diff --git a/klp-wms/src/main/java/com/klp/service/impl/WmsStockServiceImpl.java b/klp-wms/src/main/java/com/klp/service/impl/WmsStockServiceImpl.java
index 0d65da34..81b80595 100644
--- a/klp-wms/src/main/java/com/klp/service/impl/WmsStockServiceImpl.java
+++ b/klp-wms/src/main/java/com/klp/service/impl/WmsStockServiceImpl.java
@@ -81,23 +81,10 @@ public class WmsStockServiceImpl implements IWmsStockService {
         }
         qw.eq(StringUtils.isNotBlank(bo.getItemType()), "mc.item_type", bo.getItemType());
         qw.eq(bo.getItemId() != null, "mc.item_id", bo.getItemId());
-        qw.like(StringUtils.isNotBlank(bo.getBatchNo()), "mc.enter_coil_no", bo.getBatchNo());
+        // 优化模糊查询为前缀匹配，便于走索引（若有）
+        qw.likeRight(StringUtils.isNotBlank(bo.getBatchNo()), "mc.enter_coil_no", bo.getBatchNo());
 
-
-        // 使用 groupBy 进行分组
-        qw.groupBy(
-                "mc.actual_warehouse_id",
-                "mc.item_type",
-                "mc.item_id",
-                "w.actual_warehouse_name",
-                "CASE WHEN mc.item_type = 'product' THEN p.product_name WHEN mc.item_type = 'raw_material' THEN r.raw_material_name ELSE NULL END",
-                "CASE WHEN mc.item_type = 'product' THEN p.product_code WHEN mc.item_type = 'raw_material' THEN r.raw_material_code ELSE NULL END",
-                "CASE WHEN mc.item_type = 'product' THEN p.specification WHEN mc.item_type = 'raw_material' THEN r.specification ELSE NULL END",
-                "CASE WHEN mc.item_type = 'product' THEN p.material WHEN mc.item_type = 'raw_material' THEN r.material ELSE NULL END",
-                "CASE WHEN mc.item_type = 'product' THEN p.surface_treatment_desc WHEN mc.item_type = 'raw_material' THEN r.surface_treatment_desc ELSE NULL END",
-                "CASE WHEN mc.item_type = 'product' THEN p.zinc_layer WHEN mc.item_type = 'raw_material' THEN r.zinc_layer ELSE NULL END",
-                "CASE WHEN mc.item_type = 'product' THEN p.manufacturer WHEN mc.item_type = 'raw_material' THEN r.manufacturer ELSE NULL END"
-        );
+        // 分组改由 SQL 中显式控制，避免在 Wrapper 中拼装大量分组字段
 
         return qw;
     }
diff --git a/klp-wms/src/main/resources/mapper/klp/WmsStockMapper.xml b/klp-wms/src/main/resources/mapper/klp/WmsStockMapper.xml
index d240e414..869610bd 100644
--- a/klp-wms/src/main/resources/mapper/klp/WmsStockMapper.xml
+++ b/klp-wms/src/main/resources/mapper/klp/WmsStockMapper.xml
@@ -91,53 +91,40 @@ PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"
         ORDER BY totalQuantity DESC
     </select>
     <select id="selectVoPagePlusActual" resultType="com.klp.domain.vo.WmsStockVo">
-        SELECT mc.actual_warehouse_id                                AS actualWarehouseId,
-               mc.item_type                                   AS itemType,
-               mc.item_id                                     AS itemId,
-               w.actual_warehouse_name                               AS actualWarehouseName,
-               CASE
-                   WHEN mc.item_type = 'product' THEN p.product_name
-                   WHEN mc.item_type = 'raw_material' THEN r.raw_material_name
-                   ELSE NULL
-                   END                                        AS itemName,
-               CASE
-                   WHEN mc.item_type = 'product' THEN p.product_code
-                   WHEN mc.item_type = 'raw_material' THEN r.raw_material_code
-                   ELSE NULL
-                   END                                        AS itemCode,
-               CASE
-                   WHEN mc.item_type = 'product' THEN p.specification
-                   WHEN mc.item_type = 'raw_material' THEN r.specification
-                   ELSE NULL
-                   END                                                   AS specification,
-               CASE
-                   WHEN mc.item_type = 'product' THEN p.material
-                   WHEN mc.item_type = 'raw_material' THEN r.material
-                   ELSE NULL
-                   END                                                   AS material,
-               CASE
-                   WHEN mc.item_type = 'product' THEN p.surface_treatment_desc
-                   WHEN mc.item_type = 'raw_material' THEN r.surface_treatment_desc
-                   ELSE NULL
-                   END                                                   AS surfaceTreatmentDesc,
-               CASE
-                   WHEN mc.item_type = 'product' THEN p.zinc_layer
-                   WHEN mc.item_type = 'raw_material' THEN r.zinc_layer
-                   ELSE NULL
-                   END                                                   AS zincLayer,
-               CASE
-                   WHEN mc.item_type = 'product' THEN p.manufacturer
-                   WHEN mc.item_type = 'raw_material' THEN r.manufacturer
-                   ELSE NULL
-                   END                                                   AS manufacturer,
-               COUNT(*)                                       AS totalQuantity,
-               SUM(CASE WHEN mc.status = 1 THEN 1 ELSE 0 END) AS onTheWay
+        SELECT
+            mc.actual_warehouse_id AS actualWarehouseId,
+            mc.item_type           AS itemType,
+            mc.item_id             AS itemId,
+            MIN(w.actual_warehouse_name) AS actualWarehouseName,
+            MIN(CASE WHEN mc.item_type = 'product' THEN p.product_name
+                     WHEN mc.item_type = 'raw_material' THEN r.raw_material_name
+                     ELSE NULL END) AS itemName,
+            MIN(CASE WHEN mc.item_type = 'product' THEN p.product_code
+                     WHEN mc.item_type = 'raw_material' THEN r.raw_material_code
+                     ELSE NULL END) AS itemCode,
+            MIN(CASE WHEN mc.item_type = 'product' THEN p.specification
+                     WHEN mc.item_type = 'raw_material' THEN r.specification
+                     ELSE NULL END) AS specification,
+            MIN(CASE WHEN mc.item_type = 'product' THEN p.material
+                     WHEN mc.item_type = 'raw_material' THEN r.material
+                     ELSE NULL END) AS material,
+            MIN(CASE WHEN mc.item_type = 'product' THEN p.surface_treatment_desc
+                     WHEN mc.item_type = 'raw_material' THEN r.surface_treatment_desc
+                     ELSE NULL END) AS surfaceTreatmentDesc,
+            MIN(CASE WHEN mc.item_type = 'product' THEN p.zinc_layer
+                     WHEN mc.item_type = 'raw_material' THEN r.zinc_layer
+                     ELSE NULL END) AS zincLayer,
+            MIN(CASE WHEN mc.item_type = 'product' THEN p.manufacturer
+                     WHEN mc.item_type = 'raw_material' THEN r.manufacturer
+                     ELSE NULL END) AS manufacturer,
+            COUNT(*)                                       AS totalQuantity,
+            SUM(CASE WHEN mc.status = 1 THEN 1 ELSE 0 END) AS onTheWay
         FROM wms_material_coil mc
-                 LEFT JOIN wms_actual_warehouse w ON mc.actual_warehouse_id = w.actual_warehouse_id AND w.del_flag = 0
-                 LEFT JOIN wms_product p ON mc.item_type = 'product' AND mc.item_id = p.product_id AND p.del_flag = 0
-                 LEFT JOIN wms_raw_material r
-                           ON mc.item_type = 'raw_material' AND mc.item_id = r.raw_material_id AND r.del_flag = 0
-            ${ew.customSqlSegment}
+        LEFT JOIN wms_actual_warehouse w ON mc.actual_warehouse_id = w.actual_warehouse_id AND w.del_flag = 0
+        LEFT JOIN wms_product p ON mc.item_type = 'product' AND mc.item_id = p.product_id AND p.del_flag = 0
+        LEFT JOIN wms_raw_material r ON mc.item_type = 'raw_material' AND mc.item_id = r.raw_material_id AND r.del_flag = 0
+        ${ew.customSqlSegment}
+        GROUP BY mc.actual_warehouse_id, mc.item_type, mc.item_id
     </select>
 
 </mapper>