diff --git a/cocos/ui/UIEditBox/UIEditBox.cpp b/cocos/ui/UIEditBox/UIEditBox.cpp
index 27e4ccc95b..6ef69b9e74 100644
--- a/cocos/ui/UIEditBox/UIEditBox.cpp
+++ b/cocos/ui/UIEditBox/UIEditBox.cpp
@@ -268,7 +268,7 @@ void EditBox::setPlaceholderFontSize(int fontSize)
     _placeholderFontSize = fontSize;
     if (_editBoxImpl != nullptr && _placeholderFontName.length() > 0)
     {
-        _editBoxImpl->setPlaceholderFont(_placeholderFontName.c_str(), _fontSize);
+        _editBoxImpl->setPlaceholderFont(_placeholderFontName.c_str(), fontSize);
     }
 }
 
diff --git a/cocos/ui/UIEditBox/UIEditBoxImplIOS.mm b/cocos/ui/UIEditBox/UIEditBoxImplIOS.mm
index d78dd0c765..a2456ed125 100644
--- a/cocos/ui/UIEditBox/UIEditBoxImplIOS.mm
+++ b/cocos/ui/UIEditBox/UIEditBoxImplIOS.mm
@@ -395,8 +395,6 @@ void EditBoxImplIOS::setFont(const char* pFontName, int fontSize)
 
 	_label->setSystemFontName(pFontName);
 	_label->setSystemFontSize(fontSize);
-	_labelPlaceHolder->setSystemFontName(pFontName);
-	_labelPlaceHolder->setSystemFontSize(fontSize);
 }
 
 void EditBoxImplIOS::setFontColor(const Color3B& color)
@@ -407,7 +405,8 @@ void EditBoxImplIOS::setFontColor(const Color3B& color)
 
 void EditBoxImplIOS::setPlaceholderFont(const char* pFontName, int fontSize)
 {
-	// TODO: need to be implemented.
+	_labelPlaceHolder->setSystemFontName(pFontName);
+	_labelPlaceHolder->setSystemFontSize(fontSize);
 }
 
 void EditBoxImplIOS::setPlaceholderFontColor(const Color3B& color)