diff --git a/appinfo/info.xml b/appinfo/info.xml
index 4eb5de1..860acf5 100644
--- a/appinfo/info.xml
+++ b/appinfo/info.xml
@@ -8,7 +8,7 @@ Search for torrents within the app from mutiple BT sites;
 Control Aria2 and manage download tasks from the web;
 download videos from 700+ video sites(youtube,youku,vimo,dailymotion,twitter,facebook and the likes
 </description>
-    <version>0.7.0</version>
+    <version>0.7.1</version>
     <licence>agpl</licence>
     <author mail="freefallbenson@gmail.com" homepage="https://github.com/shiningw">jiaxinhuang</author>
     <namespace>NCDownloader</namespace>
diff --git a/lib/Controller/MainController.php b/lib/Controller/MainController.php
index 90e4c41..44e38c1 100644
--- a/lib/Controller/MainController.php
+++ b/lib/Controller/MainController.php
@@ -60,7 +60,8 @@ class MainController extends Controller
         $params['youtube_installed'] = $this->youtube->isInstalled();
         $params['youtube_bin'] = $this->youtube->getBin();
         $params['youtube_executable'] = $this->youtube->isExecutable();
-        $params['ncd_hide_errors'] = $this->settings->get("ncd_hide_errors");
+        $params['ncd_hide_errors'] = $this->settings->get("ncd_hide_errors",null);
+
         
         $params['counter'] = $this->counters->getCounters();
         $params['settings_url'] = $this->urlGenerator->linkToRoute("settings.PersonalSettings.index", ['section' => 'ncdownloader']);
diff --git a/src/index.js b/src/index.js
index 5338bb8..40dcd23 100644
--- a/src/index.js
+++ b/src/index.js
@@ -63,7 +63,7 @@ window.addEventListener('DOMContentLoaded', function () {
     eventHandler.add("click", "#app-navigation", "#search-download", helper.showDownload);
     eventHandler.add("change", "#app-navigation", "#ncd-hide-errors", e => {
         let data = {};
-        data["ncd_hide_errors"] = e.target.checked === "true";
+        data["ncd_hide_errors"] = e.target.checked;
         const url = helper.generateUrl(basePath + "/personal/save");
         Http.getInstance(url).setData(data).setHandler(resp => {
             if (resp['message']) {
diff --git a/src/utils/helper.js b/src/utils/helper.js
index 553264b..b4bbf0b 100644
--- a/src/utils/helper.js
+++ b/src/utils/helper.js
@@ -182,9 +182,11 @@ const helper = {
     showErrors(target) {
         let errors = document.querySelectorAll(target);
         errors.forEach(element => {
-            helper.message(element.getAttribute('data-error-message'), 20000);
+            let msg;
+            if (msg = element.getAttribute('data-error-message'))
+                helper.message(msg, 20000);
         })
-    }
+    },
 }
 
 export default helper
diff --git a/templates/Navigation.php b/templates/Navigation.php
index f0e1c91..118ee8d 100644
--- a/templates/Navigation.php
+++ b/templates/Navigation.php
@@ -1,17 +1,22 @@
 <?php
 extract($_);
-$permission_error = sprintf("aria2 is installed but not executable.Please execute command sudo chmod 755 %s", $aria2_bin);
-if ($youtube_installed && !$youtube_executable) {
-    $ytb_error = sprintf("youtube-dl is installed but not executable.Please execute command sudo chmod 755 %s", $youtube_bin);
-} else if (!$youtube_installed && !$youtube_executable) {
-    $ytb_error = "youtube-dl is not installed!";
+$errors = [];
+if ($aria2_installed && !$aria2_executable) {
+    array_push($errors, sprintf("aria2 is installed but not executable.Please execute command sudo chmod 755 %s", $aria2_bin));
 }
+
+if ($youtube_installed && !$youtube_executable) {
+    array_push($errors, sprintf("youtube-dl is installed but not executable.Please execute command sudo chmod 755 %s", $youtube_bin));
+} else if (!$youtube_installed) {
+    array_push($errors, "youtube-dl is not installed!");
+}
+
 ?>
 <div id="app-navigation">
-    <?php if ($ncd_hide_errors): ?>
-        <?php if (isset($ytb_error)): ?>
-            <div data-error-message="<?php print $l->t($ytb_error);?>"></div>
-        <?php endif;?>
+    <?php if (!$ncd_hide_errors): ?>
+        <?php foreach ($errors as $error): ?>
+            <div data-error-message="<?php print $l->t($error);?>"></div>
+        <?php endforeach;?>
     <?php endif;?>
 
     <div class="app-navigation-new" id="search-download"  data-inputbox="form-input-wrapper">
@@ -27,7 +32,7 @@ if ($youtube_installed && !$youtube_executable) {
         </button>
     </button>
         <?php elseif ($aria2_installed && !$aria2_executable): ?>
-        <button type="button" class="icon-power notinstalled" data-error-message="<?php print $l->t($permission_error);?>">
+        <button type="button" class="icon-power notinstalled" >
             <?php print $l->t("aria2c is installed but not executable");?>
         </button>
         <?php else: ?>
diff --git a/templates/settings/Settings.php b/templates/settings/Settings.php
index 3a94028..10995bf 100644
--- a/templates/settings/Settings.php
+++ b/templates/settings/Settings.php
@@ -1,6 +1,7 @@
 <?php
 extract($_);
 $checked = '';
+$checkbox = $ncd_hide_errors ? "true" : "false";
 if ($ncd_hide_errors) {
     $checked = "checked";
 }
@@ -16,7 +17,7 @@ if ($ncd_hide_errors) {
     <div id="app-settings-content">
         <ul id="ncdownloader-settings-collapsible-container">
         <li class="ncdownloader-settings-item" data-tippy-content="check this to show or suppress errors">
-                <input class="checkbox" type="checkbox" value="<?php print($ncd_hide_errors);?>" <?php print($checked);?> id="ncd-hide-errors"><label for="ncd-hide-errors"><?php p($l->t('Hide Errors'));?></label>
+                <input class="checkbox" type="checkbox" value="<?php print($checkbox);?>" <?php print($checked);?> id="ncd-hide-errors"><label for="ncd-hide-errors"><?php p($l->t('Hide Errors'));?></label>
             </li>
             <li class="ncdownloader-settings-item">
                 <a href="<?php p($l->t($settings_url));?>" title="<?php p($l->t('Personal Settings'));?>" >