diff --git a/luci-theme-argon/luasrc/view/themes/argon/header.htm b/luci-theme-argon/luasrc/view/themes/argon/header.htm
index 9a065c748..bd128743b 100644
--- a/luci-theme-argon/luasrc/view/themes/argon/header.htm
+++ b/luci-theme-argon/luasrc/view/themes/argon/header.htm
@@ -88,7 +88,7 @@
     <meta name="theme-color" content="<%=bar_color%>">
     <link rel="stylesheet" href="<%=media%>/css/cascade.css<%# ?v=PKG_VERSION %>">
     <style title="text/css">
-        <% if mode == 'normal' then %>
+        <% if mode ~= 'dark' then %>
             @media (prefers-color-scheme: dark) {
                 <%=dark_css%>
             }
diff --git a/natflow/Makefile b/natflow/Makefile
index 1fec84ce8..e9a3e8933 100644
--- a/natflow/Makefile
+++ b/natflow/Makefile
@@ -9,10 +9,10 @@ include $(TOPDIR)/rules.mk
 include $(INCLUDE_DIR)/kernel.mk
 
 PKG_NAME:=natflow
-PKG_VERSION:=20221212
+PKG_VERSION:=20221220
 
 PKG_SOURCE_URL:=https://codeload.github.com/ptpt52/natflow/tar.gz/$(PKG_VERSION)?
-PKG_HASH:=b58d1e63ff0c7966f3714f0448ca47fe4a09e0eb592996b367fa8db8be0e6d45
+PKG_HASH:=0c54aaed0a5e89c10454c762cd8623187da37030a6e9bd23df113afd7ad467f5
 PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION).tar.gz
 
 PKG_MAINTAINER:=Chen Minqiang <ptpt52@gmail.com>