diff --git a/android/src/main/java/top/jerryyan/RN/A/VersionUpgrade/UpgradeModule.java b/android/src/main/java/top/jerryyan/RN/A/VersionUpgrade/UpgradeModule.java
index 9f76c4e..7fa4bdf 100644
--- a/android/src/main/java/top/jerryyan/RN/A/VersionUpgrade/UpgradeModule.java
+++ b/android/src/main/java/top/jerryyan/RN/A/VersionUpgrade/UpgradeModule.java
@@ -126,7 +126,7 @@ public class UpgradeModule extends ReactContextBaseJavaModule {
         final ProgressDialog dialog = new ProgressDialog(reactContext.getCurrentActivity());
         dialog.setProgressStyle(ProgressDialog.STYLE_HORIZONTAL);
         dialog.setCanceledOnTouchOutside(false);
-        dialog.setCancelable(true);
+        dialog.setCancelable(false);
         dialog.setTitle("正在下载中");
         dialog.setMessage("请稍后...");
         dialog.setProgress(0);
@@ -150,8 +150,7 @@ public class UpgradeModule extends ReactContextBaseJavaModule {
                         long total = response.body().contentLength();
                         int len;
                         long current = 0;
-
-                        File file = new File(reactContext.getCacheDir().getAbsolutePath() ,"update.apk");
+                        File file = new File(reactContext.getExternalFilesDir(Environment.DIRECTORY_DOWNLOADS).getAbsolutePath() ,"update.apk");
                         fileOutputStream = new FileOutputStream(file, false);
                         while ((len = stream.read(buffer)) != -1) {
                             fileOutputStream.write(buffer, 0, len);
@@ -163,6 +162,7 @@ public class UpgradeModule extends ReactContextBaseJavaModule {
                         message.what = 0;
                         message.obj = file.toURI().toString();
                         handler.sendMessage(message);
+                        dialog.dismiss();
                     } catch (IOException e) {
                         Log.e("REQUEST FAILED", "AAA", e);
                     } finally {