diff --git a/test/task_test.go b/test/task_test.go
new file mode 100644
index 0000000..0aa11da
--- /dev/null
+++ b/test/task_test.go
@@ -0,0 +1,16 @@
+package test
+
+import (
+	"acme-mana/src"
+	"log"
+	"path"
+	"testing"
+)
+
+func TestA(t *testing.T) {
+	domain := src.GetAppConfig().Domains[0]
+	name := domain.Name
+	dir := src.GetAppConfig().CertDir
+	certDir := path.Join(dir, name)
+	log.Println(src.ValidExist(certDir, domain))
+}