diff --git a/CHANGELOG.md b/CHANGELOG.md
index b639ede..4a18dca 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -4,3 +4,6 @@
 
 ## 1.0.0
 * init release
+
+## 1.0.1
+* add check mounted when setState
diff --git a/example/pubspec.lock b/example/pubspec.lock
index c3b4a17..9b9a4ec 100644
--- a/example/pubspec.lock
+++ b/example/pubspec.lock
@@ -7,14 +7,14 @@ packages:
       name: async
       url: "https://pub.flutter-io.cn"
     source: hosted
-    version: "2.2.0"
+    version: "2.3.0"
   boolean_selector:
     dependency: transitive
     description:
       name: boolean_selector
       url: "https://pub.flutter-io.cn"
     source: hosted
-    version: "1.0.4"
+    version: "1.0.5"
   charcode:
     dependency: transitive
     description:
@@ -47,7 +47,7 @@ packages:
       path: ".."
       relative: true
     source: path
-    version: "1.0.0"
+    version: "1.0.1"
   flutter_test:
     dependency: "direct dev"
     description: flutter
@@ -66,28 +66,28 @@ packages:
       name: meta
       url: "https://pub.flutter-io.cn"
     source: hosted
-    version: "1.1.6"
+    version: "1.1.7"
   path:
     dependency: transitive
     description:
       name: path
       url: "https://pub.flutter-io.cn"
     source: hosted
-    version: "1.6.2"
+    version: "1.6.4"
   pedantic:
     dependency: transitive
     description:
       name: pedantic
       url: "https://pub.flutter-io.cn"
     source: hosted
-    version: "1.7.0"
+    version: "1.8.0+1"
   quiver:
     dependency: transitive
     description:
       name: quiver
       url: "https://pub.flutter-io.cn"
     source: hosted
-    version: "2.0.3"
+    version: "2.0.5"
   sky_engine:
     dependency: transitive
     description: flutter
@@ -120,7 +120,7 @@ packages:
       name: string_scanner
       url: "https://pub.flutter-io.cn"
     source: hosted
-    version: "1.0.4"
+    version: "1.0.5"
   term_glyph:
     dependency: transitive
     description:
diff --git a/lib/flutter_gifimage.dart b/lib/flutter_gifimage.dart
index 73c7672..4fefcf0 100644
--- a/lib/flutter_gifimage.dart
+++ b/lib/flutter_gifimage.dart
@@ -102,7 +102,7 @@ class GifImageState extends State<GifImage>{
   int _curIndex = 0;
   bool _fetchComplete= false;
   ImageInfo get _imageInfo {
-   if(!_fetchComplete)return null;
+    if(!_fetchComplete)return null;
     return  _infos==null?null:_infos[_curIndex];
   }
 
@@ -125,14 +125,15 @@ class GifImageState extends State<GifImage>{
     super.didUpdateWidget(oldWidget);
     if (widget.image != oldWidget.image) {
       fetchGif(widget.image).then((imageInfors){
-        setState(() {
-          _infos = imageInfors;
-          _fetchComplete=true;
-          _curIndex = widget.controller.value.toInt();
-          if(widget.onFetchCompleted!=null){
-            widget.onFetchCompleted();
-          }
-        });
+        if(mounted)
+          setState(() {
+            _infos = imageInfors;
+            _fetchComplete=true;
+            _curIndex = widget.controller.value.toInt();
+            if(widget.onFetchCompleted!=null){
+              widget.onFetchCompleted();
+            }
+          });
       });
     }
     if (widget.controller != oldWidget.controller) {
@@ -143,9 +144,10 @@ class GifImageState extends State<GifImage>{
 
   void _listener(){
     if(_curIndex!=widget.controller.value&&_fetchComplete){
-      setState(() {
-        _curIndex = widget.controller.value.toInt();
-      });
+      if(mounted)
+        setState(() {
+          _curIndex = widget.controller.value.toInt();
+        });
     }
   }
 
@@ -154,14 +156,15 @@ class GifImageState extends State<GifImage>{
     super.didChangeDependencies();
     if(_infos==null){
       fetchGif(widget.image).then((imageInfors){
-        setState(() {
-          _infos = imageInfors;
-          _fetchComplete=true;
-          _curIndex = widget.controller.value.toInt();
-          if(widget.onFetchCompleted!=null){
-            widget.onFetchCompleted();
-          }
-        });
+        if(mounted)
+          setState(() {
+            _infos = imageInfors;
+            _fetchComplete=true;
+            _curIndex = widget.controller.value.toInt();
+            if(widget.onFetchCompleted!=null){
+              widget.onFetchCompleted();
+            }
+          });
       });
     }
   }
diff --git a/pubspec.lock b/pubspec.lock
index d6986e0..a801c8e 100644
--- a/pubspec.lock
+++ b/pubspec.lock
@@ -19,7 +19,7 @@ packages:
       name: meta
       url: "https://pub.flutter-io.cn"
     source: hosted
-    version: "1.1.6"
+    version: "1.1.7"
   sky_engine:
     dependency: transitive
     description: flutter
diff --git a/pubspec.yaml b/pubspec.yaml
index 5b599f1..fd2a933 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -1,6 +1,6 @@
 name: flutter_gifimage
 description: a gifimage for flutter,for solving gif cannot be controlled speed,progress
-version: 1.0.0
+version: 1.0.1
 author: Jpeng <peng8350@gmail.com>
 homepage: https://github.com/peng8350/flutter_gifimage