diff --git a/hispark_taurus/linux/system/cfg/init.Hi3516DV300.cfg b/hispark_taurus/linux/system/cfg/init.Hi3516DV300.cfg
index 08fd7ced4678926ad83b231ccf5841e597a379e5..bc2918bf0d0446e5f23114796a2c41e4151def9e 100755
--- a/hispark_taurus/linux/system/cfg/init.Hi3516DV300.cfg
+++ b/hispark_taurus/linux/system/cfg/init.Hi3516DV300.cfg
@@ -45,7 +45,8 @@
                 "chown system graphics /dev/mali0",
                 "chown system graphics /dev/graphics/fb0",
                 "chmod 666 /dev/ion",
-                "chown system system /dev/ion"
+                "chown system system /dev/ion",
+                "chown shell root /dev/mmz_userdev"
             ]
         }
     ]