diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..c9f6b44
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,21 @@
+# Created by .ignore support plugin (hsz.mobi)
+### Go template
+# Binaries for programs and plugins
+*.exe
+*.exe~
+*.dll
+*.so
+*.dylib
+*.xlsx
+
+# Test binary, built with `go test -c`
+*.test
+
+# Output of the go coverage tool, specifically when used with LiteIDE
+*.out
+
+# Dependency directories (remove the comment below to include it)
+# vendor/
+.idea
+.vscode
+mail_test.go
diff --git a/go.mod b/go.mod
new file mode 100644
index 0000000..dec5078
--- /dev/null
+++ b/go.mod
@@ -0,0 +1,3 @@
+module git.zhangdeman.cn/zhangdeman/rpc
+
+go 1.17