diff --git a/src/LinguaLeo/Cache/Decorator/HotCacheDecorator.php b/src/LinguaLeo/Cache/Decorator/HotCacheDecorator.php
index 0c362ba..93a1dba 100644
--- a/src/LinguaLeo/Cache/Decorator/HotCacheDecorator.php
+++ b/src/LinguaLeo/Cache/Decorator/HotCacheDecorator.php
@@ -139,6 +139,14 @@ public function flush()
         return $this->cache->flush();
     }
 
+    /**
+     * Flush only hot-cache
+     */
+    public function flushHot()
+    {
+        $this->hot = [];
+    }
+
     /**
      * {@inheritdoc}
      */