diff --git a/inc/modules/widgets-register.php b/inc/modules/widgets-register.php
index 19a5e2bb..fcde9935 100644
--- a/inc/modules/widgets-register.php
+++ b/inc/modules/widgets-register.php
@@ -10,6 +10,16 @@ defined('ABSPATH') || exit;
 /**
  * Register custom widgets.
  */
+function aksrt_unregister_default_widgets(): void {
+	unregister_widget('WP_Widget_RSS');
+	unregister_widget('WP_Widget_Recent_Posts');
+	unregister_widget('WP_Widget_Recent_Comments');
+	unregister_widget('WP_Widget_Pages');
+	unregister_widget('WP_Widget_Search');
+	unregister_widget('WP_Widget_Calendar');
+}
+add_action('widgets_init', 'aksrt_unregister_default_widgets', 1);
+
 function aksrt_register_widgets() {
 	register_widget('\AKSRT\Widgets\AboutWidget');
 	register_widget('\AKSRT\Widgets\CategoriesWidget');
diff --git a/src/AKSRT/Widgets/AboutWidget.php b/src/AKSRT/Widgets/AboutWidget.php
index dd68d1a1..a1aba833 100644
--- a/src/AKSRT/Widgets/AboutWidget.php
+++ b/src/AKSRT/Widgets/AboutWidget.php
@@ -99,8 +99,13 @@ class AboutWidget extends \WP_Widget {
 		$avatar = get_avatar_url(0, ['size' => 160, 'default' => 'mystery']);
 
 		$oauth_html = '';
-		if (function_exists('\AKSRT\Auth\OAuth') && method_exists(\AKSRT\Auth\OAuth::get_instance(), 'get_login_buttons')) {
-			$oauth_html = \AKSRT\Auth\OAuth::get_instance()->get_login_buttons();
+		if (class_exists('\AKSRT\Auth\OAuth')) {
+			$oauth = \AKSRT\Auth\OAuth::get_instance();
+			if (method_exists($oauth, 'render_social_buttons')) {
+				$oauth_html = (string) $oauth->render_social_buttons(__('社交账号登录', 'aksrt'));
+			} elseif (method_exists($oauth, 'get_login_buttons')) {
+				$oauth_html = (string) $oauth->get_login_buttons();
+			}
 		}
 		?>
 		<div class="aksrt-user-card">
@@ -120,9 +125,9 @@ class AboutWidget extends \WP_Widget {
 				</div>
 
 				<div class="aksrt-user-card__btns">
-					<a class="aksrt-user-card__btn aksrt-user-card__btn--primary" href="<?php echo esc_url($login_url); ?>"><?php esc_html_e('登 录', 'aksrt'); ?></a>
+					<a class="aksrt-user-card__btn aksrt-user-card__btn--primary signin-loader" href="<?php echo esc_url($login_url); ?>"><?php esc_html_e('登 录', 'aksrt'); ?></a>
 					<?php if (get_option('users_can_register')) : ?>
-					<a class="aksrt-user-card__btn aksrt-user-card__btn--outline" href="<?php echo esc_url($register_url); ?>"><?php esc_html_e('注 册', 'aksrt'); ?></a>
+					<a class="aksrt-user-card__btn aksrt-user-card__btn--outline signup-loader" href="<?php echo esc_url($register_url); ?>"><?php esc_html_e('注 册', 'aksrt'); ?></a>
 					<?php endif; ?>
 				</div>
 
diff --git a/src/AKSRT/Widgets/CustomHtmlGapWidget.php b/src/AKSRT/Widgets/CustomHtmlGapWidget.php
index e6d35042..6a02ef61 100644
--- a/src/AKSRT/Widgets/CustomHtmlGapWidget.php
+++ b/src/AKSRT/Widgets/CustomHtmlGapWidget.php
@@ -19,7 +19,7 @@ class CustomHtmlGapWidget extends \WP_Widget {
         $mode = sanitize_key($instance['mode'] ?? 'html');
 
         if ($mode === 'gap') {
-            $height = max(0, min(200, (int) ($instance['gap_height'] ?? 20)));
+            $height = max(0, min(500, (int) ($instance['gap_height'] ?? 20)));
             echo '<div class="widget-custom-gap" style="height:' . (int) $height . 'px;" aria-hidden="true"></div>';
             return;
         }
@@ -51,7 +51,7 @@ class CustomHtmlGapWidget extends \WP_Widget {
         </p>
         <p>
             <label for="<?php echo $this->get_field_id('gap_height'); ?>"><?php esc_html_e('间距高度（px，仅间距模式）:', 'aksrt'); ?></label>
-            <input class="tiny-text" type="number" min="0" max="200" id="<?php echo $this->get_field_id('gap_height'); ?>" name="<?php echo $this->get_field_name('gap_height'); ?>" value="<?php echo (int) ($instance['gap_height'] ?? 20); ?>">
+            <input class="tiny-text" type="number" min="0" max="500" id="<?php echo $this->get_field_id('gap_height'); ?>" name="<?php echo $this->get_field_name('gap_height'); ?>" value="<?php echo (int) ($instance['gap_height'] ?? 20); ?>">
         </p>
         <?php
     }
@@ -61,7 +61,7 @@ class CustomHtmlGapWidget extends \WP_Widget {
             'mode'       => in_array($new_instance['mode'] ?? '', ['html', 'gap'], true) ? $new_instance['mode'] : 'html',
             'title'      => sanitize_text_field($new_instance['title'] ?? ''),
             'content'    => wp_kses_post($new_instance['content'] ?? ''),
-            'gap_height' => max(0, min(200, (int) ($new_instance['gap_height'] ?? 20))),
+            'gap_height' => max(0, min(500, (int) ($new_instance['gap_height'] ?? 20))),
         ];
     }
 }