diff --git a/en/application-dev/media/camera.md b/en/application-dev/media/camera.md
index 25e5e573057661487895bc003c143393287b4829..8032348105eb70a3b5dbfd431de3632d6d04cb8a 100644
--- a/en/application-dev/media/camera.md
+++ b/en/application-dev/media/camera.md
@@ -81,6 +81,9 @@ for (let index = 0; index < cameraArray.length; index++) {
 // Create a camera input stream.
 let cameraInput = await cameraManager.createCameraInput(cameraArray[0])
 
+// Open camera
+await cameraInput.open();
+
 // Obtain the output stream capabilities supported by the camera.
 let cameraOutputCap = await cameraManager.getSupportedOutputCapability(cameraArray[0]);
 if (!cameraOutputCap) {
diff --git a/zh-cn/application-dev/media/camera.md b/zh-cn/application-dev/media/camera.md
index 12c785c1d5cd84044cc43466661e515673fcb66c..0fde66eabe1d709366390957053d546ca1e42cb8 100644
--- a/zh-cn/application-dev/media/camera.md
+++ b/zh-cn/application-dev/media/camera.md
@@ -81,6 +81,9 @@ for (let index = 0; index < cameraArray.length; index++) {
 // 创建相机输入流
 let cameraInput = await cameraManager.createCameraInput(cameraArray[0])
 
+// 打开相机
+await cameraInput.open();
+
 // 获取相机设备支持的输出流能力
 let cameraOutputCap = await cameraManager.getSupportedOutputCapability(cameraArray[0]);
 if (!cameraOutputCap) {