perf: 直接使用仓库类简化代码

leopard-server/src/main/resources/application.yml

@@ -9,12 +9,9 @@ spring:
     async:
       request-timeout: 3600000
   datasource:
-    # url: jdbc:mysql://mysql.lanyuanxiaoyao.com:43780/leopard?useSSL=false
-    # url: jdbc:mysql://192.168.31.127:3780/leopard?useSSL=false
     url: jdbc:postgresql://81.71.3.24:6785/leopard_dev
     username: leopard
     password: '9NEzFzovnddf@PyEP?e*AYAWnCyd7UhYwQK$pJf>7?ccFiN^x4$eKEZ5~E<7<+~X'
-    # driver-class-name: com.mysql.cj.jdbc.Driver
     driver-class-name: org.postgresql.Driver
   jpa:
     generate-ddl: true