diff --git a/cocos/2d/CCLabel.cpp b/cocos/2d/CCLabel.cpp
index dc4e469a2a..068194664d 100644
--- a/cocos/2d/CCLabel.cpp
+++ b/cocos/2d/CCLabel.cpp
@@ -1373,7 +1373,7 @@ void Label::updateContent()
         if (_fontAtlas)
         {
             _batchNodes.clear();
-
+            CC_SAFE_RELEASE_NULL(_reusedLetter);
             FontAtlasCache::releaseFontAtlas(_fontAtlas);
             _fontAtlas = nullptr;
         }