fix issue

web_src/js/components/dataset/referenceDataset.vue

@@ -496,10 +496,14 @@ export default {
     },
     submitReferDataset() {
       let url = `${this.repoLink}/datasets/reference_datasets`;
-      let data = this.qs.stringify({
-        _csrf: csrf,
-        dataset_id: this.checkList,
-      });
+      let data = this.qs.stringify(
+        {
+          _csrf: csrf,
+          dataset_id: this.checkList,
+        },
+        { arrayFormat: "repeat" }
+      );
+      console.log(data);
       this.$axios.post(url, data).then((res) => {
         if (res.data.Code === 0) {
           this.getSelectDatasetList();