diff --git a/.gitignore b/.gitignore
index a00c64b..33b0950 100644
--- a/.gitignore
+++ b/.gitignore
@@ -11,6 +11,7 @@ profile*.pdf
 /pre-commit.sh
 /TODO.md
 /playground
+/playground/cc
 
 /pkg/tag
 /pkg/nazatime
diff --git a/pkg/nazahttp/http.go b/pkg/nazahttp/http.go
new file mode 100644
index 0000000..11bcf24
--- /dev/null
+++ b/pkg/nazahttp/http.go
@@ -0,0 +1,29 @@
+package nazahttp
+
+import (
+	"io"
+	"net/http"
+	"os"
+	"time"
+)
+
+// 获取 http 文件保存至本地
+func DownloadHttpFile(url string, saveTo string, timeoutMSec int) (int64, error) {
+	var c http.Client
+	if timeoutMSec > 0 {
+		c.Timeout = time.Duration(timeoutMSec) * time.Millisecond
+	}
+	resp, err := c.Get(url)
+	if err != nil {
+		return -1, err
+	}
+	defer resp.Body.Close()
+
+	fp, err := os.Create(saveTo)
+	if err != nil {
+		return -1, err
+	}
+	defer fp.Close()
+
+	return io.Copy(fp, resp.Body)
+}
diff --git a/pkg/nazahttp/http_test.go b/pkg/nazahttp/http_test.go
new file mode 100644
index 0000000..19ddd6b
--- /dev/null
+++ b/pkg/nazahttp/http_test.go
@@ -0,0 +1,19 @@
+package nazahttp_test
+
+import (
+	"github.com/q191201771/naza/pkg/assert"
+	"github.com/q191201771/naza/pkg/nazahttp"
+	"testing"
+)
+
+func TestDownloadHttpFile(t *testing.T) {
+	n, err := nazahttp.DownloadHttpFile("http://pengrl.com", "/tmp/index.html", 10000)
+	assert.Equal(t, true, n > 0)
+	assert.Equal(t, nil, err)
+
+	n, err = nazahttp.DownloadHttpFile("http://127.0.0.1:12356", "/tmp/index.html", 10000)
+	assert.IsNotNil(t, err)
+
+	n, err = nazahttp.DownloadHttpFile("http://pengrl.com", "/notexist/index.html", 10000)
+	assert.IsNotNil(t, err)
+}