IOS can't showAds???

use unity4.6.3 and iphone 5c, test unityAds init finish but can't show, play other unityAds game is right, seek help~

2015-03-06 15:17:37.398 AdsTest[1539:818360] DEBUG [T:0x1463cdf0 M] -[UnityAds initComplete]:84
2015-03-06 15:17:37.399 AdsTest[1539:818360] DEBUG [T:0x1463cdf0 M] -[UnityAdsWebAppController runJavascript:]:146 Running JavaScriptString: unityads.setView("none", {"action":"initComplete"});
2015-03-06 15:17:37.414 AdsTest[1539:818360] DEBUG [T:0x1463cdf0 M] -[UnityAdsWebAppController runJavascript:]:152 JavaScript call successfull.
Debug: onFetchCompleted

(Filename: /Users/builduser/buildslave/unity/build/artifacts/iPhonePlayer-armv7Generated/UnityEngineDebug.cpp Line: 56)

Unity Ads has finished initializing. Waiting for ads to be ready...

(Filename: /Users/builduser/buildslave/unity/build/artifacts/iPhonePlayer-armv7Generated/UnityEngineDebug.cpp Line: 56)

Ads for the default ad placement zone are available and ready. Showing ad now...

(Filename: /Users/builduser/buildslave/unity/build/artifacts/iPhonePlayer-armv7Generated/UnityEngineDebug.cpp Line: 56)

2015-03-06 15:17:38.339 AdsTest[1539:818360] DEBUG [T:0x1463cdf0 M] -[UnityAdsMainViewController openAds:inState:withOptions:]:191
2015-03-06 15:17:38.342 AdsTest[1539:818360] DEBUG [T:0x1463cdf0 M] -[UnityAdsViewState willBeShown]:31
2015-03-06 15:17:38.346 AdsTest[1539:818360] DEBUG [T:0x1463cdf0 M] -[UnityAds mainControllerWillOpen]:373
2015-03-06 15:17:38.348 AdsTest[1539:818360] Warning: Attempt to present <UnityAdsMainViewController: 0x15f3e9c0> on <UnityLandscapeLeftOnlyViewController: 0x146f66b0> whose view is not in the window hierarchy!
2015-03-06 15:17:38.349 AdsTest[1539:818360] DEBUG [T:0x1463cdf0 M] -[UnityAdsViewState enterState:]:22
2015-03-06 15:17:38.350 AdsTest[1539:818360] DEBUG [T:0x1463cdf0 M] -[UnityAdsViewStateVideoPlayer enterState:]:22 campaign=<UnityAdsCampaign: 0x15f4bc70> byPassAppSheet=0
2015-03-06 15:17:38.350 AdsTest[1539:818360] DEBUG [T:0x1463cdf0 M] -[UnityAdsAppSheetManager preloadAppSheetWithId:]:68
2015-03-06 15:17:38.351 AdsTest[1539:818360] DEBUG [T:0x1463cdf0 M] -[UnityAdsAppSheetManager preloadAppSheetWithId:]:70 Can open storeProductViewController

 

Thanks ！