null safety

李卓原 · 李卓原 · commit 5e89e8c01f30 · 2020-12-16T20:40:15.000+08:00
diff --git a/CHANGELOG.md b/CHANGELOG.md
@@ -1,6 +1,9 @@
 # 5.0.0-nullsafety.0
 - Migrated flutter_screenutil to non-nullable
 
+# 4.0.0
+- Upgrade to 4.0.0
+
 # 4.0.0-beta3
 - Optimize the way of initialization
 
diff --git a/README.md b/README.md
@@ -23,7 +23,7 @@ dependencies:
   flutter:
     sdk: flutter
   # add flutter_screenutil
-  flutter_screenutil: ^4.0.0-beta3
+  flutter_screenutil: ^5.0.0-nullsafety.0
 ```
 ### Add the following imports to your Dart code:
 ```dart
diff --git a/README_CN.md b/README_CN.md
@@ -28,7 +28,7 @@ dependencies:
   flutter:
     sdk: flutter
   # 添加依赖
-  flutter_screenutil: ^4.0.0-beta3
+  flutter_screenutil: ^5.0.0-nullsafety.0
 ```
 ### 在每个使用的地方导入包：
 ```dart
diff --git a/README_PT.md b/README_PT.md
@@ -24,7 +24,7 @@ dependencies:
   flutter:
     sdk: flutter
   # add flutter_screenutil
-  flutter_screenutil: ^4.0.0-beta3
+  flutter_screenutil: ^5.0.0-nullsafety.0
 ```
 
 ### Adicione o seguinte import em seu código Dart:
