问题 When I try to run my application on a simulator, everything works fine. But when I try to build it to test it on a real device, I get the following error: CodeSign /Users/fvoordeckers/Library/Developer/Xcode/DerivedData/MyProject-##########/Build/Products/Debug-iphoneos/MyProject.xctest cd /Users/fvoordeckers/Documents/Projecten/MyProject/iOS export CODESIGN_ALLOCATE=/Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/codesign_allocate export PATH="