diff --git a/app/src/main/java/com/navinfo/outdoor/activity/AutoTakePictureActivity.java b/app/src/main/java/com/navinfo/outdoor/activity/AutoTakePictureActivity.java
index 5514107..e9f3aae 100644
--- a/app/src/main/java/com/navinfo/outdoor/activity/AutoTakePictureActivity.java
+++ b/app/src/main/java/com/navinfo/outdoor/activity/AutoTakePictureActivity.java
@@ -1301,7 +1301,9 @@ public class AutoTakePictureActivity extends BaseActivity implements View.OnClic
     /**
      * 结束采集，对照片归档
      * */
+    private boolean hasFinishTask = false; // 当前是否包含已完成任务未处理完
     private void finishRoadTask(Map<Integer, RoadMatchEntity> finishEntityMap) {
+        hasFinishTask = true;
         Observable.fromIterable(finishEntityMap.values())
                 .subscribeOn(Schedulers.io()).observeOn(Schedulers.computation())
                 .filter(roadMatchEntity -> roadMatchEntity!=null)
@@ -1344,23 +1346,36 @@ public class AutoTakePictureActivity extends BaseActivity implements View.OnClic
                     }
                 })
                 .observeOn(AndroidSchedulers.mainThread())
+                .onErrorResumeNext(new Function<Throwable, ObservableSource<? extends PoiEntity>>() {
+                    @Override
+                    public ObservableSource<? extends PoiEntity> apply(Throwable throwable) throws Exception {
+                        return null;
+                    }
+                })
                 .subscribe(new Consumer<PoiEntity>() {
                     @Override
                     public void accept(PoiEntity poiEntity) {
-
+                        // 已经处理过该任务，将其从finish列表中移除
+                        if (poiEntity!=null) {
+                            finishEntityMap.remove(poiEntity.getTaskId());
+                        }
                     }
                 }, new Consumer<Throwable>() {
                     @Override
                     public void accept(Throwable throwable) {
                         // 此处异常可能是服务返回的数据无法解析，但http正常返回了，因此可能为程序问题，不再重复尝试上报
                         systemTTS.playText("注意，领取任务失败！");
+                        XLog.e("完成失败："+throwable.getMessage());
                         ToastUtils.Message(AutoTakePictureActivity.this, throwable.getMessage());
+                        hasFinishTask = false;
                     }
                 }, new Action() {
                     @Override
                     public void run() throws Exception {
                         // 重新绘制网络任务和本地任务
                         initRoadLine2Map();
+                        finishEntityMap.clear();
+                        hasFinishTask = false;
                     }
                 });
     }
@@ -1666,6 +1681,10 @@ public class AutoTakePictureActivity extends BaseActivity implements View.OnClic
     @Override
     public void onBackPressed() {
         DialogSettings.style = DialogSettings.STYLE.STYLE_IOS;
+        if (hasFinishTask) {
+            MessageDialog.show(this, "提示", "后台正在处理已拍摄完成的任务，请稍后再退出当前界面");
+            return;
+        }
         MessageDialog.show(this, "提示", "退出自动采集模式?", "是", "否").setOnOkButtonClickListener(new OnDialogButtonClickListener() {
             @Override
             public boolean onClick(BaseDialog baseDialog, View v) {