diff --git a/scanner/pages/frame/frame.js b/scanner/pages/frame/frame.js
index 825cac0..df27d65 100644
--- a/scanner/pages/frame/frame.js
+++ b/scanner/pages/frame/frame.js
@@ -122,7 +122,10 @@ Page({
             uploading: true,
         });
         const url = `https://themblem.com/api/v5/frame/${session_id}/${frame_id}`;
-        const image_data_url = data_url_from_frame(res.width, res.height, res.data);
+        var uca1 = new Uint8ClampedArray(res.data);
+        var uca = new Uint8ClampedArray(uca1);
+  
+        const image_data_url = data_url_from_frame(res.width, res.height, uca);
         wx.request({
             url,
             method: "POST",