Merge remote-tracking branch 'remotes/origin/ming' into test

Object/ResponseObject.py

@@ -258,4 +258,4 @@ class ResponseObject(object):
         if res is None:
             res = {}
         result = self.formal(code, res)
-        return HttpResponse(result)
+        return HttpResponse(result, content_type='application/json,charset=utf-8')