diff --git a/CHANGELOG.md b/CHANGELOG.md
index 4ccd179..b4583b8 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,7 @@
+## 0.4.6
+
+* fix ios release version cannot calc widget width issue
+
 ## 0.4.5
 
 * update README
diff --git a/example/.flutter-plugins-dependencies b/example/.flutter-plugins-dependencies
deleted file mode 100644
index 77d0854..0000000
--- a/example/.flutter-plugins-dependencies
+++ /dev/null
@@ -1 +0,0 @@
-{"info":"This is a generated file; do not edit or check into version control.","plugins":{"ios":[{"name":"video_player","path":"/Users/daniel/.pub-cache/hosted/pub.dartlang.org/video_player-1.0.1/","dependencies":[]},{"name":"wakelock","path":"/Users/daniel/.pub-cache/hosted/pub.dartlang.org/wakelock-0.2.1+1/","dependencies":[]}],"android":[{"name":"video_player","path":"/Users/daniel/.pub-cache/hosted/pub.dartlang.org/video_player-1.0.1/","dependencies":[]},{"name":"wakelock","path":"/Users/daniel/.pub-cache/hosted/pub.dartlang.org/wakelock-0.2.1+1/","dependencies":[]}],"macos":[],"linux":[],"windows":[],"web":[{"name":"import_js_library","path":"/Users/daniel/.pub-cache/hosted/pub.dartlang.org/import_js_library-1.0.2/","dependencies":[]},{"name":"video_player_web","path":"/Users/daniel/.pub-cache/hosted/pub.dartlang.org/video_player_web-0.1.4+1/","dependencies":[]},{"name":"wakelock_web","path":"/Users/daniel/.pub-cache/hosted/pub.dartlang.org/wakelock_web-0.1.0+3/","dependencies":["import_js_library"]}]},"dependencyGraph":[{"name":"import_js_library","dependencies":[]},{"name":"video_player","dependencies":["video_player_web"]},{"name":"video_player_web","dependencies":[]},{"name":"wakelock","dependencies":["wakelock_web"]},{"name":"wakelock_web","dependencies":["import_js_library"]}],"date_created":"2021-01-20 18:43:32.283455","version":"1.22.5"}
\ No newline at end of file
diff --git a/example/.gitignore b/example/.gitignore
index 07488ba..a300c32 100644
--- a/example/.gitignore
+++ b/example/.gitignore
@@ -22,6 +22,7 @@
 **/doc/api/
 .dart_tool/
 .flutter-plugins
+.flutter-plugins-dependencies
 .packages
 .pub-cache/
 .pub/
diff --git a/example/pubspec.lock b/example/pubspec.lock
index 110b24a..d8434c8 100644
--- a/example/pubspec.lock
+++ b/example/pubspec.lock
@@ -82,7 +82,7 @@ packages:
       path: ".."
       relative: true
     source: path
-    version: "0.4.5"
+    version: "0.4.6"
   flutter_test:
     dependency: "direct dev"
     description: flutter
diff --git a/lib/flutter_barrage.dart b/lib/flutter_barrage.dart
index 8f6f805..945af02 100644
--- a/lib/flutter_barrage.dart
+++ b/lib/flutter_barrage.dart
@@ -211,8 +211,10 @@ class _BarrageState extends State<BarrageWall> with TickerProviderStateMixin {
               widgetWidth = box?.size?.width;
             }
 
+            // 通过计算出的 widget width 在判断弹幕完全移出了可视区域
             if (box != null &&
                 RenderObject.debugActiveLayout == null &&
+                widgetWidth > 0 &&
                 animation.value > (fixedWidth + widgetWidth)) {
               _lastBullets[nextChannel]?.updateWith(position: double.infinity);
               return const SizedBox();
diff --git a/pubspec.yaml b/pubspec.yaml
index 157942f..b26ddd9 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -1,6 +1,6 @@
 name: flutter_barrage
 description: A new barrage package project. Used to send bullet(danmu) to a container.
-version: 0.4.5
+version: 0.4.6
 homepage: https://github.com/danielwii/flutter_barrage.git
 
 environment: