Unity game using Facebook login

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C#

Facebook-API

Unity

hello everyone- I want to build Facebook login in Unity game. login script was written in the unity, than I build it and saved to the IIS. It appeals problems when I login:
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Given URL is not allowed by the Application configuration: One or more of the given URLs is not allowed by the App's settings. To use this URL you must enable Web OAuth Login in your App's settings.
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The html URL is http://jjke.ddns.net/unity/unity.html. I had setup the App Domains to jjke.ddns.net and Site URL to http://jjke.ddns.net/unity/unity.html. my Unity is 5.1.1f1 and the Unity facebook SDK version is 7.1.0
Here is my code:
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https://dl.dropboxusercontent.com/u/45659306/FBholder.cs
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does anyone knows how to solve it?
any help will be appreciated

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