Problem solving of IOS apple mach-o linker error group

Type 1: You import other.m files into your.m file
Second, according to common thinking logic, Comm. A should be loaded into two different static Link Binary With Libraries, and then compile the main APP. As a result, the problem occurs.
Clang: Error: Linker Command failed with exit code 1 (USE-v to see Invocation). After analysis. Modify filenames, functions, constants, etc. that may have the same name. But problems remain.

Or two files with the same name appear in the project, with duplicate or duplicate names

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