diff --git a/coolq/cqcode.go b/coolq/cqcode.go
index 5f8c956..7cd8c9b 100644
--- a/coolq/cqcode.go
+++ b/coolq/cqcode.go
@@ -1021,10 +1021,12 @@ video:
 		b, _ := ioutil.ReadFile(rawPath)
 		r := binary.NewReader(b)
 		return &LocalVideoElement{ShortVideoElement: message.ShortVideoElement{ // todo 检查缓存是否有效
-			Md5:  r.ReadBytes(16),
-			Size: r.ReadInt32(),
-			Name: r.ReadString(),
-			Uuid: r.ReadAvailable(),
+			Md5:       r.ReadBytes(16),
+			ThumbMd5:  r.ReadBytes(16),
+			Size:      r.ReadInt32(),
+			ThumbSize: r.ReadInt32(),
+			Name:      r.ReadString(),
+			Uuid:      r.ReadAvailable(),
 		}}, nil
 	} else {
 		return &LocalVideoElement{File: rawPath}, nil
diff --git a/coolq/event.go b/coolq/event.go
index 5b9dd79..86fb713 100644
--- a/coolq/event.go
+++ b/coolq/event.go
@@ -566,7 +566,9 @@ func (bot *CQBot) checkMedia(e []message.IMessageElement) {
 			if !global.PathExists(path.Join(global.VIDEO_PATH, filename)) {
 				_ = ioutil.WriteFile(path.Join(global.VIDEO_PATH, filename), binary.NewWriterF(func(w *binary.Writer) {
 					w.Write(i.Md5)
+					w.Write(i.ThumbMd5)
 					w.WriteUInt32(uint32(i.Size))
+					w.WriteUInt32(uint32(i.ThumbSize))
 					w.WriteString(i.Name)
 					w.Write(i.Uuid)
 				}), 0644)