diff --git a/README.md b/README.md
index 641aedb..c13eda0 100644
--- a/README.md
+++ b/README.md
@@ -12,6 +12,12 @@ Laravel Query Logger will be enabled when `APP_DEBUG` is `true`.
 
 > Please keep the `--dev` option.
 
+Publish configuration file (optional) to select the size in seconds minimum to log.
+
+```
+php artisan vendor:publish --provider="Overtrue\LaravelQueryLogger\ServiceProvider"
+```
+
 ## Usage
 
 ```shell
diff --git a/src/ServiceProvider.php b/src/ServiceProvider.php
index 7931e3f..d39e446 100644
--- a/src/ServiceProvider.php
+++ b/src/ServiceProvider.php
@@ -23,6 +23,16 @@ class ServiceProvider extends LaravelServiceProvider
      */
     public function boot()
     {
+        // Config files
+        $this->publishes([realpath(__DIR__).'/config/query-logger.php' => config_path('query-logger.php')], 'config');
+        $this->mergeConfigFrom(realpath(__DIR__).'/config/query-logger.php', 'query-logger');
+
+        // Disable if config is false
+        if (false === config('query-logger.enabled', true)) {
+            return;
+        }
+
+        // Start code
         if (!$this->app['config']->get('app.debug')) {
             return;
         }
@@ -33,9 +43,14 @@ public function boot()
             $bindings = $query->connection->prepareBindings($query->bindings);
             $pdo = $query->connection->getPdo();
             $realSql = vsprintf($sqlWithPlaceholders, array_map([$pdo, 'quote'], $bindings));
-            $duration = $this->formatDuration($query->time / 1000);
+            $max_miliseconds = config('query-logger.miliseconds', 0);
+            $seconds = $query->time / 1000;
+            $duration = $this->formatDuration($seconds);
+            $miliseconds = $seconds * 1000;
 
-            Log::debug(sprintf('[%s] %s | %s: %s', $duration, $realSql, request()->method(), request()->getRequestUri()));
+            if ($miliseconds >= $max_miliseconds) {
+                Log::debug(sprintf('[%s] %s | %s: %s', $duration, $realSql, request()->method(), request()->getRequestUri()));
+            }
         });
     }
 
diff --git a/src/config/query-logger.php b/src/config/query-logger.php
new file mode 100644
index 0000000..2876de8
--- /dev/null
+++ b/src/config/query-logger.php
@@ -0,0 +1,24 @@
+<?php
+
+/*
+ * This file is part of the overtrue/laravel-query-logger.
+ *
+ * (c) overtrue <i@overtrue.me>
+ *
+ * This source file is subject to the MIT license that is bundled
+ * with this source code in the file LICENSE.
+ */
+
+return [
+    /*
+     * Enable or disable
+     */
+
+    'enabled' => env('QUERY_LOGGER_ENABLED', true),
+
+    /*
+     * Min size of query to log in miliseconds
+     */
+
+    'miliseconds' => 0,
+];