diff --git a/v2ray-core/files/etc/uci-defaults/3010-omr-v2ray b/v2ray-core/files/etc/uci-defaults/3010-omr-v2ray
index 3676a2512..a2494b965 100644
--- a/v2ray-core/files/etc/uci-defaults/3010-omr-v2ray
+++ b/v2ray-core/files/etc/uci-defaults/3010-omr-v2ray
@@ -5,7 +5,7 @@ if [ -z "$(uci -q get v2ray.main)" ]; then
 	uci batch <<-EOF
 		set v2ray.main=v2ray
 		set v2ray.main.v2ray_file='/usr/bin/v2ray'
-		set v2ray.main.mem_percentage='0'
+		set v2ray.main.mem_percentage='80'
 		set v2ray.main.loglevel='debug'
 		set v2ray.main.access_log='/dev/null'
 		set v2ray.main.error_log='/dev/null'
@@ -142,5 +142,11 @@ if [ "$(uci -q get v2ray.main.error_log)" != "/dev/null" ]; then
 		commit v2ray
 	EOF
 fi
+if [ "$(uci -q get v2ray.main.mem_percentage)" = "0" ]; then
+	uci -q batch <<-EOF >/dev/null
+		set v2ray.main.mem_percentage='80'
+		commit v2ray
+	EOF
+fi
 
 exit 0
\ No newline at end of file