diff --git a/template/index.php b/template/index.php
index 8c9369f..f69e072 100644
--- a/template/index.php
+++ b/template/index.php
@@ -1,4 +1,4 @@
-<?php
+<?php /** @noinspection ALL */
 $register_targets = MTEE::register_target();
 $opt              = get_option( '_mtee' );
 ?>
@@ -34,31 +34,31 @@ $opt              = get_option( '_mtee' );
                     <dt>投稿</dt>
                     <dd>
                         <input class="mtee_keywords_tmp" type="text" name="_mtee[keywords_tmp][post]"
-                               value="<?php echo esc_attr( $opt['keywords_tmp']['post'] ); ?>"
+                               value="<?php echo esc_attr( $opt['keywords_tmp']['post'] ?? '' ); ?>"
                                placeholder="##title##,##category##,##tag##,##custom_tax##,##description##,##site_name##"
                     </dd>
                     <dt>ページ</dt>
                     <dd>
                         <input class="mtee_keywords_tmp" type="text" name="_mtee[keywords_tmp][page]"
-                               value="<?php echo esc_attr( $opt['keywords_tmp']['page'] ); ?>"
+                               value="<?php echo esc_attr( $opt['keywords_tmp']['page'] ?? '' ); ?>"
                                placeholder="##title##,##description##,##site_name##"
                     </dd>
                     <dt>カテゴリー</dt>
                     <dd>
                         <input class="mtee_keywords_tmp" type="text" name="_mtee[keywords_tmp][category]"
-                               value="<?php echo esc_attr( $opt['keywords_tmp']['category'] ); ?>"
+                               value="<?php echo esc_attr( $opt['keywords_tmp']['category'] ?? '' ); ?>"
                                placeholder="##title##,##description##,##site_name##">
                     </dd>
                     <dt>タグ</dt>
                     <dd>
                         <input class="mtee_keywords_tmp" type="text" name="_mtee[keywords_tmp][tag]"
-                               value="<?php echo esc_attr( $opt['keywords_tmp']['tag'] ); ?>"
+                               value="<?php echo esc_attr( $opt['keywords_tmp']['tag'] ?? '' ); ?>"
                                placeholder="##title##,##description##,##site_name##">
                     </dd>
                     <dt>カスタム分類</dt>
                     <dd>
                         <input class="mtee_keywords_tmp" type="text" name="_mtee[keywords_tmp][tax]"
-                               value="<?php echo esc_attr( $opt['keywords_tmp']['tax'] ); ?>"
+                               value="<?php echo esc_attr( $opt['keywords_tmp']['tax'] ?? '' ); ?>"
                                placeholder="##title##,##description##,##site_name##">
                     </dd>
                 </dl>
@@ -86,25 +86,25 @@ $opt              = get_option( '_mtee' );
                     <dt>ページ／投稿</dt>
                     <dd>
                         <input class="mtee_description_tmp" type="text" name="_mtee[description_tmp][page]"
-                               value="<?php echo esc_attr( $opt['description_tmp']['page'] ); ?>"
+                               value="<?php echo esc_attr( $opt['description_tmp']['page'] ?? '' ); ?>"
                                placeholder="##site_name##の<?php echo esc_attr( MTEE_CONFIG::MTEE_META_DESC_BEFORE_BRACKETS ); ?>##title##<?php echo esc_attr( MTEE_CONFIG::MTEE_META_DESC_AFTER_BRACKETS ); ?><?php echo esc_attr( MTEE_CONFIG::MTEE_META_DESC_SINGLE_BASE ); ?>"
                     </dd>
                     <dt>カテゴリー</dt>
                     <dd>
                         <input class="mtee_description_tmp" type="text" name="_mtee[description_tmp][category]"
-                               value="<?php echo esc_attr( $opt['description_tmp']['category'] ); ?>"
+                               value="<?php echo esc_attr( $opt['description_tmp']['category'] ?? '' ); ?>"
                                placeholder="##site_name##の<?php echo esc_attr( MTEE_CONFIG::MTEE_META_DESC_BEFORE_BRACKETS ); ?>##title##<?php echo esc_attr( MTEE_CONFIG::MTEE_META_DESC_AFTER_BRACKETS ); ?><?php echo esc_attr( MTEE_CONFIG::MTEE_META_DESC_ARCHIVE_BASE ); ?>">
                     </dd>
                     <dt>タグ</dt>
                     <dd>
                         <input class="mtee_description_tmp" type="text" name="_mtee[description_tmp][tag]"
-                               value="<?php echo esc_attr( $opt['description_tmp']['tag'] ); ?>"
+                               value="<?php echo esc_attr( $opt['description_tmp']['tag'] ?? '' ); ?>"
                                placeholder="##site_name##の<?php echo esc_attr( MTEE_CONFIG::MTEE_META_DESC_BEFORE_BRACKETS ); ?>##title##<?php echo esc_attr( MTEE_CONFIG::MTEE_META_DESC_AFTER_BRACKETS ); ?><?php echo esc_attr( MTEE_CONFIG::MTEE_META_DESC_ARCHIVE_BASE ); ?>">
                     </dd>
                     <dt>カスタム分類</dt>
                     <dd>
                         <input class="mtee_description_tmp" type="text" name="_mtee[description_tmp][tax]"
-                               value="<?php echo esc_attr( $opt['description_tmp']['tax'] ); ?>"
+                               value="<?php echo esc_attr( $opt['description_tmp']['tax'] ?? '' ); ?>"
                                placeholder="##site_name##の<?php echo esc_attr( MTEE_CONFIG::MTEE_META_DESC_BEFORE_BRACKETS ); ?>##title##<?php echo esc_attr( MTEE_CONFIG::MTEE_META_DESC_AFTER_BRACKETS ); ?><?php echo esc_attr( MTEE_CONFIG::MTEE_META_DESC_ARCHIVE_BASE ); ?>">
                     </dd>
                 </dl>