fix: 修复单个哈希查询时的歌曲ID获取逻辑

service/scoresaber/bind_ss.go

@@ -389,7 +389,7 @@ func (ss *ssQuery) GetRecentScores(count int, qqId string) ([]RecordDataLite, er
 	if err != nil {
 		return nil, err
 	}
-	for i := 0; i < len(records); i++ {
+	for i := range records {
 		records[i].SongId = hashToSongId[records[i].SongHash]
 	}
 	return records, nil
@@ -425,7 +425,15 @@ func GetSongIdsByHash(hashs []string) (hashToSongId map[string]string, err error
 		var response map[string]struct {
 			ID string `json:"id"`
 		}
-		err = json.Unmarshal(body, &response)
+		if len(batchHashs) == 1 {
+			var singleResponse struct {
+				ID string `json:"id"`
+			}
+			err = json.Unmarshal(body, &singleResponse)
+			response[batchHashs[0]] = singleResponse
+		} else {
+			err = json.Unmarshal(body, &response)
+		}
 		if err != nil {
 			return nil, err
 		}