diff --git a/fileutil/file_test.go b/fileutil/file_test.go
index 757a023f..86b8ac13 100644
--- a/fileutil/file_test.go
+++ b/fileutil/file_test.go
@@ -391,7 +391,7 @@ func TestWriteCsvFile(t *testing.T) {
 func TestWriteMapsToCsv(t *testing.T) {
 	assert := internal.NewAssert(t, "TestWriteMapsToCSV")
 
-	csvFilePath := "./testdata/test3.csv"
+	csvFilePath := "./testdata/test4.csv"
 	records := []map[string]string{
 		{"Name": "Lili", "Age": "22", "gender": "female"},
 		{"Name": "Jim", "Age": "21", "gender": "male"},
diff --git a/fileutil/testdata/test1.csv b/fileutil/testdata/test1.csv
index a3524ee3..6bbd640e 100644
--- a/fileutil/testdata/test1.csv
+++ b/fileutil/testdata/test1.csv
@@ -2,3 +2,4 @@ Lili,22,female
 Jim,21,male
 
 
+
diff --git a/fileutil/testdata/test2.csv b/fileutil/testdata/test2.csv
index a3524ee3..6bbd640e 100644
--- a/fileutil/testdata/test2.csv
+++ b/fileutil/testdata/test2.csv
@@ -2,3 +2,4 @@ Lili,22,female
 Jim,21,male
 
 
+
diff --git a/fileutil/testdata/test4.csv b/fileutil/testdata/test4.csv
new file mode 100644
index 00000000..875d813f
--- /dev/null
+++ b/fileutil/testdata/test4.csv
@@ -0,0 +1,3 @@
+Name;Age;gender
+Lili;22;female
+Jim;21;male