diff --git a/pom.xml b/pom.xml
index 2798f2e8..5617a96f 100644
--- a/pom.xml
+++ b/pom.xml
@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
          xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
-    <modelVersion>4.0.0</modelVersion>
+    <modelVersion>4.0.0</modelVersion> <!-- 模型版本 -->
     <groupId>com.spring</groupId>
     <artifactId>ccl-plm-java</artifactId>