fix

AutoTurnOver/appsettings.Production.json

 {
   "ConnectionStrings": {
     "Default": "server=gz-cdb-kp7s5i79.sql.tencentcdb.com;port=61691;database=bailun_datacenter;uid=root;password=#7kfnymAM$Y9-Ntf;Max Pool Size=300;",
-    "ReadOnly": "server=gz-cdb-kp7s5i79.sql.tencentcdb.com;port=61691;database=bailun_datacenter;uid=root;password=#7kfnymAM$Y9-Ntf;Max Pool Size=300;",
+    "ReadOnly": "server=10.0.8.21;port=3306;database=bailun_datacenter;uid=root;password=#7kfnymAM$Y9-Ntf;Max Pool Size=300;",
     "RedisConnectionString": "aims-redis.data-center,password=SpaceHorse1,DefaultDatabase=0"
   },
   "Logging": {