redis-live top page no show？

[Sam0913]

Access error，logs

[E 160221 17:42:34 web:1524] Uncaught exception GET /api/info?from=Sun%2C+14+Feb+2016+09%3A42%3A47+GMT&to=Sun%2C+21+Feb+2016+09%3A42%3A47+GMT&server=121.43.116.227%3A7000 (139.226.40.17)
HTTPServerRequest(protocol='http', host='121.43.116.227:8888', method='GET', uri='/api/info?from=Sun%2C+14+Feb+2016+09%3A42%3A47+GMT&to=Sun%2C+21+Feb+2016+09%3A42%3A47+GMT&server=121.43.116.227%3A7000', version='HTTP/1.1', remote_ip='139.226.40.17', headers={'Accept-Language': 'zh-CN,zh;q=0.8,en-US;q=0.5,en;q=0.3', 'Accept-Encoding': 'gzip, deflate', 'Host': '121.43.116.227:8888', 'Accept': 'application/json, text/javascript, /; q=0.01', 'User-Agent': 'Mozilla/5.0 (Macintosh; Intel Mac OS X 10.10; rv:44.0) Gecko/20100101 Firefox/44.0', 'Dnt': '1', 'Connection': 'keep-alive', 'X-Requested-With': 'XMLHttpRequest', 'Referer': 'http://121.43.116.227:8888/index.html'})
Traceback (most recent call last):
File "/usr/local/python2.7/lib/python2.7/site-packages/tornado/web.py", line 1443, in _execute
result = method(_self.path_args, *_self.path_kwargs)
File "/usr/local/ngc/redis-live/src/api/controller/InfoController.py", line 16, in get
for key in sorted(redis_info.

keys()):
AttributeError: 'NoneType' object has no attribute 'keys'

excuse me what's the problem？

[Sam0913]

For help ，The data showed