diff --git a/cmd/cmd/csv.go b/cmd/cmd/csv.go
index c002486..887defb 100644
--- a/cmd/cmd/csv.go
+++ b/cmd/cmd/csv.go
@@ -162,5 +162,9 @@ func (e *Csv) mergeCsvToExcel(path string, max int, out string) error {
 		Reader{Path: path, Index: max},
 		Writer{File: out, Limit: 500000},
 	)
-	return m.Merge()
+	if err := m.Merge(); err != nil {
+		return err
+	}
+
+	return m.Clear()
 }
diff --git a/cmd/cmd/merge.go b/cmd/cmd/merge.go
index 36bb17c..835dace 100644
--- a/cmd/cmd/merge.go
+++ b/cmd/cmd/merge.go
@@ -156,7 +156,11 @@ func (m *Merge) Save() error {
 	return m.file.SaveAs(m.writer.GetFileName(m.fileIndex))
 }
 
-//GetFileName 获取文件名
+func (m *Merge) Clear() error {
+	return os.RemoveAll(m.reader.Path)
+}
+
+// GetFileName 获取文件名
 func (w *Writer) GetFileName(fileIndex int) string {
 	ex := regexp.MustCompile("(\\..*)")
 	name := ex.ReplaceAllFunc([]byte(w.File), func(b []byte) []byte {