diff --git a/app/src/main/java/com/navinfo/outdoor/activity/PictureActivity.java b/app/src/main/java/com/navinfo/outdoor/activity/PictureActivity.java
index 8823648..9dbe0a2 100644
--- a/app/src/main/java/com/navinfo/outdoor/activity/PictureActivity.java
+++ b/app/src/main/java/com/navinfo/outdoor/activity/PictureActivity.java
@@ -154,9 +154,9 @@ public class PictureActivity extends BaseActivity implements View.OnClickListene
                     // 开始采集，每隔2秒实时记录位置信息、视频时间以及设备时间
                     timer.schedule(timerTask, 0, period*1000);
                 } else {
+                    timerTask.cancel();
                     stopVideo.setEnabled(true);
                     captureVideo.setText("开始采集");
-                    timerTask.cancel();
                     stopTakenVideo();
                 }
             }