diff --git a/Config/Migration/1769652195_add_index.php b/Config/Migration/1769652195_add_index.php
new file mode 100644
index 0000000..c325b88
--- /dev/null
+++ b/Config/Migration/1769652195_add_index.php
@@ -0,0 +1,60 @@
+<?php
+/**
+ * インデックス追加のみ。
+ *
+ * @package Researchmap\RmNetCommons\Config\Migration
+ */
+class AddIndex1769652195 extends CakeMigration {
+
+/**
+ * Migration description
+ *
+ * @var string
+ */
+	public $description = 'add_index';
+
+/**
+ * Actions to be performed
+ *
+ * @var array $migration
+ */
+	public $migration = array(
+		'up' => array(
+			'create_field' => array(
+				'topics' => array(
+					'indexes' => array(
+						'idx1_p_topics' => array('column' => array('category_id'), 'unique' => 0),
+						'idx2_p_topics' => array('column' => array('frame_id'), 'unique' => 0),
+						'idx3_p_topics' => array('column' => array('language_id', 'room_id','is_latest','is_active','is_in_room','created_user','public_type','publish_start','publish_end'), 'unique' => 0),
+						'idx4_p_topics' => array('column' => array('is_active', 'room_id','public_type','publish_start','publish_end','created_user','id','`plugin_key`(191)'), 'unique' => 0),
+					),
+				),
+			),
+		),
+		'down' => array(
+			'drop_field' => array(
+				'topics' => array('indexes' => array('idx1_p_topics', 'idx2_p_topics', 'idx3_p_topics', 'idx4_p_topics')),
+			),
+		),
+	);
+
+/**
+ * Before migration callback
+ *
+ * @param string $direction Direction of migration process (up or down)
+ * @return bool Should process continue
+ */
+	public function before($direction) {
+		return true;
+	}
+
+/**
+ * After migration callback
+ *
+ * @param string $direction Direction of migration process (up or down)
+ * @return bool Should process continue
+ */
+	public function after($direction) {
+		return true;
+	}
+}
diff --git a/Config/Schema/schema.php b/Config/Schema/schema.php
index 7fd308f..76a052e 100644
--- a/Config/Schema/schema.php
+++ b/Config/Schema/schema.php
@@ -237,6 +237,10 @@ public function after($event = array()) {
 			'plugin_key2' => array('column' => array('plugin_key', 'language_id', 'block_id', 'content_id'), 'unique' => 0),
 			'room_id' => array('column' => 'room_id', 'unique' => 0),
 			'search' => array('column' => array('search_contents'), 'type' => 'fulltext'),
+			'idx1_p_topics' => array('column' => array('category_id'), 'unique' => 0),
+			'idx2_p_topics' => array('column' => array('frame_id'), 'unique' => 0),
+			'idx3_p_topics' => array('column' => array('language_id', 'room_id','is_latest','is_active','is_in_room','created_user','public_type','publish_start','publish_end'), 'unique' => 0),
+			'idx4_p_topics' => array('column' => array('is_active', 'room_id','public_type','publish_start','publish_end','created_user','id','`plugin_key`(191)'), 'unique' => 0),
 		),
 		'tableParameters' => array('charset' => 'utf8', 'collate' => 'utf8_general_ci', 'engine' => 'Mroonga', 'comment' => 'engine "InnoDB"')
 	);