diff --git a/src/main/java/com/glxp/api/controller/purchase/PurOrderController.java b/src/main/java/com/glxp/api/controller/purchase/PurOrderController.java
index a7523de59..6b27cf2cd 100644
--- a/src/main/java/com/glxp/api/controller/purchase/PurOrderController.java
+++ b/src/main/java/com/glxp/api/controller/purchase/PurOrderController.java
@@ -1,5 +1,6 @@
 package com.glxp.api.controller.purchase;
 
+import cn.hutool.core.util.IdUtil;
 import com.github.pagehelper.PageInfo;
 import com.glxp.api.annotation.AuthRuleAnnotation;
 import com.glxp.api.annotation.RepeatSubmit;
@@ -334,6 +335,7 @@ public class PurOrderController {
     public BaseResponse add() {
         Long userId = customerService.getUserId();
         PurOrderEntity purOrderEntity = new PurOrderEntity();
+        purOrderEntity.setId(IdUtil.getSnowflakeNextId());
         purOrderEntity.setCreateUser(userId + "");
         purOrderEntity.setCreateTime(new Date());
         purOrderEntity.setUpdateTime(new Date());
diff --git a/src/main/java/com/glxp/api/res/purchase/PurOrderResponse.java b/src/main/java/com/glxp/api/res/purchase/PurOrderResponse.java
index a18514b6e..1e3ce05c6 100644
--- a/src/main/java/com/glxp/api/res/purchase/PurOrderResponse.java
+++ b/src/main/java/com/glxp/api/res/purchase/PurOrderResponse.java
@@ -10,7 +10,7 @@ public class PurOrderResponse {
     /**
      *
      */
-    private Integer id;
+    private Long id;
     /**
      * 单据号
      */