refactor(app): 限制 scriptResultQueue 的容量

- 将 scriptResultQueue 的容量从无限制改为 1
- 此修改旨在防止队列无限增长可能导致的内存问题

app/src/main/java/com/example/retention/MainActivity.java

@@ -186,7 +186,7 @@ public class MainActivity extends AppCompatActivity {
     WorkManager.getInstance(this).enqueue(workRequest);
   }
 
-  public static final LinkedBlockingQueue<String> scriptResultQueue = new LinkedBlockingQueue<>();
+  public static final LinkedBlockingQueue<String> scriptResultQueue = new LinkedBlockingQueue<>(1);
 
 
   private void startProxyVpn(Context context) {