优化数据库配置

src/main/resources/application-dev.properties

@@ -6,7 +6,7 @@ spring.datasource.driver-class-name=com.mysql.jdbc.Driver
 spring.datasource.test-while-idle=true
 spring.datasource.test-on-borrow=false
 spring.datasource.test-on-return=false
-spring.datasource.validation-query=SELECT 1 FROM DUAL
+spring.datasource.validation-query=select 1 from dual
 spring.datasource.time-between-eviction-runs-millis=300000
 spring.datasource.min-evictable-idle-time-millis=1800000
 spring.datasource.max-wait=10000

src/main/resources/application-pro.properties

@@ -3,11 +3,10 @@ spring.datasource.username=root
 spring.datasource.password=egolm#2018
 spring.datasource.driver-class-name=com.mysql.jdbc.Driver
 
-
 spring.datasource.test-while-idle=true
 spring.datasource.test-on-borrow=false
 spring.datasource.test-on-return=false
-spring.datasource.validation-query=SELECT 1 FROM DUAL
+spring.datasource.validation-query=select 1 from dual
 spring.datasource.time-between-eviction-runs-millis=300000
 spring.datasource.min-evictable-idle-time-millis=1800000
 spring.datasource.max-wait=10000