Statistic nav button shows overlaps with the main Screen's content.

while selecting **Statistic** from the **nav** bar. It overlaps with the main content and **blocks the main screen's content** there is no option to get back . **Re-clicking Statistic doesn't unblock the screen and the content of Statistic still remains there. and result in making the problems for the user.**

在導覽列中選取 Statistic 來重現問題，並將結果與連結的螢幕截圖進行比較。追蹤 Statistic 檢視畫面和主畫面配置，以找出重疊發生的位置；完成表示主要內容仍可使用、Statistic 檢視畫面可以關閉或取代，且再次點擊 Statistic 不會讓它繼續阻擋畫面。

由索引模型根據 Issue 內容生成。