修改数据库连接

src/main/resources/application.yml

@@ -16,7 +16,7 @@ spring:
     #执行的sql语句
     data: classpath:data.sql
     #主配置
-    url: jdbc:mysql://rm-wz94y97i14y971999to.mysql.rds.aliyuncs.com/operation?useUnicode=true&characterEncoding=utf-8&useSSL=false
+    url: jdbc:mysql://rm-wz94y97i14y971999to.mysql.rds.aliyuncs.com/chain?useUnicode=true&characterEncoding=utf-8&useSSL=false
     username: root
     password: Maxrocky5721
     driver-class-name: com.mysql.cj.jdbc.Driver