fix: IDEA 导入的时候总是会将编译level变成5.0的问题

pom.xml

@@ -225,6 +225,16 @@
           <goals>deploy</goals>
         </configuration>
       </plugin>
+      <plugin>
+        <groupId>org.apache.maven.plugins</groupId>
+        <artifactId>maven-compiler-plugin</artifactId>
+        <version>2.3.2</version>
+        <configuration>
+          <source>1.7</source>
+          <target>1.7</target>
+          <encoding>UTF-8</encoding>
+        </configuration>
+      </plugin>
     </plugins>
   </build>