diff --git a/non_plat/system_server.te b/non_plat/system_server.te
index e183f50..ff1ec17 100644
--- a/non_plat/system_server.te
+++ b/non_plat/system_server.te
@@ -269,3 +269,7 @@ allow system_server kernel:system syslog_read;
 # Operation : Q Migration
 allow system_server proc_chip:dir search;
 allow system_server zygote:process setsched;
+
+# Date : 2019/11/21
+# Operation : Q Migration
+allow system_server sf_rtt_file:dir rmdir;