diff --git a/rand/password_test.go b/rand/password_test.go
index bc1bf9c..7d81f6b 100644
--- a/rand/password_test.go
+++ b/rand/password_test.go
@@ -12,3 +12,11 @@ func TestRand_GetPassword(t *testing.T) {
 	fmt.Println(randTool.GetPassword())
 
 }
+
+func FuzzRand_GetPassword(f *testing.F) {
+	f.Fuzz(func(t *testing.T, a int) {
+		fmt.Println(a)
+		fmt.Println(randTool.GetPassword(a))
+	})
+
+}