fix issue

Author: mini-lee-tpi

build.gradle

@@ -214,7 +214,7 @@ project(':dgrv4_Gateway_serv'){
 		implementation project(':dgrv4_H2Config_lib')
 		implementation 'com.microsoft.sqlserver:mssql-jdbc'
 		implementation 'com.oracle.database.jdbc:ojdbc11'
-		implementation 'org.postgresql:postgresql'
+		implementation 'org.postgresql:postgresql:42.7.7'
 		implementation('org.mariadb.jdbc:mariadb-java-client:3.1.2', {
 			exclude group: 'net.java.dev.jna', module: 'jna-platform'  //使用其它版本的相依
 			exclude group: 'com.google.protobuf', module: 'protobuf-java'