diff --git a/zh-cn/application-dev/media/image-pixelmap-operation.md b/zh-cn/application-dev/media/image-pixelmap-operation.md
index 9b11edbf8920bf437f02f3c74e866f97cb9e1807..b1d7e746ecff96cd8e478fe30d26bc3537381bfa 100644
--- a/zh-cn/application-dev/media/image-pixelmap-operation.md
+++ b/zh-cn/application-dev/media/image-pixelmap-operation.md
@@ -27,6 +27,7 @@
 3. 读取并修改目标区域像素数据，写回原图。
      
    ```ts
+   import {BusinessError} from '@ohos.base'
    // 场景一：将读取的整张图像像素数据结果写入ArrayBuffer中
    const readBuffer = new ArrayBuffer(pixelBytesNumber);
    pixelMap.readPixelsToBuffer(readBuffer).then(() => {