修正競賽團隊編輯、個人賽顯示、團體賽顯示 bug

components/competition/team-detail-dialog.tsx

@@ -309,7 +309,7 @@ export function TeamDetailDialog({ open, onOpenChange, team }: TeamDetailDialogP
                     {team.members.map((member: any, index: number) => (
                       <div key={member.id} className="flex items-center space-x-3 p-4 border rounded-lg">
                         <Avatar className="w-12 h-12">
-                          <AvatarImage src={`/placeholder-40x40.png`} />
+                          <AvatarImage src={member.avatar} />
                           <AvatarFallback className="bg-green-100 text-green-700 font-medium">
                             {member.name[0]}
                           </AvatarFallback>