diff --git a/ohos/src/main/ets/MobileScannerPlugin.ets b/ohos/src/main/ets/MobileScannerPlugin.ets
index d4100236bd220d1ab1516b64d5cf9564b39e8f89..0ecba601619ec346a4f879a6cc184c6885218882 100644
--- a/ohos/src/main/ets/MobileScannerPlugin.ets
+++ b/ohos/src/main/ets/MobileScannerPlugin.ets
@@ -76,6 +76,8 @@ export class MobileScannerPlugin implements FlutterPlugin, MethodCallHandler, Ab
   private displayHeight: number = 0 // 屏幕高度，单位vp
   private displayWidth: number = 0 // 屏幕宽度，单位vp
 
+  private scanWindow: Array<number> | null = null;  // scanWindow，扫描区域
+
   publishEvent(event: ESObject) {
     this.eventSink?.success(event)
   }
@@ -249,12 +251,22 @@ export class MobileScannerPlugin implements FlutterPlugin, MethodCallHandler, Ab
           format: Barcode.convertScanType(item.scanType),
           type: BarcodeType.unknown,
           corners: [
-            {x: this.scanCodeRect[i]?.left, y: this.scanCodeRect[i]?.top},
-            {x: this.scanCodeRect[i]?.right, y: this.scanCodeRect[i]?.top},
-            {x: this.scanCodeRect[i]?.left, y: this.scanCodeRect[i]?.bottom},
-            {x: this.scanCodeRect[i]?.right, y: this.scanCodeRect[i]?.bottom},
-          ]
+            {x: this.scanCodeRect[i]?.left, y: this.scanCodeRect[i]?.top} as Point,
+            {x: this.scanCodeRect[i]?.right, y: this.scanCodeRect[i]?.top} as Point,
+            {x: this.scanCodeRect[i]?.right, y: this.scanCodeRect[i]?.bottom} as Point,
+            {x: this.scanCodeRect[i]?.left, y: this.scanCodeRect[i]?.bottom} as Point,
+          ].map(i => ({
+            x: i.x / this.scanWidth * this.cameraWidth,
+            y: i.y / this.scanHeight * this.cameraHeight
+          }) as Point)
         } as Barcode;
+      }).filter(barcode => {
+        if (this.scanWindow) {
+          return this.isBarcodeInScanWindow(barcode);
+        }
+        else {
+          return true;
+        }
       });
       this.callback(_r, null, this.cameraWidth, this.cameraHeight)
     }
@@ -400,7 +412,8 @@ export class MobileScannerPlugin implements FlutterPlugin, MethodCallHandler, Ab
   }
 
   updateScanWindow(call: MethodCall, result: MethodResult) {
-    result.notImplemented()
+    this.scanWindow = call.argument("rect")
+    result.success(true)
   }
 
   callback(barcodes: Barcode[], image: ByteBuffer | null, width: number, height: number) {
@@ -425,6 +438,15 @@ export class MobileScannerPlugin implements FlutterPlugin, MethodCallHandler, Ab
     })
   }
 
+  private isBarcodeInScanWindow(barcode: Barcode): boolean {
+    const corners = barcode.corners;
+    const top = this.scanWindow![1] * this.cameraHeight;
+    const bottom = this.scanWindow![3] * this.cameraHeight;
+    const left = this.scanWindow![0] * this.cameraWidth;
+    const right = this.scanWindow![2] * this.cameraWidth;
+    return corners.reduce((r, item) => r && item.x > left && item.x < right && item.y > top && item.y < bottom, true)
+  }
+
   errorCallback(error: string) {
     this.publishEvent({
       "name": "error",