Summary of size is not show correctly

[Jowi]

<p><strong>Reproduction steps:</strong></p>
<p><span>go to reports - update - expand </span></p>
<p><strong>Actual result:</strong></p>
<p><span>in my example - the "update" downloaded 3.95mb, but in the detailed report, it counts 0.</span></p>
<p><strong>Expected Result:</strong></p>
<p><span>normal counting</span></p>
<p><span></span></p>
<p><span><img src="https://i.gyazo.com/bb3fbee0079b04e33b01c2e3857bffbd.png" /></span></p>