diff --git a/git-blame-ignore-revs b/git-blame-ignore-revs
new file mode 100644
index 000000000..570194403
--- /dev/null
+++ b/git-blame-ignore-revs
@@ -0,0 +1,2 @@
+# reformat apps/emqx
+91bcf02970bd1fe0dfe06744a24aa8a149ac0052