diff --git a/src/main/ets/utils/FileHelper.ets b/src/main/ets/utils/FileHelper.ets
index 991133a..7254824 100644
--- a/src/main/ets/utils/FileHelper.ets
+++ b/src/main/ets/utils/FileHelper.ets
@@ -314,6 +314,11 @@ export class FileHelper {
     return fs.accessSync(path);
   }
 
+  static getFileFd(uri: string) {
+    let file = FileHelper.openSync(uri, fs.OpenMode.READ_ONLY)
+    return file.fd
+  }
+
   /**
    * 图片转base64
    * @param photoUri
@@ -348,29 +353,37 @@ 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)}`)
-    }
+  static saveImage(pixmap: image.PixelMap): Promise<string> {
+    return new Promise<string>(async (resolve, reject) => {
 
-    const uri = await photoAccessHelper.getPhotoAccessHelper(GlobalContext.getContext())
-      .createAsset(photoAccessHelper.PhotoType.IMAGE, 'png')
+      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)}`);
+        reject()
+        return;
+      }
 
-    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')
-    })
+      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
+          }
+          resolve(uri);
+        }).catch(() => {
+        ToolsHelper.showMessage('保存失败');
+        reject()
+        return;
+      });
+    });
   }
 
   /**