diff --git a/conf/local.conf.sample b/conf/local.conf.sample
index 3feeaa204df5b3d8c9fb8f3640d48e0029a32a61..51b8806c5c1446dcf94c851d3fab32bfdd4b537f 100644
--- a/conf/local.conf.sample
+++ b/conf/local.conf.sample
@@ -62,3 +62,11 @@ DISTRO ?= "oniro-openharmony-linux"
 #
 INHERIT += "rm_work"
 RM_WORK_EXCLUDE += "qemu-helper-native"
+
+#
+# Use source mirror in China
+#
+# Uncomment this if you are building in China, and/or have trouble fetching sources.
+#
+#INHERIT += "own-mirrors"
+#SOURCE_MIRROR_URL = "http://114.116.235.68/source-mirror"