fix openapi

src/tournament/entities/Tournament.entity.ts

@@ -17,6 +17,7 @@ import {
   NotQueryable,
   NotWritable,
   QueryEqual,
+  RestfulFactory,
 } from 'nicot';
 import { MycardUser } from 'nestjs-mycard';
 import { DescBase } from '../../utility/NamedBase.entity';
@@ -134,7 +135,10 @@ export class Tournament extends DescBase {
   matches: Match[];
 
   @NotColumn()
-  @ApiProperty({ description: '对阵图树' })
+  @ApiProperty({
+    description: '对阵图树',
+    type: () => new RestfulFactory(Match).entityResultDto,
+  })
   matchTree: Match;
 
   async beforeCreate() {