diff --git a/luci-app-zapret2/htdocs/luci-static/resources/view/zapret2/env.js b/luci-app-zapret2/htdocs/luci-static/resources/view/zapret2/env.js
index 4548f4a..19b1222 100644
--- a/luci-app-zapret2/htdocs/luci-static/resources/view/zapret2/env.js
+++ b/luci-app-zapret2/htdocs/luci-static/resources/view/zapret2/env.js
@@ -31,24 +31,39 @@ return baseclass.extend({
     autoHostListFN    : '/opt/zapret2/ipset/zapret-hosts-auto.txt',
     autoHostListDbgFN : '/opt/zapret2/ipset/zapret-hosts-auto-debug.log',
 
-    load_env: function(dst_obj) {
+    load_env: function(ctx)
+    {
         let env_proto = Object.getPrototypeOf(this);
         Object.getOwnPropertyNames(env_proto).forEach(function(key) {
-            if (key === 'constructor' || key === 'load_env' || key.startsWith('__'))
+            if (key === 'constructor' || key.startsWith('__')) {
                 return;
-            dst_obj[key] = env_proto[key];
+            }
+            if (key === 'load_env' || key === 'load_feat_env') {
+                return;
+            }
+            ctx[key] = env_proto[key];
         });
-        dst_obj.packager = { };
-        if (L.hasSystemFeature('apk')) {
-            dst_obj.packager.name = 'apk';
-            dst_obj.packager.path = '/usr/bin/apk';
-            dst_obj.packager.args = [ 'list', '-I', '*'+this.appName+'*' ];
-        } else {
-            dst_obj.packager.name = 'opkg';
-            dst_obj.packager.path = '/bin/opkg';
-            dst_obj.packager.args = [ 'list-installed', '*'+this.appName+'*' ];
+        ctx.skey_pkg_dict = this.appName + '-pkg-dict';
+        ctx.skey_deffered_action = this.appName + '-deffered-action';
+        try {
+            L.hasSystemFeature('opkg');
+            this.load_feat_env(ctx);
+        } catch(e) {
+            // nothing
         }
-        dst_obj.skey_pkg_dict = this.appName + '-pkg-dict';
-        dst_obj.skey_deffered_action = this.appName + '-deffered-action';
-    }
+    },
+    
+    load_feat_env: function(ctx)
+    {
+        ctx.packager = { };
+        if (L.hasSystemFeature('apk')) {
+            ctx.packager.name = 'apk';
+            ctx.packager.path = '/usr/bin/apk';
+            ctx.packager.args = [ 'list', '-I', '*'+this.appName+'*' ];
+        } else {
+            ctx.packager.name = 'opkg';
+            ctx.packager.path = '/bin/opkg';
+            ctx.packager.args = [ 'list-installed', '*'+this.appName+'*' ];
+        }
+    },
 });
diff --git a/luci-app-zapret2/htdocs/luci-static/resources/view/zapret2/service.js b/luci-app-zapret2/htdocs/luci-static/resources/view/zapret2/service.js
index 3e6b46f..9075031 100644
--- a/luci-app-zapret2/htdocs/luci-static/resources/view/zapret2/service.js
+++ b/luci-app-zapret2/htdocs/luci-static/resources/view/zapret2/service.js
@@ -46,7 +46,8 @@ return view.extend({
         btn.update.disabled  = (error_code == 0) ? flag : false;
     },
 
-    getAppStatus: function() {
+    getAppStatus: function()
+    {
         return Promise.all([
             tools.getInitState(tools.appName),      // svc_boot
             fs.exec(tools.execPath, [ 'enabled' ]), // svc_en
@@ -294,9 +295,9 @@ return view.extend({
 
     load: function()
     {
-        return Promise.all([
-            L.resolveDefault(fs.stat('/bin/cat'), null),
-        ]).then( (data) => {
+        return tools.baseLoad(this, (data) => {
+            //console.log('SYS FEATURES: '+JSON.stringify(data.sys_feat));
+            tools.load_feat_env();
             return this.getAppStatus();
         });
     },
diff --git a/luci-app-zapret2/htdocs/luci-static/resources/view/zapret2/settings.js b/luci-app-zapret2/htdocs/luci-static/resources/view/zapret2/settings.js
index 08b7353..2c3bc13 100644
--- a/luci-app-zapret2/htdocs/luci-static/resources/view/zapret2/settings.js
+++ b/luci-app-zapret2/htdocs/luci-static/resources/view/zapret2/settings.js
@@ -15,11 +15,17 @@ document.head.appendChild(E('link', {
 return view.extend({
     svc_info: null,
 
-    load: function() {
-        return tools.baseLoad();
+    load: function()
+    {
+        return tools.baseLoad(this, (data) => {
+            //console.log('SYS FEATURES: '+JSON.stringify(data.sys_feat));
+            tools.load_feat_env();
+            return data;
+        });
     },
 
-    render: function(data) {
+    render: function(data)
+    {
         if (!data) {
             return;
         }
diff --git a/luci-app-zapret2/htdocs/luci-static/resources/view/zapret2/tools.js b/luci-app-zapret2/htdocs/luci-static/resources/view/zapret2/tools.js
index e860cc7..5631693 100644
--- a/luci-app-zapret2/htdocs/luci-static/resources/view/zapret2/tools.js
+++ b/luci-app-zapret2/htdocs/luci-static/resources/view/zapret2/tools.js
@@ -40,7 +40,12 @@ return baseclass.extend({
         env_tools.load_env(this);
         //console.log('appName: ' + this.appName);
         //console.log('PACKAGER: ' + this.packager.name);
-    }, 
+    },
+
+    load_feat_env: function()
+    {
+        env_tools.load_feat_env(this);
+    },
 
     infoLabelRunning  : '<span class="label-status running">'  + _('Running')  + '</span>',
     infoLabelStarting : '<span class="label-status starting">' + _('Starting') + '</span>',
@@ -189,19 +194,20 @@ return baseclass.extend({
         }
     },
     
-    baseLoad: function(callback, cbarg)
+    baseLoad: function(ctx, callback)
     {
         return Promise.all([
+            L.probeSystemFeatures(),
             this.getSvcInfo(),           // svc_info
             uci.load(this.appName),
         ])
-        .then( ([svcInfo, uci_data]) => {
+        .then( ([ sys_feat, svcInfo, uci_data ]) => {
             let svc_info = this.decodeSvcInfo(svcInfo);
-            let ret = { svc_info, uci_data };
-            if (typeof callback === 'function') {
-                const res = callback(cbarg, ret);
-                if (res && typeof res.then === 'function') {
-                    return res.then(() => ret);
+            let ret = { sys_feat, svc_info, uci_data };
+            if (typeof(callback) === 'function') {
+                const res = callback.call(ctx, ret);
+                if (res && typeof(res.then) === 'function') {
+                    return res.then(() => res);
                 }
                 return ret;
             }