael@example.com
new file mode 100644
index 0000000000000..a3946a76be9c8
--- /dev/null
+++ b/contributors/emails/michael@example.com
@@ -0,0 +1 @@
+a0000001