builddata.py数据无法加载出来，最后生成的rel和ent均为空

[hihaaaa-sub]

file_name2data = {}
for path, folds, files in os.walk(data_in_dir):
for file_name in files:
file_path = os.path.join(path, file_name)
file_name = re.match("(.*?).json", file_name).group(1)
file_name2data[file_name] = json.load(open(file_path, "r", encoding = "utf-8"))