fix: 字段类型错误的问题

src/pipeline-tasks/models/pipeline-task-logs.model.ts

@@ -6,7 +6,7 @@ import { Field, ObjectType } from '@nestjs/graphql';
 export class PipelineTaskLogs {
   @Field(() => PipelineUnits)
   unit: PipelineUnits;
-  @Field(() => PipelineUnits)
+  @Field(() => TaskStatuses)
   status: TaskStatuses;
   startedAt?: Date;
   endedAt?: Date;