fix 学时

zhongzheng-admin/src/main/resources/application-dev.yml

@@ -6,7 +6,7 @@ spring:
         druid:
             # 主库数据源
             master:
-                url: jdbc:mysql://192.168.1.222:3306/zz_edu_saas_pre?useUnicode=true&characterEncoding=utf8&zeroDateTimeBehavior=convertToNull&useSSL=true&serverTimezone=GMT%2B8&autoReconnect=true
+                url: jdbc:mysql://192.168.1.222:3306/zz_edu_saas?useUnicode=true&characterEncoding=utf8&zeroDateTimeBehavior=convertToNull&useSSL=true&serverTimezone=GMT%2B8&autoReconnect=true
                 username: root
                 password:  zhongzheng2021
             # 从库数据源