diff --git a/config/config.inc.php b/config/config.inc.php
index 4ac8edf2f..4132b5d71 100644
--- a/config/config.inc.php
+++ b/config/config.inc.php
@@ -87,6 +87,9 @@ else
  * define('__DEBUG_PROTECT_IP__', '127.0.0.1');
  * define('__DEBUG_DB_OUTPUT__', 0);
  * define('__LOG_SLOW_QUERY__', 0);
+ * define('__LOG_SLOW_TRIGGER__', 0);
+ * define('__LOG_SLOW_ADDON__', 0);
+ * define('__LOG_SLOW_WIDGET__', 0);
  * define('__OB_GZHANDLER_ENABLE__', 1);
  * define('__ENABLE_PHPUNIT_TEST__', 0);
  * define('__PROXY_SERVER__', 'http://domain:port/path');
@@ -167,12 +170,54 @@ if(!defined('__LOG_SLOW_QUERY__'))
 	 * <pre>
 	 * 0: Do not leave a log
 	 * = 0: leave a log when the slow query takes over specified seconds
-	 * Log file is saved as ./files/_db_slow_query.php file
+	 * Log file is saved as ./files/_slowlog_query.php file
 	 * </pre>
 	 */
 	define('__LOG_SLOW_QUERY__', 0);
 }
 
+if(!defined('__LOG_SLOW_TRIGGER__'))
+{
+	/**
+	 * Trigger excute time log
+	 *
+	 * <pre>
+	 * 0: Do not leave a log
+	 * > 0: leave a log when the trigger takes over specified milliseconds
+	 * Log file is saved as ./files/_slowlog_trigger.php
+	 * </pre>
+	 */
+	define('__LOG_SLOW_TRIGGER__', 0);
+}
+
+if(!defined('__LOG_SLOW_ADDON__'))
+{
+	/**
+	 * Addon excute time log
+	 *
+	 * <pre>
+	 * 0: Do not leave a log
+	 * > 0: leave a log when the trigger takes over specified milliseconds
+	 * Log file is saved as ./files/_slowlog_addon.php
+	 * </pre>
+	 */
+	define('__LOG_SLOW_ADDON__', 0);
+}
+
+if(!defined('__LOG_SLOW_WIDGET__'))
+{
+	/**
+	 * Widget excute time log
+	 *
+	 * <pre>
+	 * 0: Do not leave a log
+	 * > 0: leave a log when the widget takes over specified milliseconds
+	 * Log file is saved as ./files/_slowlog_widget.php
+	 * </pre>
+	 */
+	define('__LOG_SLOW_WIDGET__', 0);
+}
+
 if(!defined('__DEBUG_QUERY__'))
 {
 	/**