finish modification

pom.xml

src/main/java/com/ic/er/Attribute.java

src/main/java/com/ic/er/ER.java

src/main/java/com/ic/er/Entity.java

src/main/java/com/ic/er/LayoutInfo.java

src/main/java/com/ic/er/Relationship.java

src/main/java/com/ic/er/Trans.java

src/main/java/com/ic/er/View.java

src/main/java/com/ic/er/common/ViewDeserializer.java

src/main/java/com/ic/er/config/.gitkeep

src/main/java/com/ic/er/dto/AttributeDTO.java

src/main/java/com/ic/er/dto/EntityDTO.java

src/main/java/com/ic/er/dto/RelationshipDTO.java

src/main/java/com/ic/er/dto/ViewDTO.java

src/main/java/com/ic/er/entity/AttributeDO.java

src/main/java/com/ic/er/exception/ERException.java

src/main/resources/jdbc.properties

src/main/resources/mybatis-config.xml

src/main/resources/templates/delete

src/test/java/com/ic/er/TestAttribute.java