拜托，我有問題。我想獲取 web api( news.api)上的所有實體但我在響應時遇到執行錯誤retrofit：錯誤：java.lang.IllegalStateException：預期為 BEGIN_ARRAY，但在第 1 行第 57 列為 BEGIN_OBJECT感謝您的幫助public interface ApiService {    @GET("top-headlines")    Call<ResponseNewsApi> getResponseNewsApi(@Query("sources") String source, @Query("apiKey") String apiKey);}public class ResponseNewsApi {    @SerializedName("status")    private String status;    @SerializedName("totalResults")    private String totalResults;    @SerializedName("articles")    private List<Post> articles;}public class Post {    @SerializedName("source")    private List<String> source;    @SerializedName("author")    private String author;    @SerializedName("title")    private String title;    @SerializedName("description")    private String description;    @SerializedName("url")    private String url;    @SerializedName("urlToImage")    private String urlToImage;    @SerializedName("publishedAt")    private String publishedAt;    @SerializedName("content")    private String content;}service.getResponseNewsApi(source,apiKey).enqueue(new Callback<ResponseNewsApi>() {            @Override            public void onResponse(Call<ResponseNewsApi> call, Response<ResponseNewsApi> response) {                Log.d(TAG, "onResponse response:: " + response);                if (response.body() != null) {                    data.setValue(response.body());                    Log.d(TAG, "posts total result:: " + response.body().getTotalResults());                    Log.d(TAG, "posts size:: " + response.body().getArticles().size());                    Log.d(TAG, "posts title pos 0:: " + response.body().getArticles().get(0).getTitle());                }            }            @Override            public void onFailure(Call<ResponseNewsApi> call, Throwable t) {                data.setValue(null);                Log.e(TAG,"Error get enqueue Retrofit");                Log.e(TAG,"Error: "+t.getMessage());            }        });        return data;