diff --git a/src/senior/Collection/CollectionList.kt b/src/senior/Collection/CollectionList.kt
index d914858..43a3241 100644
--- a/src/senior/Collection/CollectionList.kt
+++ b/src/senior/Collection/CollectionList.kt
@@ -39,6 +39,11 @@ fun main(args: Array<String>) {
     println("multiList中存在zeroList" + multiList.containsAll(zeroList))
 
     /**
-     *
+     * 可变list
      */
+    var muList: MutableList<Int> = mutableListOf()
+    muList.add(0)
+    muList.add(5)
+    muList.add(0,6)
+    println(muList)
 }