紧急修复文字适配问题

lib/flutter_screenutil.dart

@@ -82,6 +82,6 @@ class ScreenUtil {
   ///@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.
   setSp(int fontSize, [allowFontScaling = true]) => allowFontScaling
-      ? setWidth(fontSize) * _pixelRatio * _textScaleFactor
-      : setWidth(fontSize) * _pixelRatio;
+      ? setWidth(fontSize) * _textScaleFactor
+      : setWidth(fontSize);
 }