diff --git a/mcwl-admin/src/main/java/com/mcwl/web/controller/resource/MallProductController.java b/mcwl-admin/src/main/java/com/mcwl/web/controller/resource/MallProductController.java
index db88df2..62d789f 100644
--- a/mcwl-admin/src/main/java/com/mcwl/web/controller/resource/MallProductController.java
+++ b/mcwl-admin/src/main/java/com/mcwl/web/controller/resource/MallProductController.java
@@ -166,15 +166,19 @@ public class MallProductController extends BaseController {
         R<ModelProduct> modelProductR = modelService.selectModelById(id);
         ModelProduct data = modelProductR.getData();
         if (Objects.nonNull(data)) {
-            LambdaQueryWrapper<ModelPurchaseRecord> wrapper = new LambdaQueryWrapper<>();
-            wrapper.eq(ModelPurchaseRecord::getUserId, SecurityUtils.getUserId())
-                    .eq(ModelPurchaseRecord::getProductId, id)
-                    .eq(ModelPurchaseRecord::getProductType, 0);
-            ModelPurchaseRecord modelPurchaseRecord = modelPurchaseRecordMapper.selectOne(wrapper);
-            data.setIsBuy(1);
-            if (Objects.isNull(modelPurchaseRecord)) {
-                data.setIsBuy(0);
+            Long userIdMax = SecurityUtils.getUserIdMax();
+            if (userIdMax != 0){
+                LambdaQueryWrapper<ModelPurchaseRecord> wrapper = new LambdaQueryWrapper<>();
+                wrapper.eq(ModelPurchaseRecord::getUserId, userIdMax)
+                        .eq(ModelPurchaseRecord::getProductId, id)
+                        .eq(ModelPurchaseRecord::getProductType, 0);
+                ModelPurchaseRecord modelPurchaseRecord = modelPurchaseRecordMapper.selectOne(wrapper);
+                data.setIsBuy(1);
+                if (Objects.isNull(modelPurchaseRecord)) {
+                    data.setIsBuy(0);
+                }
             }
+            data.setIsBuy(0);
             modelProductR.setData(data);
         }
         return modelProductR;