diff --git a/2022/01/golang_demo3/.gitignore b/2022/01/golang_demo3/.gitignore
new file mode 100644
index 0000000..c38fa4e
--- /dev/null
+++ b/2022/01/golang_demo3/.gitignore
@@ -0,0 +1,2 @@
+.idea
+*.iml