diff --git a/libusbcamera/src/main/java/com/jiangdg/usbcamera/UVCCameraHelper.java b/libusbcamera/src/main/java/com/jiangdg/usbcamera/UVCCameraHelper.java
index 314101e..8ed2578 100644
--- a/libusbcamera/src/main/java/com/jiangdg/usbcamera/UVCCameraHelper.java
+++ b/libusbcamera/src/main/java/com/jiangdg/usbcamera/UVCCameraHelper.java
@@ -214,9 +214,9 @@ public class UVCCameraHelper {
         return mUSBMonitor.getDeviceList(deviceFilters.get(0));
     }
 
-    public void capturePicture(String savePath) {
+    public void capturePicture(String savePath,AbstractUVCCameraHandler.OnCaptureListener listener) {
         if (mCameraHandler != null && mCameraHandler.isOpened()) {
-            mCameraHandler.captureStill(savePath);
+            mCameraHandler.captureStill(savePath,listener);
         }
     }
 
diff --git a/libusbcamera/src/main/java/com/serenegiant/usb/common/AbstractUVCCameraHandler.java b/libusbcamera/src/main/java/com/serenegiant/usb/common/AbstractUVCCameraHandler.java
index c3f44fe..3daef2f 100644
--- a/libusbcamera/src/main/java/com/serenegiant/usb/common/AbstractUVCCameraHandler.java
+++ b/libusbcamera/src/main/java/com/serenegiant/usb/common/AbstractUVCCameraHandler.java
@@ -217,10 +217,9 @@ public  abstract class AbstractUVCCameraHandler extends Handler {
 	}
 
 	public void captureStill(final String path,AbstractUVCCameraHandler.OnCaptureListener listener) {
-		// old method, to get screen size picture
-//		AbstractUVCCameraHandler.mCaptureListener = listener;
-//		checkReleased();
-//		sendMessage(obtainMessage(MSG_CAPTURE_STILL, path));
+		AbstractUVCCameraHandler.mCaptureListener = listener;
+		checkReleased();
+		sendMessage(obtainMessage(MSG_CAPTURE_STILL, path));
 	}
 
 	// 开始录制
@@ -788,6 +787,7 @@ public  abstract class AbstractUVCCameraHandler extends Handler {
 				}
 				// 捕获图片
 				if(! TextUtils.isEmpty(picPath)) {
+					picPath = null;
 					YUVBean bean = new YUVBean();
 					bean.setYuvData(yuv);
 					bean.setPicPath(picPath);
@@ -799,7 +799,6 @@ public  abstract class AbstractUVCCameraHandler extends Handler {
 							if(mCaptureListener != null) {
 								mCaptureListener.onCaptureResult(savePath);
 							}
-							picPath = null;
 						}
 					}).execute();
 				}
diff --git a/libusbcamera/src/main/java/com/serenegiant/usb/common/UVCCameraHandler.java b/libusbcamera/src/main/java/com/serenegiant/usb/common/UVCCameraHandler.java
index 22130f8..2d01f1c 100644
--- a/libusbcamera/src/main/java/com/serenegiant/usb/common/UVCCameraHandler.java
+++ b/libusbcamera/src/main/java/com/serenegiant/usb/common/UVCCameraHandler.java
@@ -123,10 +123,10 @@ public class UVCCameraHandler extends AbstractUVCCameraHandler {
 		super.startPreview(surface);
 	}
 
-	@Override
-	public void captureStill() {
-		super.captureStill();
-	}
+//	@Override
+//	public void captureStill() {
+//		super.captureStill();
+//	}
 
 	@Override
 	public void captureStill(final String path,OnCaptureListener listener) {
diff --git a/libusbcamera/src/main/java/com/serenegiant/usb/common/UVCCameraHandlerMultiSurface.java b/libusbcamera/src/main/java/com/serenegiant/usb/common/UVCCameraHandlerMultiSurface.java
index c50daf0..b85aaa0 100644
--- a/libusbcamera/src/main/java/com/serenegiant/usb/common/UVCCameraHandlerMultiSurface.java
+++ b/libusbcamera/src/main/java/com/serenegiant/usb/common/UVCCameraHandlerMultiSurface.java
@@ -156,11 +156,11 @@ public class UVCCameraHandlerMultiSurface extends AbstractUVCCameraHandler {
 		}
 	}
 
-	@Override
-	public void captureStill() {
-		checkReleased();
-		super.captureStill();
-	}
+//	@Override
+//	public void captureStill() {
+//		checkReleased();
+//		super.captureStill();
+//	}
 
 	@Override
 	public void captureStill(final String path,OnCaptureListener listener) {