diff --git a/AIStudyApp/AIStudyApp/Assets.xcassets/Icons/icon-settings.imageset/icon-settings.svg b/AIStudyApp/AIStudyApp/Assets.xcassets/Icons/icon-settings.imageset/icon-settings.svg
index 0c56445..0c817a8 100644
--- a/AIStudyApp/AIStudyApp/Assets.xcassets/Icons/icon-settings.imageset/icon-settings.svg
+++ b/AIStudyApp/AIStudyApp/Assets.xcassets/Icons/icon-settings.imageset/icon-settings.svg
@@ -1 +1 @@
-<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" width="24" height="24" viewBox="0 0 24 24" fill="none"><path d="M11.0351 3.5C10.6521 3.5 10.3306 3.7886 10.2894 4.16939L9.54378 4.08878L10.2894 4.16939L10.2506 4.52863C10.1516 5.44477 9.5477 6.15186 8.85512 6.55327C8.15718 6.95779 7.24792 7.12054 6.40646 6.74888L6.07485 6.60242C5.72449 6.44768 5.31382 6.58179 5.12232 6.91348L4.1564 8.58651C3.96489 8.91821 4.05408 9.34091 4.36328 9.56696L4.64268 9.77123C5.39221 10.3192 5.70746 11.1997 5.70746 12.0112C5.70746 12.8117 5.39504 13.6787 4.65627 14.2188L4.36329 14.433C4.0541 14.6591 3.9649 15.0818 4.15641 15.4135L5.12233 17.0865C5.31384 17.4182 5.72451 17.5523 6.07487 17.3976L6.37496 17.265C7.22531 16.8895 8.14405 17.0558 8.84848 17.4653C9.54561 17.8705 10.1545 18.5827 10.2543 19.5059L10.2894 19.8306C10.3306 20.2114 10.6521 20.5 11.0351 20.5L12.9669 20.5C13.3499 20.5 13.6714 20.2114 13.7126 19.8306L13.7458 19.5231C13.8463 18.5937 14.4609 17.8776 15.1632 17.4711C15.8699 17.0621 16.7906 16.896 17.6429 17.2724L17.9263 17.3976C18.2767 17.5523 18.6873 17.4182 18.8788 17.0865L19.8447 15.4135C20.0363 15.0818 19.9471 14.6591 19.6379 14.433L19.3746 14.2406C18.6286 13.6952 18.3143 12.8191 18.3143 12.0112C18.3143 11.1923 18.6314 10.3028 19.3881 9.74954L19.6379 9.56696C19.9471 9.34091 20.0363 8.91821 19.8448 8.58651L18.8788 6.91348C18.6873 6.58179 18.2767 6.44768 17.9263 6.60242L17.6114 6.74153C16.768 7.11404 15.8567 6.95152 15.1565 6.5474C14.4588 6.14475 13.8493 5.43383 13.7496 4.51151L13.7126 4.16939C13.6714 3.78859 13.3499 3.5 12.9669 3.5L11.0351 3.5ZM8.79812 4.00817C8.92162 2.86579 9.88605 2 11.0351 2L12.9669 2C14.116 2 15.0804 2.86579 15.2039 4.00817L15.2409 4.35029C15.2767 4.68179 15.5117 5.02052 15.9062 5.24823C16.2953 5.47275 16.6983 5.50501 17.0053 5.3694L17.3203 5.2303C18.3714 4.76606 19.6034 5.16839 20.1779 6.16348L21.1438 7.83651C21.7183 8.83161 21.4507 10.0997 20.5232 10.7779L20.2734 10.9604C19.9937 11.1649 19.8143 11.5462 19.8143 12.0112C19.8143 12.4627 19.9893 12.8318 20.2599 13.0297L20.5231 13.2221C21.4507 13.9003 21.7183 15.1684 21.1438 16.1635L20.1779 17.8365C19.6033 18.8316 18.3713 19.2339 17.3203 18.7697L17.0368 18.6445C16.7229 18.5058 16.3113 18.5398 15.9145 18.7694C15.5133 19.0015 15.2737 19.3462 15.2371 19.6843L15.2039 19.9918C15.0804 21.1342 14.116 22 12.9669 22L11.0351 22C9.88605 22 8.92162 21.1342 8.79812 19.9918L8.76302 19.6672C8.72692 19.3332 8.49082 18.9923 8.09471 18.7621C7.70111 18.5333 7.29239 18.4996 6.98099 18.6372L6.6809 18.7697C5.62982 19.2339 4.39781 18.8316 3.8233 17.8365L2.85737 16.1635C2.28285 15.1684 2.55043 13.9003 3.47801 13.2221L3.77099 13.0079C4.03551 12.8145 4.20746 12.4535 4.20746 12.0112C4.20746 11.5553 4.03101 11.1822 3.7574 10.9821L3.478 10.7779L3.92064 10.1724L3.478 10.7779C2.55042 10.0997 2.28284 8.83161 2.85736 7.83651L3.82328 6.16348C4.3978 5.16839 5.62981 4.76606 6.68089 5.2303L7.01249 5.37676C7.31695 5.51123 7.71705 5.47915 8.10294 5.25549C8.49248 5.02972 8.7239 4.69474 8.75929 4.3674L8.79812 4.00817Z" fill-rule="evenodd" fill="#000000"></path><path d="M12.0001 9.75C10.7575 9.75 9.75012 10.7574 9.75012 12C9.75012 13.2426 10.7575 14.25 12.0001 14.25C13.2428 14.25 14.2501 13.2426 14.2501 12C14.2501 10.7574 13.2428 9.75 12.0001 9.75ZM8.25012 12C8.25012 9.92893 9.92905 8.25 12.0001 8.25C14.0712 8.25 15.7501 9.92893 15.7501 12C15.7501 14.0711 14.0712 15.75 12.0001 15.75C9.92905 15.75 8.25012 14.0711 8.25012 12Z" fill-rule="evenodd" fill="#AEAEAE"></path></svg>
+<svg xmlns="http://www.w3.org/2000/svg" width="24" height="24" viewBox="0 0 24 24" fill="none" stroke="#000" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><path stroke="none" d="M0 0h24v24H0z" fill="none"/><path d="M10.325 4.317c.426 -1.756 2.924 -1.756 3.35 0a1.724 1.724 0 0 0 2.573 1.066c1.543 -.94 3.31 .826 2.37 2.37a1.724 1.724 0 0 0 1.065 2.572c1.756 .426 1.756 2.924 0 3.35a1.724 1.724 0 0 0 -1.066 2.573c.94 1.543 -.826 3.31 -2.37 2.37a1.724 1.724 0 0 0 -2.572 1.065c-.426 1.756 -2.924 1.756 -3.35 0a1.724 1.724 0 0 0 -2.573 -1.066c-1.543 .94 -3.31 -.826 -2.37 -2.37a1.724 1.724 0 0 0 -1.065 -2.572c-1.756 -.426 -1.756 -2.924 0 -3.35a1.724 1.724 0 0 0 1.066 -2.573c-.94 -1.543 .826 -3.31 2.37 -2.37c1 .608 2.296 .07 2.572 -1.065"/><path d="M9 12a3 3 0 1 0 6 0a3 3 0 0 0 -6 0"/></svg>