diff --git a/sdk/api/api-permissions/src/main/java/io/dataease/api/permissions/variable/dto/SysVariableValueItem.java b/sdk/api/api-permissions/src/main/java/io/dataease/api/permissions/variable/dto/SysVariableValueItem.java
index 7910668c27..3e96ed2d45 100644
--- a/sdk/api/api-permissions/src/main/java/io/dataease/api/permissions/variable/dto/SysVariableValueItem.java
+++ b/sdk/api/api-permissions/src/main/java/io/dataease/api/permissions/variable/dto/SysVariableValueItem.java
@@ -1,5 +1,7 @@
 package io.dataease.api.permissions.variable.dto;
 
+import com.fasterxml.jackson.databind.annotation.JsonSerialize;
+import com.fasterxml.jackson.databind.ser.std.ToStringSerializer;
 import lombok.Data;
 
 import java.util.List;
@@ -7,8 +9,11 @@ import java.util.List;
 @Data
 public class SysVariableValueItem {
     private SysVariableDto sysVariableDto;
+    @JsonSerialize(using = ToStringSerializer.class)
     private String variableId;
+    @JsonSerialize(using = ToStringSerializer.class)
     private String variableValueId;
+    @JsonSerialize(using = ToStringSerializer.class)
     private String variableValue;
     private List<SysVariableValueDto> valueList;
 }