修改区域添加时，区域编号重复检查功能。

侯瑞军

2020-04-09 4c517057e540851198b28b6f2134366dc0f2af47

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<?xml version="1.0" encoding="UTF-8"?>
<project version="4">
  <component name="VcsDirectoryMappings">
    <mapping directory="$PROJECT_DIR$" vcs="Git" />
  </component>
</project>