diff --git a/CHANGELOG.md b/CHANGELOG.md
index dfe735d..d8eb776 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -4,6 +4,12 @@ that can be found in the LICENSE file. -->
 
 # Changelog
 
+## 3.5.0-dev.3
+
+### Improvements
+
+- Prevent switching cameras when taking picture or recording video. (#120)
+
 ## 3.5.0-dev.2
 
 ### Improvements
diff --git a/lib/src/states/camera_picker_state.dart b/lib/src/states/camera_picker_state.dart
index 205a5f0..e81612f 100644
--- a/lib/src/states/camera_picker_state.dart
+++ b/lib/src/states/camera_picker_state.dart
@@ -349,6 +349,10 @@ class CameraPickerState extends State<CameraPicker>
   /// of cameras, start from the beginning.
   /// 按顺序切换相机。当达到相机数量时从头开始。
   void switchCameras() {
+    // Skip switching when taking picture or recording video.
+    if (controller.value.isTakingPicture || controller.value.isRecordingVideo) {
+      return;
+    }
     ++currentCameraIndex;
     if (currentCameraIndex == cameras.length) {
       currentCameraIndex = 0;
diff --git a/pubspec.yaml b/pubspec.yaml
index 3e80f91..3c838b1 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -1,6 +1,6 @@
 name: wechat_camera_picker
 description: A camera picker which is an extension to wechat_assets_picker, but can be run separately.
-version: 3.5.0-dev.2
+version: 3.5.0-dev.3
 homepage: https://github.com/fluttercandies/flutter_wechat_camera_picker
 
 environment: