diff --git a/biz/export/excel_exporter.go b/biz/export/excel_exporter.go
index d4924c0..aa1aa32 100644
--- a/biz/export/excel_exporter.go
+++ b/biz/export/excel_exporter.go
@@ -42,8 +42,9 @@ func (ee *ExcelExporter) Export(sql, pk string) error {
 		ee.file.Write(last)
 	}
 
-	ee.last = last[getPkIndex(data.Title, pk)]
-
+	if len(last) > 0 {
+		ee.last = last[getPkIndex(data.Title, pk)]
+	}
 	//ee.file.Close()
 	return nil
 }
diff --git a/cmd/cmd/excel.go b/cmd/cmd/excel.go
index e0d2a56..ee3db20 100644
--- a/cmd/cmd/excel.go
+++ b/cmd/cmd/excel.go
@@ -66,6 +66,11 @@ func (e *Excel) TaskExport(d export.DataFetcher, t config.Task, params map[strin
 
 		count, last := e.Last()
 		fmt.Printf("已导出 %d 条数据\n", batch*i+count)
+
+		if count == 0 {
+			return nil
+		}
+
 		if count < batch {
 			break
 		}