iOS离线打包调用二维码扫描报错闪退

[PDRCoreAppFrame webView]: unrecognized selector sent to instance 0x126196160
2016-07-15 19:31:19.081 kcnzqH5[61684:9414627] Terminating app due to uncaught exception 'NSInvalidArgumentException', reason: '-[PDRCoreAppFrame webView]: unrecognized selector sent to instance 0x126196160'
First throw call stack:
(0x183a9edb0 0x183103f80 0x183aa5c4c 0x183aa2bec 0x1839a0c5c 0x1003d7fd0 0x1000dae74 0x1000da734 0x1000cd970 0x18447402c 0x183a5509c 0x183a54b30 0x183a52830 0x18397cc50 0x185264088 0x188c66088 0x10009f88c 0x18351a8b8)
libc++abi.dylib: terminating with uncaught exception of type NSException

报如上错误，按照模板该加的都加了，还是不行