修正團體管理的 BUG

components/competition/competition-detail-dialog.tsx

@@ -372,7 +372,7 @@ export function CompetitionDetailDialog({
                   <div
                     key={member.id}
                     className={`border rounded-lg p-4 ${
-                      member.id === team.leader ? "border-green-300 bg-green-50" : "border-gray-200"
+                      member.role === '隊長' ? "border-green-300 bg-green-50" : "border-gray-200"
                     }`}
                   >
                     <div className="flex items-center space-x-3">
@@ -383,7 +383,7 @@ export function CompetitionDetailDialog({
                       <div className="flex-1">
                         <div className="flex items-center space-x-2">
                           <h4 className="font-semibold">{member.name}</h4>
-                          {member.id === team.leader && (
+                          {member.role === '隊長' && (
                             <Badge variant="secondary" className="bg-green-100 text-green-800">
                               隊長
                             </Badge>