Redmine

i try to make redmine client working with remine 2.0.3
i can init redmine client with redmine 2.0.3(see file)
i have a problem to commit time entry
can we always use this:
http://127.0.0.1:3002/redmine/projects/2/time_entries/new?back_url=http%3a%2f%2flocalhost%3a3002%2fprojects%2f%7b0%7d%2ftime_entries%2fnew
&time_entry[issue_id]=1
&time_entry[spent_on]=2012-07-12
&time_entry[hours]=1.0.10
&time_entry[comments]=
&time_entry[activity_id]=8
&authenticity_token=l%2bvfjjTajUWQpIjrbQtHxUT0SgxgtoJ%2bvhSpZjF8zHI%3d
&time_entry[project_id]=2
&commit=Save

fields are filled but the time entry is not save