项目启动时抛出org.yaml.snakeyaml.scanner.ScannerException

01 异常信息

Caused by: org.yaml.snakeyaml.scanner.ScannerException: while scanning a simple key
 in 'reader', line 21, column 1:
    01
    ^
could not find expected ':'
 in 'reader', line 22, column 1:
    #        sqlserver:
​

02 原因分析