diff --git a/实验7/.vscode/settings.json b/实验7/.vscode/settings.json
index 0ac215c..8899871 100644
--- a/实验7/.vscode/settings.json
+++ b/实验7/.vscode/settings.json
@@ -1,7 +1,12 @@
 {
-    "java.project.sourcePaths": ["src"],
+    "java.project.sourcePaths": [
+        "src"
+    ],
     "java.project.outputPath": "bin",
     "java.project.referencedLibraries": [
         "lib/**/*.jar"
+    ],
+    "cSpell.words": [
+        "rawtypes"
     ]
-}
+}
\ No newline at end of file
diff --git a/实验7/src/task2/WalkCollection.java b/实验7/src/task2/WalkCollection.java
index c7dadcd..0edce62 100644
--- a/实验7/src/task2/WalkCollection.java
+++ b/实验7/src/task2/WalkCollection.java
@@ -16,8 +16,9 @@ public class WalkCollection {
         while (itr.hasNext()) {
             System.out.println(itr.next());
         }
-        
+
         // 使用foreach遍历arrayListExample集合
+        arrayListExample.forEach(System.out::println);
         // ---------------------End------------------------
     }
 }
\ No newline at end of file