编译通过
diff --git a/.gitignore b/.gitignore
index 317f857..f68d7b3 100644
--- a/.gitignore
+++ b/.gitignore
@@ -20,6 +20,7 @@
 *.iml
 *.ipr
 /out/
+/**/out/
 
 ### NetBeans ###
 /nbproject/private/