diff --git a/src/main/ets/utils/FileHelper.ets b/src/main/ets/utils/FileHelper.ets
index bc26baa..991133a 100644
--- a/src/main/ets/utils/FileHelper.ets
+++ b/src/main/ets/utils/FileHelper.ets
@@ -6,6 +6,9 @@ import { hilog } from '@kit.PerformanceAnalysisKit';
 import { image } from '@kit.ImageKit';
 import { buffer } from '@kit.ArkTS';
 import { LogHelper } from './LogHelper';
+import { ToolsHelper } from './ToolsHelper';
+import { photoAccessHelper } from '@kit.MediaLibraryKit';
+import { GlobalContext } from '../ContextConfig';
 
 export class FileHelper {
   private constructor() {
@@ -311,6 +314,11 @@ export class FileHelper {
     return fs.accessSync(path);
   }
 
+  /**
+   * 图片转base64
+   * @param photoUri
+   * @returns
+   */
   static BmpToBase64(photoUri: string): Promise<string> {
     const imagePackerApi: image.ImagePacker = image.createImagePacker();
     const packOpts: image.PackingOption = { format: 'image/jpeg', quality: 100 };
@@ -336,6 +344,35 @@ export class FileHelper {
     })
   }
 
+  /**
+   * 保存图片到相册，需要注意权限
+   * @param pixmap
+   */
+  static async saveImage(pixmap: image.PixelMap) {
+    let imageBuffer: ArrayBuffer = new ArrayBuffer(1)
+    try {
+      imageBuffer = await image.createImagePacker().packing(pixmap, { format: "image/png", quality: 100 })
+    } catch (err) {
+      ToolsHelper.showMessage('保存失败')
+      console.error(`Invoke packingPixelMap2Jpg failed, err: ${JSON.stringify(err)}`)
+    }
+
+    const uri = await photoAccessHelper.getPhotoAccessHelper(GlobalContext.getContext())
+      .createAsset(photoAccessHelper.PhotoType.IMAGE, 'png')
+
+    fs.open(uri, fs.OpenMode.READ_WRITE | fs.OpenMode.CREATE)
+      .then(async (file) => {
+        try {
+          await fs.write(file.fd, imageBuffer)
+          ToolsHelper.showMessage('保存成功')
+        } finally {
+          await fs.close(file.fd) // 确保文件关闭
+        }
+      }).catch(() => {
+      ToolsHelper.showMessage('保存失败')
+    })
+  }
+
   /**
    * 打开文件，支持使用URI打开文件。使用Promise异步回调。
    * @param path string 文件的应用沙箱路径或URI。