Seata（2.0.0）update语句表名不支持加别名-oracle数据库

如果sql为：update mallcard.qst_mallcard_info t set t.amount = t.amount + 10 where t.card_no = ''；加了别名t，在回滚时会报标识符无效，发现Seata的for update 语句在amount字段上加了双引号，如下图

如果sql为：update mallcard.qst_mallcard_info t set amount = amount + 10 where t.card_no = '';，则可以正常回滚

Environment:
JDK version(e.g. java -version): 1.8
Seata client/server version: 2.0.0
Database version: Oracle Database 11g Enterprise Edition Release 11.2.0.4.0 - 64bit Production
OS(e.g. uname -a): Linux
Others:

Start by reproducing the two UPDATE forms against Oracle Database 11g with Seata client/server 2.0.0, then compare the generated for-update SQL and rollback behavior. Done means the aliased UPDATE rolls back without an invalid-identifier error while the existing non-aliased form continues to work.

Written by the indexing model from the issue text.