修改数据库连接端口

src/main/resources/application-live.yml

@@ -2,7 +2,7 @@ spring:
 
   datasource:
     driver-class-name: com.mysql.jdbc.Driver
-    url: jdbc:192.168.0.18:2908/promotion?autoReconnect=true
+    url: jdbc:192.168.0.18:3306/promotion?autoReconnect=true
     username: NvqGbJXH
     password: D9Y@FR,84B*$MD^A36&m
   redis: