pyhanlp的demo里Suggester返回为空

from pyhanlp import *

Suggester = JClass(“com.hankcs.hanlp.suggest.Suggester”)
suggester = Suggester()
title_array = [
“威廉王子发表演说 呼吁保护野生动物”,
“魅惑天后许佳慧不爱“预谋” 独唱《许某某》”,
“《时代》年度人物最终入围名单出炉 普京马云入选”,
““黑格比”横扫菲:菲吸取“海燕”经验及早疏散”,
“日本保密法将正式生效 日媒指其损害国民知情权”,
“英报告说空气污染带来“公共健康危机””
]
for title in title_array:
suggester.addSentence(title)

print(suggester.suggest(“陈述”, 2)) # 语义
print(suggester.suggest(“危机公关”, 1)) # 字符
print(suggester.suggest(“mayun”, 1)) # 拼音
print(suggester.suggest(“徐家汇”, 1)) # 拼音

全部返回的是