diff --git a/app/src/main/java/com/jiangdg/usbcamera/view/USBCameraActivity.java b/app/src/main/java/com/jiangdg/usbcamera/view/USBCameraActivity.java
index cacab4f..b1acd93 100644
--- a/app/src/main/java/com/jiangdg/usbcamera/view/USBCameraActivity.java
+++ b/app/src/main/java/com/jiangdg/usbcamera/view/USBCameraActivity.java
@@ -125,7 +125,6 @@ public class USBCameraActivity extends AppCompatActivity implements CameraDialog
         mUSBManager.createUVCCamera(mUVCCameraView);
     }
 
-
     @Override
     protected void onStart() {
         super.onStart();
diff --git a/libusbcamera/src/main/java/com/jiangdg/usbcamera/USBCameraManager.java b/libusbcamera/src/main/java/com/jiangdg/usbcamera/USBCameraManager.java
index 6e27743..c81ea2d 100644
--- a/libusbcamera/src/main/java/com/jiangdg/usbcamera/USBCameraManager.java
+++ b/libusbcamera/src/main/java/com/jiangdg/usbcamera/USBCameraManager.java
@@ -198,8 +198,7 @@ public class USBCameraManager{
             }
         });
     }
-
-
+    
     /**
      * 注册检测USB设备广播接收器
      * */