diff --git a/yudao-module-member/yudao-module-member-biz/src/main/java/cn/iocoder/yudao/module/member/service/diningplates/DiningPlatesServiceImpl.java b/yudao-module-member/yudao-module-member-biz/src/main/java/cn/iocoder/yudao/module/member/service/diningplates/DiningPlatesServiceImpl.java
index 4af1e59c..1ae0dd23 100644
--- a/yudao-module-member/yudao-module-member-biz/src/main/java/cn/iocoder/yudao/module/member/service/diningplates/DiningPlatesServiceImpl.java
+++ b/yudao-module-member/yudao-module-member-biz/src/main/java/cn/iocoder/yudao/module/member/service/diningplates/DiningPlatesServiceImpl.java
@@ -490,18 +490,20 @@ public class DiningPlatesServiceImpl implements DiningPlatesService {
         DiningPlatesDO diningPlatesDO = diningPlatesMapper.selectOne(Wrappers.<DiningPlatesDO>lambdaQuery()
                 .eq(DiningPlatesDO::getDiningPlatesNum, diningPlatesNum)
                 .eq(DiningPlatesDO::getStoreId, storeId));
-        LocalDateTime bindingTime = diningPlatesDO.getBindingTime();
-        long seconds = Duration.between(bindingTime, LocalDateTime.now()).getSeconds();
         if(diningPlatesDO == null ) {
             map.put("data", "absent");
             map.put("msg",null);
         }else if (diningPlatesDO.getUserId() == null){
             map.put("data", "unbind");
             map.put("msg",null);
-        }else if (seconds <= 3){
-            throw exception(DINING_PLATES_TIME);
-        }
-        else {
+        }else {
+            if (diningPlatesDO.getBindingTime()!=null){
+                LocalDateTime bindingTime = diningPlatesDO.getBindingTime();
+                long seconds = Duration.between(bindingTime, LocalDateTime.now()).getSeconds();
+                if(seconds <=3){
+                    throw exception(DINING_PLATES_TIME);
+                }
+            }
             unbind(diningPlatesNum,storeId);
             map.put("data", "bind");
             map.put("msg","餐盘已解绑");