diff --git a/cryptor/basic_test.go b/cryptor/basic_test.go
index f0cccbe..90e5f92 100644
--- a/cryptor/basic_test.go
+++ b/cryptor/basic_test.go
@@ -13,7 +13,7 @@ func TestBase64StdEncode(t *testing.T) {
 
 func TestBase64StdDecode(t *testing.T) {
 	assert := internal.NewAssert(t, "TestBase64StdDecode")
-	assert.Equal("hello world", Base64StdEncode("aGVsbG8gd29ybGQ="))
+	assert.Equal("hello world", Base64StdDecode("aGVsbG8gd29ybGQ="))
 }
 
 func TestMd5String(t *testing.T) {
diff --git a/fileutil/file_test.go b/fileutil/file_test.go
index 446a9e2..6ee5956 100644
--- a/fileutil/file_test.go
+++ b/fileutil/file_test.go
@@ -47,9 +47,9 @@ func TestIsDir(t *testing.T) {
 
 func TestRemoveFile(t *testing.T) {
 	assert := internal.NewAssert(t, "TestRemoveFile")
-
 	f := "./text.txt"
-	if CreateFile(f) {
+	if !IsExist(f) {
+		CreateFile(f)
 		err := RemoveFile(f)
 		assert.IsNil(err)
 	}