diff --git a/common/nori/nori_test.go b/common/nori/nori_test.go
index f59f7c6..d9217d6 100644
--- a/common/nori/nori_test.go
+++ b/common/nori/nori_test.go
@@ -20,7 +20,7 @@ func TestParseFile1(t *testing.T) {
 	}
 	t.Logf("\n nori: %+v\n gawi: %+v", nori, nori.Gawi)
 	a := nori.ExportAnimation()
-	writeApng(a, "./nori_test/palette.apng")
+	writeApng(a, "./nori_test/test1.apng")
 }
 
 func TestParseFile2(t *testing.T) {
@@ -34,7 +34,7 @@ func TestParseFile2(t *testing.T) {
 	}
 	t.Logf("\n nori: %+v\n gawi: %+v", nori, nori.Gawi)
 	a := nori.ExportAnimation()
-	writeApng(a, "./nori_test/palette.apng")
+	writeApng(a, "./nori_test/test2.apng")
 }
 
 func TestParsePalette(t *testing.T) {
@@ -58,5 +58,5 @@ func writeApng(a *apng.APNG, fp string) {
 	if err != nil {
 		log.Errorf("fail to encode apng %s", err)
 	}
-	os.WriteFile("./nori_test/palette.apng", out.Bytes(), 0740)
+	os.WriteFile(fp, out.Bytes(), 0740)
 }
diff --git a/common/nori/nori_test/test1.apng b/common/nori/nori_test/test1.apng
new file mode 100755
index 0000000..f5822a9
Binary files /dev/null and b/common/nori/nori_test/test1.apng differ
diff --git a/common/nori/nori_test/test2.apng b/common/nori/nori_test/test2.apng
new file mode 100755
index 0000000..40d94af
Binary files /dev/null and b/common/nori/nori_test/test2.apng differ