When I try to use Xcode5 dp6 to run app on devices. I got an error of
No Provisioning Profiles with a valid Signing identity found issue
How can I resolve this issues.

All you need to do is:
1. go to Certificates, Identifiers & Profiles in the Developer Center
2. create a new provisioning profile in "Provisioning Profiles" / "Distribution"
3. download the profile and open it
4. restart Xcode
And you can take a look at this post, and this and this.
You should now be able to select one of the Team Provisioning profiles to run in debug mode.
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