一、异常内容
### Cause: org.postgresql.util.PSQLException: ERROR: column "parent_id" does not exist
位置:72
; bad SQL grammar []; nested exception is org.postgresql.util.PSQLException: ERROR: column "parent_id" does not exist
位置:72
at org.springframework.jdbc.support.SQLStateSQLExceptionTranslator.doTranslate(SQLStateSQLExceptionTranslator.java:101)
at org.springframework.jdbc.support.AbstractFal