diff --git a/mybatis-flex-codegen/src/main/java/com/mybatisflex/codegen/generator/impl/PackageInfoGenerator.java b/mybatis-flex-codegen/src/main/java/com/mybatisflex/codegen/generator/impl/PackageInfoGenerator.java
index d6c1fab1..9f7d0f95 100644
--- a/mybatis-flex-codegen/src/main/java/com/mybatisflex/codegen/generator/impl/PackageInfoGenerator.java
+++ b/mybatis-flex-codegen/src/main/java/com/mybatisflex/codegen/generator/impl/PackageInfoGenerator.java
@@ -98,6 +98,9 @@ public class PackageInfoGenerator implements IGenerator {
         this.templatePath = templatePath;
     }
 
+    /**
+     * 内置类，用于存放数据。
+     */
     private static class Data {
 
         String packageName;