@@ -27,14 +27,17 @@ class Class_Rucy_Setting {

                 $is_different = true;

             }

             $is_update = $component->update_support_post_type( $post_support_posts );

-            if ( $is_different && $is_update ) {

-                // 更新完了

-            } else if ( $is_different && !$is_update ) {

+            if ( ( $is_different === false && $is_update === false ) || ( $is_different && $is_update ) ) {

+                // 更新完了 or 同じ値で更新した

+                set_transient( RC_SETTING_UPDATE, array( __( 'Success to setting update.', RC_TXT_DOMAIN ) ), 10 );

+            } else if ( $is_different && $is_update === false ) {

                 // 更新失敗

-            } else if ( !$is_different && !$is_update ) {

-                // 同じ値で更新した

+                $e = new WP_Error();

+                $e->add( 'error', __( 'Failed to setting update.', RC_TXT_DOMAIN ) );

+                set_transient( RC_SETTING_ERROR, $e->get_error_messages(), 10 );

             }

             $support_post_type = $component->get_support_post_type();

+            wp_safe_redirect( menu_page_url( 'rucy', false ) );

         }

 ?>

 <div class="wrap">

@@ -44,7 +47,7 @@ class Class_Rucy_Setting {

         <?php wp_nonce_field('update-options'); ?>

         <table class="form-table">

             <tr class="">

-                <th><?php _e( 'post type', RC_TXT_DOMAIN ); ?><br><small>*<?php _e( 'Require', RC_TXT_DOMAIN ); ?></small></th>

+                <th><?php _e( 'post type', RC_TXT_DOMAIN ); ?></th>

                 <td>

                     <ul>

                         <?php foreach ( $post_types as $key => $post_type ) { 

@@ -65,4 +68,22 @@ class Class_Rucy_Setting {

 </div>

 <?php 

     }

+    

+    public function set_admin_notices() {

+        $message_class = "";

+        if ( $messages = get_transient( RC_SETTING_UPDATE ) ) {

+            $message_class = 'updated';

+        } else if ( $messages = get_transient( RC_SETTING_ERROR ) ) {

+            $message_class = 'error';

+        }

+?>

+<div class="<?php echo $message_class; ?>">

+    <ul>

+    <?php foreach ( $messages as $message ): ?>

+        <li><?php echo esc_html( $message );  ?></li>

+    <?php endforeach; ?>

+    </ul>

+</div>

+<?php 

+    }

 }

@@ -14,6 +14,8 @@ define( 'RC_PLUGIN_DIR',  untrailingslashit( dirname( __FILE__ ) ) );

 define( 'RC_SETTING_OPTION_KEY', 'rucy_post_type' );

 define( 'RC_TXT_DOMAIN', 'rucy' );

 define( 'RC_CRON_HOOK', 'rucy_update_reserved_content' );

+define( 'RC_SETTING_UPDATE', 'rucy_setting_update' );

+define( 'RC_SETTING_ERROR', 'rucy_setting_error' );

 load_plugin_textdomain( RC_TXT_DOMAIN, false, 'rucy/lang' );

 require_once RC_PLUGIN_DIR . '/inc/class-rucy-component.php';

@@ -28,6 +30,7 @@ class Rucy_Class {

         add_action( 'wp_admin', array( $this, 'enqueue_pointer_menu' ) );

         $setting = new Class_Rucy_Setting();

         add_action( 'admin_menu', array( $setting, 'set_admin_menu' ) );

+        add_action( 'admin_notices', array( $setting, 'set_admin_notices' ) );

     }

     public function activate_plugin() {