diff --git a/frontend/app/app/evaluations/page.tsx b/frontend/app/app/evaluations/page.tsx
index 35273e3..a6c160f 100644
--- a/frontend/app/app/evaluations/page.tsx
+++ b/frontend/app/app/evaluations/page.tsx
@@ -1217,8 +1217,8 @@ function SkillEditorSheet(props: {
 					</div>
 				) : null}
 
-				<div className="grid min-h-0 flex-1 grid-cols-[230px_minmax(0,1fr)]">
-					<aside className="min-h-0 overflow-y-auto border-r bg-muted/15 p-3">
+				<div className="grid min-h-0 flex-1 grid-cols-1 md:grid-cols-[230px_minmax(0,1fr)]">
+					<aside className="max-h-48 min-h-0 overflow-y-auto border-b bg-muted/15 p-3 md:max-h-none md:border-r md:border-b-0">
 						<div className="mb-2 flex items-center justify-between px-2 text-xs">
 							<span className="font-medium">Skill 文件</span>
 							<span className="text-muted-foreground">