diff --git a/lib/flutter_screenutil.dart b/lib/flutter_screenutil.dart
index 073bafe375bb7729b1e3db02221ce38ca0919f58..d0ea2fc882df7d2fa9061f2fd2474362e66a207c 100644
--- a/lib/flutter_screenutil.dart
+++ b/lib/flutter_screenutil.dart
@@ -87,8 +87,8 @@ class ScreenUtil {
 
   ///字体大小适配方法
   ///@param fontSize 传入设计稿上字体的px ,
-  ///@param allowFontScaling 控制字体是否要根据系统的“字体大小”辅助选项来进行缩放。默认值为true。
-  ///@param allowFontScaling Specifies whether fonts should scale to respect Text Size accessibility settings. The default is true.
+  ///@param allowFontScaling 控制字体是否要根据系统的“字体大小”辅助选项来进行缩放。默认值为false。
+  ///@param allowFontScaling Specifies whether fonts should scale to respect Text Size accessibility settings. The default is false.
   setSp(int fontSize) => allowFontScaling
       ? setWidth(fontSize)
       : setWidth(fontSize) / _textScaleFactor;