diff --git a/flower_back/src/main/java/com/example/flower/entity/RelateDTO.java b/flower_back/src/main/java/com/example/flower/entity/RelateDTO.java
new file mode 100644
index 0000000..97efa60
--- /dev/null
+++ b/flower_back/src/main/java/com/example/flower/entity/RelateDTO.java
@@ -0,0 +1,18 @@
+package com.example.flower.entity;
+
+import lombok.AllArgsConstructor;
+import lombok.Data;
+import lombok.NoArgsConstructor;
+
+@Data
+@AllArgsConstructor
+@NoArgsConstructor
+public class RelateDTO {
+    /** 用户id */
+    private Integer useId;
+    /** 商品id */
+    private Integer goodsId;
+    /** 指数 */
+    private Integer index;
+
+}