diff --git a/cash-service/product-service/src/main/resources/mapper/ProductMapper.xml b/cash-service/product-service/src/main/resources/mapper/ProductMapper.xml
index 6900b7504..cb0f702ce 100644
--- a/cash-service/product-service/src/main/resources/mapper/ProductMapper.xml
+++ b/cash-service/product-service/src/main/resources/mapper/ProductMapper.xml
@@ -185,20 +185,24 @@
         <if test="distanceType != null">
             and ST_Distance_Sphere(POINT(b.lng, b.lat), POINT(#{lng}, #{lat})) &lt;= #{distanceType}
         </if>
-        <if test="orderType == 0">
-            ORDER BY distance
-        </if>
-        <if test="orderType == 1">
-            ORDER BY a.real_sales_number desc
-        </if>
 
-        <if test="orderType == 2">
-            ORDER BY a.sale_price
-        </if>
-
-        <if test="orderType == 3">
-            ORDER BY c.create_time desc
-        </if>
+        <choose>
+            <when test="orderType == 0">
+                ORDER BY discount
+            </when>
+            <when test="orderType == 1">
+                ORDER BY a.real_sales_number DESC
+            </when>
+            <when test="orderType == 2">
+                ORDER BY a.sale_price
+            </when>
+            <when test="orderType == 3">
+                ORDER BY c.create_time DESC
+            </when>
+            <otherwise>
+                ORDER BY c.create_time DESC  <!-- 默认排序，避免 orderType 为空时报错 -->
+            </otherwise>
+        </choose>
 
     </select>
     <select id="getTodayProInfo" resultType="com.czg.product.vo.RecommendProVO">