diff --git a/net/ddns-scripts/Makefile b/net/ddns-scripts/Makefile
index 04d25617a..50ab010ef 100755
--- a/net/ddns-scripts/Makefile
+++ b/net/ddns-scripts/Makefile
@@ -508,17 +508,17 @@ endef
 define Package/ddns-scripts_cnkuai_cn/install
 	$(INSTALL_DIR) $(1)/etc/uci-defaults
 	$(INSTALL_BIN) $(PKG_BUILD_DIR)/files/ddns.defaults $(1)/etc/uci-defaults/ddns_cnkuai_cn
+
 	$(INSTALL_DIR) $(1)/usr/lib/ddns
-	$(INSTALL_BIN) $(PKG_BUILD_DIR)/files/update_cnkuai_cn.sh $(1)/usr/lib/ddns
+	$(INSTALL_BIN) ./files/usr/lib/ddns/update_cnkuai_cn.sh \
+		$(1)/usr/lib/ddns
+
+	$(INSTALL_DIR) $(1)/usr/share/ddns/services
+	$(INSTALL_DATA) ./files/usr/share/ddns/services/cnkuai.cn.json \
+		$(1)/usr/share/ddns/services
 endef
 define Package/ddns-scripts_cnkuai_cn/postinst
 	#!/bin/sh
-	# remove old services file entries
-	/bin/sed -i '/cnkuai.cn/d' $${IPKG_INSTROOT}/etc/ddns/services		>/dev/null 2>&1
-	/bin/sed -i '/cnkuai.cn/d' $${IPKG_INSTROOT}/etc/ddns/services_ipv6	>/dev/null 2>&1
-	# and create new
-	printf "%s\\t%s\\n" '"cnkuai.cn"' '"update_cnkuai_cn.sh"' >> $${IPKG_INSTROOT}/etc/ddns/services
-	printf "%s\\t%s\\n" '"cnkuai.cn"' '"update_cnkuai_cn.sh"' >> $${IPKG_INSTROOT}/etc/ddns/services_ipv6
 	# on real system restart service if enabled
 	[ -z "$${IPKG_INSTROOT}" ] && {
 		[ -x /etc/uci-defaults/ddns_cnkuai_cn ] && \
@@ -533,9 +533,6 @@ define Package/ddns-scripts_cnkuai_cn/prerm
 	#!/bin/sh
 	# if NOT run buildroot then stop service
 	[ -z "$${IPKG_INSTROOT}" ] && /etc/init.d/ddns stop				>/dev/null 2>&1
-	# remove services file entries
-	/bin/sed -i 'cnkuai.cn/d' $${IPKG_INSTROOT}/etc/ddns/services		>/dev/null 2>&1
-	/bin/sed -i 'cnkuai.cn/d' $${IPKG_INSTROOT}/etc/ddns/services_ipv6	>/dev/null 2>&1
 	exit 0	# suppress errors
 endef
 
diff --git a/net/ddns-scripts/files/update_cnkuai_cn.sh b/net/ddns-scripts/files/usr/lib/ddns/update_cnkuai_cn.sh
old mode 100755
new mode 100644
similarity index 100%
rename from net/ddns-scripts/files/update_cnkuai_cn.sh
rename to net/ddns-scripts/files/usr/lib/ddns/update_cnkuai_cn.sh
diff --git a/net/ddns-scripts/files/usr/share/ddns/services/cnkuai.cn.json b/net/ddns-scripts/files/usr/share/ddns/services/cnkuai.cn.json
new file mode 100644
index 000000000..1e9bebf5f
--- /dev/null
+++ b/net/ddns-scripts/files/usr/share/ddns/services/cnkuai.cn.json
@@ -0,0 +1,9 @@
+{
+	"name": "cnkuai.cn",
+	"ipv4": {
+		"url": "update_cnkuai_cn.sh"
+	},
+	"ipv6": {
+		"url": "update_cnkuai_cn.sh"
+	}
+}