diff --git a/header.php b/header.php
index e80f6e78..fcbba869 100644
--- a/header.php
+++ b/header.php
@@ -276,8 +276,8 @@ if (!empty($aksrt_bg_styles)) {
 					?>
 
 					<?php if (in_array('pc_nav', $aksrt_theme_toggle_positions, true)) : ?>
-						<button type="button" class="btn-outline theme-toggle-desktop" id="theme-toggle-desktop" title="<?php esc_attr_e('切换亮暗色', 'aksrt'); ?>">
-							<i class="fas fa-adjust" aria-hidden="true"></i>
+						<button type="button" class="btn-outline theme-toggle-desktop toggle-theme toggle-radius" id="theme-toggle-desktop" title="<?php esc_attr_e('切换亮暗色', 'aksrt'); ?>">
+							<i class="fas fa-adjust fa-toggle-theme" aria-hidden="true"></i>
 						</button>
 					<?php endif; ?>
 					</div>
@@ -513,8 +513,8 @@ if (!empty($aksrt_bg_styles)) {
 
 				<?php if (in_array('m_menu', $aksrt_theme_toggle_positions, true)) : ?>
 			<div class="nav-drawer__theme-toggle">
-				<button type="button" class="btn-outline theme-toggle-mobile" id="theme-toggle-mobile" title="<?php esc_attr_e('切换亮暗色', 'aksrt'); ?>">
-					<i class="fas fa-adjust" aria-hidden="true"></i>
+				<button type="button" class="btn-outline theme-toggle-mobile toggle-theme toggle-radius" id="theme-toggle-mobile" title="<?php esc_attr_e('切换亮暗色', 'aksrt'); ?>">
+					<i class="fas fa-adjust fa-toggle-theme" aria-hidden="true"></i>
 					<span><?php esc_html_e('切换主题', 'aksrt'); ?></span>
 				</button>
 			</div>
diff --git a/src/AKSRT/Settings/FacadeBulk.php b/src/AKSRT/Settings/FacadeBulk.php
index 58a91bb6..86e575f0 100644
--- a/src/AKSRT/Settings/FacadeBulk.php
+++ b/src/AKSRT/Settings/FacadeBulk.php
@@ -58,7 +58,8 @@ trait FacadeBulk {
         $s = self::get_all();
 
         return [
-            'enabled' => !empty($s['header_newposts_enabled']),
+            // Default on like zibll nav_newposts when key unset.
+            'enabled' => !isset($s['header_newposts_enabled']) || !empty($s['header_newposts_enabled']),
             'text'    => trim((string) ($s['header_newposts_text'] ?? '<i class="fa fa-pencil"></i> 发布')),
             'radius'  => max(0, min(30, (int) ($s['header_newposts_radius'] ?? 20))),
             'class'   => sanitize_html_class((string) ($s['header_newposts_class'] ?? '')),