我们在尝试获取appengine app中的GET请求参数值时收到以下错误。我们使用的是Python 2.7和webapp2。有人可以帮助在这里找到问题。
错误：
Traceback (most recent call last):
File "/base/data/home/apps/s~appname/10.002634982369462/foldername/filename.py", line 32, in get
self.get_link()
File "/base/data/home/apps/s~appname/10.002634982369462/foldername/filename.py", line 64, in get_link
if not self.request.get('link'):
File "/base/data/home/runtimes/python27/python27_lib/versions/third_party/webapp2-2.5.2/webapp2.py", line 175, in get
param_value = self.get_all(argument_name)
File "/base/data/home/runtimes/python27/python27_lib/versions/third_party/webapp2-2.5.2/webapp2.py", line 212, in get_all
param_value = self.params.getall(argument_name)
File "/base/data/home/runtimes/python27/python27_lib/versions/third_party/webob-1.1.1/webob/multidict.py", line 327, in getall
return map(self._decode_value, self.multi.getall(self._encode_key(key)))
File "/base/data/home/runtimes/python27/python27_lib/versions/third_party/webob-1.1.1/webob/multidict.py", line 301, in _decode_value
value = value.decode(self.encoding, self.errors)
File "/base/data/home/runtimes/python27/python27_dist/lib/python2.7/encodings/utf_8.py", line 16, in decode
return codecs.utf_8_decode(input, errors, True)
UnicodeDecodeError: 'utf8' codec can't decode byte 0x85 in position 23: invalid start byte
请求数据：
link=http%3A%2F%2Fprincesseblack.c%8513%2F10%2Fprincesse-black-au-cocktail-roots-magazine-n10%2F&id=335180657:1