优化项目结构、优化 maven 结构

office-plugin/pom.xml

@@ -3,10 +3,14 @@
          xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
          xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
     <modelVersion>4.0.0</modelVersion>
+
+    <parent>
+        <artifactId>filepreview</artifactId>
         <groupId>cn.keking</groupId>
+        <version>3.3.1</version>
+    </parent>
+
     <artifactId>office-plugin</artifactId>
-    <version>1.0-SNAPSHOT</version>
-    <packaging>jar</packaging>
 
     <repositories>
         <repository>