Fix application.properties error.

example/init.d/application.properties

@@ -27,9 +27,9 @@ server.port=8848
 # nacos.inetutils.ip-address=
 #*************** Config Module Related Configurations ***************#
 ### Deprecated configuration property, it is recommended to use `spring.sql.init.platform` replaced.
-# spring.datasource.platform=mysql
+#spring.datasource.platform=${SPRING_DATASOURCE_PLATFORM:}
+spring.sql.init.platform=${SPRING_DATASOURCE_PLATFORM:}
 # nacos.plugin.datasource.log.enabled=true
-spring.sql.init.platform=mysql
 ### Count of DB:
 db.num=1
 ### Connect URL of DB:
@@ -43,7 +43,6 @@ db.pool.config.maximumPoolSize=20
 db.pool.config.minimumIdle=2
 #*************** Naming Module Related Configurations ***************#
 ### Data dispatch task execution period in milliseconds:
-
 ### If enable data warmup. If set to false, the server would accept request without local data preparation:
 # nacos.naming.data.warmup=true
 ### If enable the instance auto expiration, kind like of health check of instance:
@@ -134,7 +133,6 @@ nacos.core.auth.plugin.nacos.token.secret.key=SecretKey0123456789012345678901234
 #*************** Istio Related Configurations ***************#
 ### If turn on the MCP server:
 nacos.istio.mcp.server.enabled=false
-
 ###*************** Add from 1.3.0 ***************###
 #*************** Core Related Configurations ***************#
 ### set the WorkerID manually