diff --git a/app/src/main/java/com/navinfo/outdoor/activity/PicturesActivity.java b/app/src/main/java/com/navinfo/outdoor/activity/PicturesActivity.java
index 67a2f0a..b72155b 100644
--- a/app/src/main/java/com/navinfo/outdoor/activity/PicturesActivity.java
+++ b/app/src/main/java/com/navinfo/outdoor/activity/PicturesActivity.java
@@ -355,16 +355,18 @@ public class PicturesActivity extends BaseActivity implements View.OnClickListen
                 runOnUiThread(new Runnable() {
                     @Override
                     public void run() {
-                        if (file.exists()) {
-                            initMarker();
-                            videoIndex = Integer.parseInt(file.getName().replace(".webp", ""));
-                            finalVideoPath = Objects.requireNonNull(file.getParentFile()).getAbsolutePath() + "/" + (videoIndex + 1) + ".webp";
-                            tvTitle.setText("保存成功:" + (videoIndex + 1));
-                        }
-                        if (radioPicture == 1) {
-                            Message message = new Message();
-                            message.what = 0x103;
-                            handler.sendMessage(message);
+                        if (PicturesActivity.this!=null) {
+                            if (file.exists()) {
+                                initMarker();
+                                videoIndex = Integer.parseInt(file.getName().replace(".webp", ""));
+                                finalVideoPath = Objects.requireNonNull(file.getParentFile()).getAbsolutePath() + "/" + (videoIndex + 1) + ".webp";
+                                tvTitle.setText("保存成功:" + (videoIndex + 1));
+                            }
+                            if (radioPicture == 1&&handler!=null) {
+                                Message message = new Message();
+                                message.what = 0x103;
+                                handler.sendMessage(message);
+                            }
                         }
                     }
                 });