R107/A1-A6 修复网页视觉巡检问题

client/src/pages/TravelRequestsPage.tsx

@@ -1072,7 +1072,7 @@ function TravelRequestForm(props: TravelRequestFormProps) {
                   </Button>
                 ) : null}
               </div>
-              <div className="grid gap-4 md:grid-cols-2 xl:grid-cols-3">
+              <div className="grid gap-4 md:grid-cols-2">
                 <div>
                   <Label>角色</Label>
                   <select