docs(admin):修改properties配置文件

xxl-job-admin/src/main/resources/application.properties

@@ -17,7 +17,7 @@ spring.freemarker.settings.number_format=0.##########
 mybatis.mapper-locations=classpath:/mybatis-mapper/*Mapper.xml
 
 ### xxl-job, datasource
-spring.datasource.url=jdbc:mysql://135.202.16.39:3306/xxl-job-new?useUnicode=true&characterEncoding=UTF-8
+spring.datasource.url=jdbc:mysql://135.202.16.39:3306/xxl-job?useUnicode=true&characterEncoding=UTF-8
 spring.datasource.username=root
 spring.datasource.password=Space1234
 spring.datasource.driver-class-name=com.mysql.jdbc.Driver