diff --git a/htdocs/luci-static/resources/view/homeproxy/node.js b/htdocs/luci-static/resources/view/homeproxy/node.js
index e612256..b201094 100644
--- a/htdocs/luci-static/resources/view/homeproxy/node.js
+++ b/htdocs/luci-static/resources/view/homeproxy/node.js
@@ -450,7 +450,14 @@ return view.extend({
 			}
 		}
 		o.onclick = function() {
-			/* TODO: add corresponding script. */
+			var _this = this;
+
+			return fs.exec('/etc/homeproxy/scripts/subscribe.lua').then(function (res) {
+				return location.reload();
+			}).catch(function (err) {
+				ui.addNotification(null, E('p', _('An error occurred during updating subscriptions: %s').format(err)));
+				return _this.map.reset();
+			});
 		}
 
 		o = s.option(form.Button, '_remove_subscriptions', _('Remove all nodes from subscriptions'));
diff --git a/root/etc/homeproxy/scripts/subscribe.lua b/root/etc/homeproxy/scripts/subscribe.lua
index b62d4ce..a5e0f3b 100755
--- a/root/etc/homeproxy/scripts/subscribe.lua
+++ b/root/etc/homeproxy/scripts/subscribe.lua
@@ -520,7 +520,7 @@ local function main()
 		local first_server = uci:get_first(uciname, ucisection)
 		if first_server then
 			if not uci:get(uciname, main_server) then
-				uci:set(uciname, "config", "main_server", first_server[".name"])
+				uci:set(uciname, "config", "main_server", first_server)
 				need_restart = true
 				log("Main node is gone, switching to first node.")
 			end
@@ -528,7 +528,7 @@ local function main()
 			local udp_server = uci:get(uciname, "config", "main_udp_server", "null")
 			if udp_server ~= "nil" and udp_server ~= "null" then
 				if not uci:get(uciname, udp_server) then
-					uci:set(uciname, "config", "main_udp_server", first_server[".name"])
+					uci:set(uciname, "config", "main_udp_server", first_server)
 					need_restart = true
 					log("UDP node is gone, switching to main node.")
 				end
@@ -553,7 +553,7 @@ end
 
 if notEmpty(subscription_urls) then
 	xpcall(main, function(e)
-		log("Errors occurred during updating subscriptions:")
+		log("An error occurred during updating subscriptions:")
 		log(e)
 		log(debug.traceback())
 
diff --git a/root/usr/share/rpcd/acl.d/luci-app-homeproxy.json b/root/usr/share/rpcd/acl.d/luci-app-homeproxy.json
index 8b35682..3615841 100644
--- a/root/usr/share/rpcd/acl.d/luci-app-homeproxy.json
+++ b/root/usr/share/rpcd/acl.d/luci-app-homeproxy.json
@@ -3,7 +3,7 @@
 		"description": "Grant access to homeproxy configuration",
 		"read": {
 			"file": {
-				"/etc/homeproxy/*": [ "read" ],
+				"/etc/homeproxy/scripts/subscribe.lua": [ "exec" ],
 				"/usr/bin/which": [ "exec" ],
 				"/bin/mkdir -p /etc/homeproxy/certs/": [ "exec" ]
 			},
@@ -14,7 +14,9 @@
 		},
 		"write": {
 			"file": {
-				"/etc/homeproxy/*": [ "write" ]
+				"/etc/homeproxy/certs/client_ca.pem": [ "write" ],
+				"/etc/homeproxy/certs/server_publickey.pem": [ "write" ],
+				"/etc/homeproxy/certs/server_privatekey.pem": [ "write" ]
 			},
 			"uci": [ "homeproxy" ]
 		}