diff --git a/core/core-backend/src/main/java/io/dataease/engine/utils/Utils.java b/core/core-backend/src/main/java/io/dataease/engine/utils/Utils.java
index d3f8f5e971..345a2b3aec 100644
--- a/core/core-backend/src/main/java/io/dataease/engine/utils/Utils.java
+++ b/core/core-backend/src/main/java/io/dataease/engine/utils/Utils.java
@@ -417,7 +417,7 @@ public class Utils {
     }
 
     public static List<CalParam> getParams(List<DatasetTableFieldDTO> list) {
-        if (ObjectUtils.isNotEmpty(list)) return Collections.emptyList();
+        if (ObjectUtils.isEmpty(list)) return Collections.emptyList();
         List<CalParam> param = new ArrayList<>();
         for (DatasetTableFieldDTO dto : list) {
             if (Objects.equals(dto.getExtField(), ExtFieldConstant.EXT_CALC) && ObjectUtils.isNotEmpty(dto.getParams())) {
diff --git a/sdk/extensions/extensions-datasource/src/main/java/io/dataease/extensions/datasource/dto/CalParam.java b/sdk/extensions/extensions-datasource/src/main/java/io/dataease/extensions/datasource/dto/CalParam.java
index b24f585a51..e451bc0b41 100644
--- a/sdk/extensions/extensions-datasource/src/main/java/io/dataease/extensions/datasource/dto/CalParam.java
+++ b/sdk/extensions/extensions-datasource/src/main/java/io/dataease/extensions/datasource/dto/CalParam.java
@@ -1,7 +1,5 @@
 package io.dataease.extensions.datasource.dto;
 
-import com.fasterxml.jackson.databind.annotation.JsonSerialize;
-import com.fasterxml.jackson.databind.ser.std.ToStringSerializer;
 import lombok.Data;
 
 import java.io.Serializable;
@@ -11,7 +9,6 @@ import java.io.Serializable;
  */
 @Data
 public class CalParam implements Serializable {
-    @JsonSerialize(using = ToStringSerializer.class)
     private String id;
     private String name;
     private String value;