加唯一索引

src/main/java/com/uas/platform/b2c/prod/commodity/model/ProductPrivate.java

@@ -17,7 +17,7 @@ public class ProductPrivate {
     /**
      * 物料主键
      */
-    @Column(name = "pr_id")
+    @Column(name = "pr_id" ,unique = true)
     private Long prId;
 
     /**