diff --git a/BUILD.gn b/BUILD.gn
index 7c04edc9686fa58d3dcb41dca29234365d10c144..6e7760acaf7fca52265e41b23244cb1860577ea1 100644
--- a/BUILD.gn
+++ b/BUILD.gn
@@ -12,6 +12,7 @@
 # FIT FOR A PARTICULAR PURPOSE.
 # See the Mulan PSL v1 for more details.
 #
+#
 group("maple") {
   deps = [
     "${MAPLE_ROOT}/src:maple",