diff --git a/validate/validate.go b/validate/validate.go
new file mode 100644
index 0000000000000000000000000000000000000000..bcf619325005dd5dc506ec62f8e3ef219dad7fb6
--- /dev/null
+++ b/validate/validate.go
@@ -0,0 +1,16 @@
+package validate
+
+import "errors"
+
+func Validate(myType string) error {
+	switch myType {
+	case "1":
+		return nil
+	case "2":
+		return nil
+	case "3":
+		return errors.New("branch1 error")
+	}
+
+	return nil
+}