diff --git a/core/core-backend/src/main/java/io/dataease/visualization/server/VisualizationOuterParamsService.java b/core/core-backend/src/main/java/io/dataease/visualization/server/VisualizationOuterParamsService.java
index 2be45414a2..60de8edd39 100644
--- a/core/core-backend/src/main/java/io/dataease/visualization/server/VisualizationOuterParamsService.java
+++ b/core/core-backend/src/main/java/io/dataease/visualization/server/VisualizationOuterParamsService.java
@@ -13,6 +13,7 @@ import io.dataease.constant.CommonConstants;
 import io.dataease.dataset.dao.auto.entity.CoreDatasetTable;
 import io.dataease.dataset.dao.auto.mapper.CoreDatasetTableMapper;
 import io.dataease.constant.DeTypeConstants;
+import io.dataease.dataset.utils.FieldUtils;
 import io.dataease.extensions.view.dto.SqlVariableDetails;
 import io.dataease.utils.BeanUtils;
 import io.dataease.utils.JsonUtil;
@@ -150,7 +151,7 @@ public class VisualizationOuterParamsService implements VisualizationOuterParams
                             List<SqlVariableDetails> defaultsSqlVariableDetails = JsonUtil.parseList(sqlVarDetail, listTypeReference);
                             defaultsSqlVariableDetails.forEach(sqlVariableDetails -> {
                                 String varFieldId = coreDatasetTable.getId() + "|DE|" + sqlVariableDetails.getVariableName();
-                                fields.add(new CoreDatasetTableFieldVO(varFieldId, sqlVariableDetails.getVariableName(), DeTypeConstants.DE_STRING));
+                                fields.add(new CoreDatasetTableFieldVO(varFieldId, sqlVariableDetails.getVariableName(), FieldUtils.transType2DeType(sqlVariableDetails.getType().get(0).contains("DATETIME") ? "DATETIME" : sqlVariableDetails.getType().get(0))));
                             });
                         }
                     });