现在在更新开始前会创建更新文件了

app/src/main/java/com/bgycc/smartcanteen/MainActivity.java

@@ -118,7 +118,6 @@ public class MainActivity extends AppCompatActivity implements View.OnClickListe
         SCWebSocketClient.getInstance().getConnectStateEvent().observe(this, event -> {
             if (debugLayoutIsNotInflate()) return;
             String msg;
-            LogUtils.d(TAG, "connect state: " + event.getState());
             switch (event.getState()) {
                 case ConnectState.OFFLINE:
                     msg = String.format(getString(R.string.connect_offline), NetworkUtils.getTryingNetworkType(this));

app/src/main/java/com/bgycc/smartcanteen/command/UpdateCommandHandler.java

@@ -97,6 +97,15 @@ public class UpdateCommandHandler extends CommandHandler {
         }
         start = true;
         FileUtils.delete(updateApk);
+        boolean createApk = false;
+        try {
+            createApk = updateApk.createNewFile();
+        } catch (IOException e) {
+            LogUtils.e(TAG, "更新包文件创建失败: " + e.getMessage(), e);
+        }
+        if (!createApk) {
+            return failedResult("更新包文件创建失败");
+        }
         if (executor == null) {
             executor = Executors.newScheduledThreadPool(1);
         }