duplicate symbol _OBJC_IVAR_$_Or

duplicate symbol OBJC_IVAR$_OrgServiceModel._imgStr in:
/Users/ai/Library/Developer/Xcode/DerivedData/App-exzvxywknjfgjadaiczipphmulvw/Build/Intermediates.noindex/App.build/Debug-iphonesimulator/App.build/Objects-normal/x86_64/OrgServiceModel.o

ld: 8 duplicate symbols for architecture x86_64
clang: error: linker command failed with exit code 1 (use -v to see invocation)
解析：cell中导入model的.m文件会导致这个错误，应导入.h文件，不要手滑。