[CMT8.4.1.201211]When migrate function sql, it isn't good

1 Goto step3, import the sql1.xls
2 The target table is same. click next, it will pop warning
3 Double click sql2,tables.click next, it will pop warning
Q1:
4 Double click sql3,change the table name, click next, it pop error too.

Suggestion, it can pass.

Q2:
After step4, change the sql to "select concat(s_name,f_name) as b from code", click sql3, there isn't column.

Suggestion:
It can display the column name and target name.