diff --git a/dir.go b/dir.go
index 97c394f..15496d9 100755
--- a/dir.go
+++ b/dir.go
@@ -1,6 +1,8 @@
 package file
 
 import (
+	"log"
+	"os"
 	"strings"
 )
 
diff --git a/download.go b/download.go
index 5745281..037b739 100644
--- a/download.go
+++ b/download.go
@@ -53,7 +53,7 @@ func DownProgress(url string, localPath string, fb func(length, downLen int64))
 	if err != nil {
 		// fmt.Println(err)
 	}
-	if IsFileExist(localPath, fsize) {
+	if ok, _ := IsFileExist(localPath, fsize); ok {
 		return err
 	}