fix #1 bug

CHANGELOG.md

+# CHANGELOG
+
+## [0.0.4] fix #1
+
+fix request other permission will crash bug
+
 ## [0.0.3] add the thumb size to option
 
 add a params for pick image , thumb size
 
 ## [0.0.2] fix bug
+
 preview sure button bug
 preview bottom safeArea
 

README.md

 if you want to build custom ui, you just need api to make custom ui. to use [photo_manager](https://github.com/CaiJingLong/flutter_photo_manager)
 
 ## screenshot
+
 ![image](https://github.com/CaiJingLong/some_asset/blob/master/image_picker1.gif)
 
 ## install
 
 ```yaml
 dependencies:
-  photo: ^0.0.3
+  photo: ^0.0.4
 ```
 
 ## import
+
 ```dart
 import 'package:photo/photo.dart';
 import 'package:photo_manager/photo_manager.dart';
 ```
 
 ## use
-```dart
 
+```dart
   void _pickImage(BuildContext context) async {
     List<ImageEntity> imgList = await PhotoPicker.pickImage(
       context: context, // BuildContext requied
       /// The following are optional parameters.
       themeColor: Colors.green, // the title color and bottom color
       padding: 5.0, // item padding
-      dividerColor: Colors.deepOrange, // divider color 
+      dividerColor: Colors.deepOrange, // divider color
       disableColor: Colors.grey.shade300, // the check box disable color
       itemRadio: 0.88, // the content item radio
       maxSelected: 8, // max picker image count
       print(e.id);
     });
   }
-
 ```
 
-
 ## about android
 
 ### glide
 
 if you use the proguard
 
-see the [github](https://github.com/bumptech/glide#proguard)
+see the [github](https://github.com/bumptech/glide#proguard)

pubspec.lock

       name: photo_manager
       url: "https://pub.flutter-io.cn"
     source: hosted
-    version: "0.0.2"
+    version: "0.0.3"
   plugin:
     dependency: transitive
     description:

pubspec.yaml

 name: photo
 description: image picker, multi picker,use flutter as ui, if you want to build custom ui,you just use photo_manager.
-version: 0.0.3
+version: 0.0.4
 author: caijinglong<cjl_spy@163.com>
 homepage: https://github.com/CaiJingLong/flutter_photo
 
   flutter:
     sdk: flutter
 
-  photo_manager: ^0.0.2
+  photo_manager: ^0.0.3
 #  photo_manager:
 #    git:
 #      url: https://github.com/CaiJingLong/flutter_photo_manager.git
 
 # The following section is specific to Flutter.
 flutter:
-
   # To add assets to your package, add an assets section, like this:
   # assets:
   #  - images/a_dot_burr.jpeg
   #
   # An image asset can refer to one or more resolution-specific "variants", see
   # https://flutter.io/assets-and-images/#resolution-aware.
-
   # To add custom fonts to your package, add a fonts section here,
   # in this "flutter" section. Each entry in this list should have a
   # "family" key with the font family name, and a "fonts" key with a