正常情况下配置c_cpp_properties.json文件

{"configurations": [{"name": "Linux","includePath": ["${workspaceFolder}/**","/home/sang/packages/TensorRT-8.5.1.7/include"                ],"defines": [],"compilerPath": "/usr/bin/gcc","cStandard": "c17","cppStandard": "gnu++17","intelliSenseMode": "linux-gcc-x64","configurationProvider": "ms-vscode.cmake-tools"}],"version": 4
}

配置方式修改c_cpp_properties.json文件

{"configurations": [{"name": "Linux","includePath": ["${workspaceFolder}/**"],"defines": [],"compilerPath": "/usr/bin/gcc","cStandard": "c17","cppStandard": "gnu++17","intelliSenseMode": "linux-gcc-x64","configurationProvider": "ms-vscode.cmake-tools","compileCommands": "${workspaceFolder}/build/compile_commands.json"}],"version": 4
}

其中"compileCommands": "${workspaceFolder}/build/compile_commands.json"为新添加文件，build/compile_commands.json为执行cmake指令后生成的文件，在build目录下。