diff --git a/source/Model/Group.ts b/source/Model/Group.ts
index 39a7e0c..2dacd11 100644
--- a/source/Model/Group.ts
+++ b/source/Model/Group.ts
@@ -1,11 +1,12 @@
 import { Individual } from "./Individual";
+import { LabelObject } from "./Label";
 import type { Behavior } from "./Behavior"; 
 import type { Model } from "./Model";
 
 /**
  * 群体类型
  */
-class Group {
+class Group extends LabelObject {
 
 	/**
 	 * 所有个体
diff --git a/source/Model/Label.ts b/source/Model/Label.ts
index 79fac66..693d72a 100644
--- a/source/Model/Label.ts
+++ b/source/Model/Label.ts
@@ -79,4 +79,6 @@ class LabelObject {
         });
         return has;
     }
-}
\ No newline at end of file
+}
+
+export { Label, LabelObject };
\ No newline at end of file