diff --git a/blade-service-api/blade-desk-api/src/main/java/org/springblade/desk/basic/pojo/entity/Plating.java b/blade-service-api/blade-desk-api/src/main/java/org/springblade/desk/basic/pojo/entity/Plating.java
index cd707782..0ddaa37c 100644
--- a/blade-service-api/blade-desk-api/src/main/java/org/springblade/desk/basic/pojo/entity/Plating.java
+++ b/blade-service-api/blade-desk-api/src/main/java/org/springblade/desk/basic/pojo/entity/Plating.java
@@ -4,6 +4,8 @@
 package org.springblade.desk.basic.pojo.entity;
 
 import com.baomidou.mybatisplus.annotation.TableName;
+import com.fasterxml.jackson.databind.annotation.JsonSerialize;
+import com.fasterxml.jackson.databind.ser.std.ToStringSerializer;
 import io.swagger.v3.oas.annotations.media.Schema;
 import lombok.Data;
 import lombok.EqualsAndHashCode;
@@ -97,6 +99,7 @@ public class Plating extends BaseEntity {
      * [镀种分类]id
      */
     @Schema(description = "[镀种分类]id")
+    @JsonSerialize(using = ToStringSerializer.class)
     private Long bcId;
     /**
      * 镀种