diff --git a/src/main/java/com/cultural/heritage/service/book/impl/ClothesGradeServiceImpl.java b/src/main/java/com/cultural/heritage/service/book/impl/ClothesGradeServiceImpl.java
index f2ae087..eadef5c 100644
--- a/src/main/java/com/cultural/heritage/service/book/impl/ClothesGradeServiceImpl.java
+++ b/src/main/java/com/cultural/heritage/service/book/impl/ClothesGradeServiceImpl.java
@@ -49,7 +49,7 @@ public class ClothesGradeServiceImpl extends ServiceImpl<ClothesGradeMapper, Clo
         if (ObjectUtils.isEmpty(maxPrice) || maxPrice.compareTo(BigDecimal.ZERO) <= 0) {
             throw new BusinessException(ErrorCode.PARAMS_ERROR, "最高价格参数错误");
         }
-        if (minPrice.compareTo(maxPrice) <= 0) {
+        if (minPrice.compareTo(maxPrice) >= 0) {
             throw new BusinessException(ErrorCode.PARAMS_ERROR, "最低价格不能高于最高价格");
         }
         if (StringUtils.isAnyBlank(clothesType, image, brief)) {