[linkis-engineconn-manager-server ]module errorcode optimization and documentation
Example:
documentation(文档)

Error code optimization(错误码优化)

Classes that need to be optimized(需要优化的类)
| class |
path |
| ECMErrorConstants |
org.apache.linkis.ecm.server.errorcode.ECMErrorConstants |
| ECMErrorException |
org.apache.linkis.ecm.server.exception.ECMErrorException |