删除target文件夹

target/classes/application.yml

-spring:
-  datasource:
-    username: root
-    password: Huang123+
-    url: jdbc:mysql://47.106.142.73:3306/dataTest?useSSL=false&serverTimezone=GMT%2b8&characterEncoding=utf-8&nullCatalogMeansCurrent=true
-    driver-class-name: com.mysql.cj.jdbc.Driver
-  jpa:
-    show-sql: true
-    hibernate:
-      ddl-auto: update
-server:
-      port: 8801