org.yaml.snakeyaml.scanner.ScannerException: while scanning for the next token
found character '@' that cannot start any token. (Do not use @ for indentation)
 in 'reader', line 4, column 13:
        active: @spring.profiles.active@

 添加 以下依赖即可

<!-- 解决环境变量 can not use @ 问题 --><dependency><groupId>org.yaml</groupId><artifactId>snakeyaml</artifactId><version>${snakeyaml.version}</version></dependency>