ld: 2 duplicate symbols for architecture x86_64
clang: error: linker command failed with exit code 1 (use -v to see invocation)
1.project -> build setting -> enable testability 项目删除或者设置为NO即可
2.包没导入或导入错误删了重加(bundle资源等 要加在targets -> build phases -> copy bundle resources里)
3. .h写成.m或者重复文件