在配置文件里配置cuoSize显示没有该文件
server:
port: 8080
cupSize:B
错误提示：
Caused by: org.yaml.snakeyaml.scanner.ScannerException: while scanning a simple key
in 'reader', line 3, column 1:
cupSize:B
^
could not find expected ':'
in 'reader', line 3, column 10:
cupSize:B
^
at org.yaml.snakeyaml.scanner.ScannerImpl.removePossibleSimpleKey(ScannerImpl.java:514)
