diff --git a/internal/api/msg.go b/internal/api/msg.go
index fdfaa6e07..464eae96e 100644
--- a/internal/api/msg.go
+++ b/internal/api/msg.go
@@ -475,7 +475,7 @@ func (m *MessageApi) CallbackExample(c *gin.Context) {
 			content["content"] = con.Content
 		} else {
 			//"req.Content": "{\"sourcePath\":\"/screenshot1705471793324.png\",\"sourcePicture\":{\"uuid\":\"6f9660f9-6c8b-42e2-a38b-773f67466772/screenshot1705471793324.png\",\"type\":\"image/png\",\"size\":654,\"width\":167,\"height\":196,\"url\":\"http://150.109.93.151:10002/object/3097485888/msg_picture_b09c0b7b433a050fa84a563d7b82c576.png\"},\"bigPicture\":{\"uuid\":\"6f9660f9-6c8b-42e2-a38b-773f67466772/screenshot1705471793324.png\",\"type\":\"image/png\",\"size\":654,\"width\":167,\"height\":196,\"url\":\"http://150.109.93.151:10002/object/3097485888/msg_picture_b09c0b7b433a050fa84a563d7b82c576.png\"},\"snapshotPicture\":{\"size\":0,\"width\":640,\"height\":640,\"url\":\"http://150.109.93.151:10002/object/3097485888/msg_picture_b09c0b7b433a050fa84a563d7b82c576.png?height=640\\u0026type=image\\u0026width=640\"}}"
-			con := apistruct.PictureElem{}
+			//con := apistruct.PictureElem{}
 
 			err = json.Unmarshal([]byte(req.Content), &content)
 			if err != nil {