Pull request #2010: 无jira 编译等级调到1.8

Merge in DESIGN/design from ~HADES/design:release/10.0 to release/10.0

* commit 'eb4e56f8e52d1c5a975d126d2b530d0a20270169':
  无jira 编译等级调到1.8

pom.xml

@@ -28,8 +28,8 @@
                 <artifactId>maven-compiler-plugin</artifactId>
                 <version>3.1</version>
                 <configuration>
-                    <source>1.7</source>
-                    <target>1.7</target>
+                    <source>1.8</source>
+                    <target>1.8</target>
                 </configuration>
             </plugin>
         </plugins>