<div dir="ltr"><font face="arial, sans-serif"><span style="font-size:14px">Here's the steps to reproduce the problme:</span></font><div style><font face="arial, sans-serif"><span style="font-size:14px">1. Click maintab A, click an item in the list, the subtab is shown out.</span></font></div>
<div style>2. Click another maintab B, then click A maintab again, click an item in the list, the subtab is missing.</div><div style><br></div><div style>If after clicking maintab B, I clicked its item in the list, I can see the subtab normally, and so does maintab A.</div>
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