pageNum 확인 if문 추가.

src/main/webapp/resources/js/base/dataset.js

@@ -1289,6 +1289,9 @@ class DatasetControl {
 	}
 
 	download(type) {
+		if (!this.query.pageNum)
+			this.query.pageNum = 1;
+
 		this.query.download = type || "xls";
 		let query = toQuery(this.query);
 		this.query.download = null;