diff --git a/src/main/java/com/yxt/yythmall/biz/customerstore/CustomerStoreService.java b/src/main/java/com/yxt/yythmall/biz/customerstore/CustomerStoreService.java
index f974f95..7b87102 100644
--- a/src/main/java/com/yxt/yythmall/biz/customerstore/CustomerStoreService.java
+++ b/src/main/java/com/yxt/yythmall/biz/customerstore/CustomerStoreService.java
@@ -159,16 +159,20 @@ public class CustomerStoreService extends MybatisBaseService<CustomerStoreMapper
     }
     public String reserveDate(String start){
         CannotReserveDictionary cannotReserveDictionary=new CannotReserveDictionary();
-
-        int i=0;
-        do {
-            SimpleDateFormat sdf =new SimpleDateFormat("yyyy-MM-dd");
-            start=sdf.format(DateUtil.offsetDay(DateUtil.parse(start),+1));
-            cannotReserveDictionary=cannotReserveDictionaryService.getOne(new QueryWrapper<CannotReserveDictionary>().eq("unavailableTime",start));
-            i++;
-        } while (cannotReserveDictionary!=null);
-        if(i>=5){
-            start="";
+        cannotReserveDictionary=cannotReserveDictionaryService.getOne(new QueryWrapper<CannotReserveDictionary>().eq("unavailableTime",start));
+        if(null!=cannotReserveDictionary){
+            int i=0;
+            do {
+                SimpleDateFormat sdf =new SimpleDateFormat("yyyy-MM-dd");
+                cannotReserveDictionary=cannotReserveDictionaryService.getOne(new QueryWrapper<CannotReserveDictionary>().eq("unavailableTime",start));
+                if(null!=cannotReserveDictionary){
+                    start=sdf.format(DateUtil.offsetDay(DateUtil.parse(start),+1));
+                }
+                i++;
+            } while (cannotReserveDictionary!=null);
+            if(i>=5){
+                start="";
+            }
         }
         return start;
     }