diff --git a/package/lean/luci-app-ssr-plus/Makefile b/package/lean/luci-app-ssr-plus/Makefile
index f9181ecda1..e86015e439 100644
--- a/package/lean/luci-app-ssr-plus/Makefile
+++ b/package/lean/luci-app-ssr-plus/Makefile
@@ -22,6 +22,7 @@ config PACKAGE_$(PKG_NAME)_INCLUDE_Trojan
 config PACKAGE_$(PKG_NAME)_INCLUDE_NaiveProxy
 	bool "Include NaiveProxy"
 	depends on !(arc||armeb||mips||mips64||powerpc)
+	default y if i386||x86_64||arm||aarch64
 
 config PACKAGE_$(PKG_NAME)_INCLUDE_Redsocks2
 	bool "Include Redsocks2"
diff --git a/package/lean/luci-app-ssr-plus/root/etc/init.d/shadowsocksr b/package/lean/luci-app-ssr-plus/root/etc/init.d/shadowsocksr
index 66eb6736db..3a519b325d 100755
--- a/package/lean/luci-app-ssr-plus/root/etc/init.d/shadowsocksr
+++ b/package/lean/luci-app-ssr-plus/root/etc/init.d/shadowsocksr
@@ -205,7 +205,7 @@ gen_config_file() {
 			{
 			"listen": "$PROTO://0.0.0.0:$3",
 			"proxy": "https://$(uci_get_by_name $1 username):$(uci_get_by_name $1 password)@$(uci_get_by_name $1 server):$(uci_get_by_name $1 server_port)",
-			"concurrency": "$4"
+			"concurrency": "${4:-1}"
 			}
 		EOF
 		;;