增加json时区，修付开始采集状态，修改导出校验

guyue

2025-08-15 7c1335ff559c08bbcef479bd2b01a08a1f4e55f2

 src/main/java/com/linghu/model/dto/TaskCancelResponse.java

@@ -17,4 +17,8 @@
    public TaskCancelResponse() {
        super();
    }

    public TaskCancelResponse(String format) {
        this.detail = format;
    }
}