diff --git a/.gitignore b/.gitignore
index 4827158..02984c1 100644
--- a/.gitignore
+++ b/.gitignore
@@ -22,6 +22,9 @@ test_*
 # 示例程序编译产物
 example/webapp/webapp
 example/webapp/logs/
+example/concurrent/concurrent
+example/index/index
+example/topic_processor/topic_processor
 example/test_*/
 examples/