SQLPlus solve Chinese charactor error

Coral

First of all, run the sqlplus.
1. open cmd and input follow script (*Setup charactor to make the chinese script is correct.)
--setup charactor(DOS)(UTF8)echo %NLS_LANG%set NLS_LANG=AMERICAN_AMERICA.UTF82. input "sqlplus".
3. input database information："app_dev/app_devpwd@o1234g"
4. use follow commond to run sql list: "@@D:\dbscript\script_list.sql"
5. The "script_list.sql" should be:
whenever oserror exit rollbackwhenever sqlerror exit rollbackset define offset feedback onset echo onSET TERMOUT onspool upgrade_script_.log----------------------------------------------------@@APP/PUB/201101121752_dml_1.sqlcommit;@@APP/PUB/201102021541_dml_2.sqlcommit;----------------DBScript Execute Success------------spool offquit