diff --git a/lastleg-service/src/main/java/com/baiyue/lastleg/selfoperated/analytics/query/InventoryTurnoverRequest.java b/lastleg-service/src/main/java/com/baiyue/lastleg/selfoperated/analytics/query/InventoryTurnoverRequest.java
index 5832aa4de..663037d63 100644
--- a/lastleg-service/src/main/java/com/baiyue/lastleg/selfoperated/analytics/query/InventoryTurnoverRequest.java
+++ b/lastleg-service/src/main/java/com/baiyue/lastleg/selfoperated/analytics/query/InventoryTurnoverRequest.java
@@ -8,11 +8,11 @@ import org.springframework.format.annotation.DateTimeFormat;
 /** Separate from DETAIL: its dates, windows and filters must never be silently mixed. */
 public record InventoryTurnoverRequest(String sourceAccount, String warehouseCode,
     @DateTimeFormat(iso=DateTimeFormat.ISO.DATE) LocalDate endDate, Integer baseWindowDays,
-    String groupBy, String customerCode, String sku, String focus, Integer coverageDaysThreshold,
+    String groupBy, java.util.List<String> customerCodes, String sku, String focus, Integer coverageDaysThreshold,
     String turnoverStatus, String sortBy, Integer current, Integer size, Boolean includeOverview,
     String snapshotContext, Boolean hideZeroInventory) {
     private static final Set<String> PARAMETERS=Set.of("sourceAccount","warehouseCode","endDate","baseWindowDays",
-        "groupBy","customerCode","sku","focus","coverageDaysThreshold","turnoverStatus","sortBy","current","size","includeOverview","snapshotContext","hideZeroInventory");
+        "groupBy","customerCodes","sku","focus","coverageDaysThreshold","turnoverStatus","sortBy","current","size","includeOverview","snapshotContext","hideZeroInventory");
     public static void validateParameters(Set<String> keys) {
         if(!PARAMETERS.containsAll(keys)) throw new BizException("库存周转不接受其他视图的查询参数");
     }
@@ -29,7 +29,10 @@ public record InventoryTurnoverRequest(String sourceAccount, String warehouseCod
     public LocalDate end(LocalDate today){return endDate==null?today.minusDays(1):endDate;}
     public void validate(LocalDate today) {
         AnalyticsQuery.text(sourceAccount,64,"来源账号"); AnalyticsQuery.text(warehouseCode,64,"仓库");
-        if(customerCode!=null) AnalyticsQuery.text(customerCode,64,"货主");
+        if(customerCodes!=null) {
+            if(customerCodes.size()>100) throw new BizException("最多选择100个货主");
+            for(String code:customerCodes) AnalyticsQuery.text(code,64,"货主");
+        }
         if(sku!=null) AnalyticsQuery.text(sku,128,"SKU");
         if(days()<1||days()>366) throw new BizException("统计区间须为1至366个完整自然日");
         if(!end(today).isBefore(today)) throw new BizException("截止日必须是北京时间已结束的日期");
diff --git a/lastleg-service/src/main/java/com/baiyue/lastleg/selfoperated/analytics/query/InventoryTurnoverSql.java b/lastleg-service/src/main/java/com/baiyue/lastleg/selfoperated/analytics/query/InventoryTurnoverSql.java
index 9ed24bed7..ab1e4ffc8 100644
--- a/lastleg-service/src/main/java/com/baiyue/lastleg/selfoperated/analytics/query/InventoryTurnoverSql.java
+++ b/lastleg-service/src/main/java/com/baiyue/lastleg/selfoperated/analytics/query/InventoryTurnoverSql.java
@@ -36,9 +36,13 @@ public final class InventoryTurnoverSql {
             "VALID".equals(frozen.response().analyticsContext().inventoryStatus()),frozen.snapshot().sourceKnown(),days,LocalDateTime.ofInstant(frozen.response().queryAsOf(),ZoneOffset.UTC));
     }
     private static String windowStart(int n){return "#{p.from"+(java.util.Set.of(7,15,30).contains(n)?Integer.toString(n):"Base")+"}";}
-    private static String scope(String alias) {
-        return alias+"source_account=#{p.query.sourceAccount} AND "+alias+"warehouse_code=#{p.query.warehouseCode}"
-            +" AND (#{p.query.customerCode,jdbcType=VARCHAR} IS NULL OR "+alias+"customer_code=#{p.query.customerCode,jdbcType=VARCHAR})";
+    private static String scope(Input p,String alias) {
+        String base=alias+"source_account=#{p.query.sourceAccount} AND "+alias+"warehouse_code=#{p.query.warehouseCode}";
+        var owners=p.query.customerCodes();
+        if(owners==null||owners.isEmpty())return base;
+        var values=new ArrayList<String>();
+        for(int i=0;i<owners.size();i++)values.add("#{p.query.customerCodes["+i+"],jdbcType=VARCHAR}");
+        return base+" AND "+alias+"customer_code IN ("+String.join(",",values)+")";
     }
     private static String valid(String field){return "product_quality IN (0,1) AND "+field+" IS NOT NULL AND "+field+">=0 AND (quality_status='VALID' OR quality_reason IN ('FIELD_MISSING','NEGATIVE_QUANTITY'))";}
     private static String amount(String field){return "CASE WHEN MIN(CASE WHEN "+valid(field)+" THEN 1 ELSE 0 END)=1 THEN SUM("+field+") END";}
@@ -56,27 +60,27 @@ public final class InventoryTurnoverSql {
             runs.add("#{p.days["+i+"].sampleRun,jdbcType=BIGINT}");
         return runs.isEmpty()?"NULL":String.join(",",runs);
     }
-    private static String salesDays() {
+    private static String salesDays(Input p) {
         return "SELECT customer_code,sku_code,business_date,SUM(outbound_quantity) quantity,MIN(CASE WHEN quantity_unit='PCS' AND outbound_quantity>=0 THEN 1 ELSE 0 END) unit_valid FROM ll_selfop_sku_daily_sales WHERE "
-            +scope("")+" AND sales_run_id=#{p.salesRun} AND business_date>=CAST(#{p.from} AS DATE) AND business_date<CAST(#{p.until} AS DATE) GROUP BY customer_code,sku_code,business_date";
+            +scope(p,"")+" AND sales_run_id=#{p.salesRun} AND business_date>=CAST(#{p.from} AS DATE) AND business_date<CAST(#{p.until} AS DATE) GROUP BY customer_code,sku_code,business_date";
     }
     private static String cte(Input p) {
         String stocks="SELECT snapshot_run_id,customer_code,sku_code,"+amount("physical_quantity")+" physical,"
             +amount("transit_quantity")+" transit,"+amount("frozen_quantity")+" frozen,"+AnalyticsInventorySql.availableQuantity(valid("available_quantity"))+" available,"
             +"CASE WHEN MIN(CASE WHEN product_quality NOT IN (0,1) OR product_quality IS NULL THEN 0 WHEN product_quality=1 AND NOT ("+valid("physical_quantity")+") THEN 0 ELSE 1 END)=1 "
             +"THEN SUM(CASE WHEN product_quality=1 THEN physical_quantity ELSE 0 END) END defective "
-            +"FROM ll_selfop_inventory_snapshot WHERE "+scope("")+" AND (snapshot_run_id=#{p.inventoryRun} OR snapshot_run_id IN ("+sampleRuns(p)+")) "
+            +"FROM ll_selfop_inventory_snapshot WHERE "+scope(p,"")+" AND (snapshot_run_id=#{p.inventoryRun} OR snapshot_run_id IN ("+sampleRuns(p)+")) "
             +"GROUP BY snapshot_run_id,customer_code,sku_code";
-        String profiles="SELECT * FROM ll_selfop_sku_profile WHERE "+scope("")+" AND (profile_run_id IN (#{p.salesRun},#{p.inventoryRun}) OR profile_run_id IN ("+sampleRuns(p)+"))";
+        String profiles="SELECT * FROM ll_selfop_sku_profile WHERE "+scope(p,"")+" AND (profile_run_id IN (#{p.salesRun},#{p.inventoryRun}) OR profile_run_id IN ("+sampleRuns(p)+"))";
         StringBuilder sql=new StringBuilder("WITH calendar AS (").append(calendar(p)).append("), fixed_profiles AS (").append(profiles)
-            .append("), stocks AS (").append(stocks).append("), sales_days AS (").append(salesDays()).append("), candidates AS (")
+            .append("), stocks AS (").append(stocks).append("), sales_days AS (").append(salesDays(p)).append("), candidates AS (")
             .append("SELECT customer_code,sku_code FROM fixed_profiles UNION SELECT customer_code,sku_code FROM stocks UNION SELECT customer_code,sku_code FROM sales_days), profiles AS (")
             .append("SELECT c.customer_code,c.sku_code,COALESCE(MAX(CASE WHEN f.profile_run_id=#{p.inventoryRun} THEN f.product_name END),MAX(f.product_name)) product_name,")
             .append("COALESCE(MAX(CASE WHEN f.profile_run_id=#{p.salesRun} THEN CASE WHEN f.quantity_unit='PCS' THEN 1 ELSE 0 END END),MAX(CASE WHEN f.profile_run_id=#{p.inventoryRun} THEN CASE WHEN f.quantity_unit='PCS' THEN 1 ELSE 0 END END),MIN(CASE WHEN f.quantity_unit='PCS' THEN 1 ELSE 0 END)) unit_valid,")
             .append("MIN(CASE WHEN f.evidence_run_id IS NOT NULL AND f.evidence_type IN ('VALID_OUTBOUND','INVENTORY_OBSERVATION') THEN f.earliest_evidence_at_utc END) evidence ")
             .append("FROM candidates c LEFT JOIN fixed_profiles f ON f.customer_code=c.customer_code AND f.sku_code=c.sku_code GROUP BY c.customer_code,c.sku_code)")
             .append(InventoryVolumeSql.products()).append(skuWindows(p)).append(", last_sales AS (SELECT customer_code,sku_code,MAX(business_date) last_outbound FROM ll_selfop_sku_daily_sales WHERE ")
-            .append(scope("")).append(" AND sales_run_id=#{p.salesRun} AND business_date<CAST(#{p.until} AS DATE) AND outbound_quantity>0 AND quantity_unit='PCS' GROUP BY customer_code,sku_code)");
+            .append(scope(p,"")).append(" AND sales_run_id=#{p.salesRun} AND business_date<CAST(#{p.until} AS DATE) AND outbound_quantity>0 AND quantity_unit='PCS' GROUP BY customer_code,sku_code)");
         sql.append(", sku_base AS (SELECT c.customer_code,c.sku_code,c.product_name,c.evidence,c.unit_valid,pv.unit_volume,COALESCE(pv.dimension_source,'MISSING') dimension_source");
         for(int n:p.query().windows()) for(String suffix:List.of("outbound","observed","complete","partial")) sql.append(",w.w").append(n).append('_').append(suffix);
         sql.append(",w.sample_count,w.sample_total,w.average_physical,w.sample_mask,ls.last_outbound");
@@ -254,7 +258,7 @@ public final class InventoryTurnoverSql {
             +"SELECT 'OWNER' kind,customer_code,physical,0 unknown_count FROM ranked_owners UNION ALL SELECT 'META' kind,NULL customer_code,NULL physical,COUNT(*) unknown_count FROM owner_result WHERE physical IS NULL ORDER BY kind DESC,physical DESC,customer_code";
     }
     public static String chartWindows(Map<String,Object> args) {
-        Input p=(Input)args.get("p");return "WITH calendar AS ("+calendar(p)+"), sales_days AS ("+salesDays()+"), warehouse_days AS (SELECT d.business_date,"
+        Input p=(Input)args.get("p");return "WITH calendar AS ("+calendar(p)+"), sales_days AS ("+salesDays(p)+"), warehouse_days AS (SELECT d.business_date,"
             +"CASE WHEN #{p.salesKnown}=1 AND d.coverage=1 AND MIN(COALESCE(s.unit_valid,1))=1 THEN 1 ELSE 0 END complete,"
             +"CASE WHEN #{p.salesKnown}=1 THEN CASE WHEN COUNT(s.business_date)=0 AND d.coverage>0 THEN 0 ELSE SUM(CASE WHEN s.unit_valid=1 THEN s.quantity END) END END observed "
             +"FROM calendar d LEFT JOIN sales_days s ON s.business_date=d.business_date GROUP BY d.business_date,d.coverage), warehouse_window_counts AS (SELECT COUNT(*) day_count"+windowAggregates(p)+" FROM warehouse_days) SELECT w.*"+formalWindows(p)+" FROM warehouse_window_counts w";
diff --git a/lastleg-service/src/main/resources/openapi/self-operated-inventory-turnover-v1.yaml b/lastleg-service/src/main/resources/openapi/self-operated-inventory-turnover-v1.yaml
index 07a03d506..d2481ebf9 100644
--- a/lastleg-service/src/main/resources/openapi/self-operated-inventory-turnover-v1.yaml
+++ b/lastleg-service/src/main/resources/openapi/self-operated-inventory-turnover-v1.yaml
@@ -19,7 +19,7 @@ paths:
       operationId: inventoryTurnover
       summary: 单仓SKU或货主三窗口库存周转
       description: >-
-        精确customerCode限定列表与概览；sku、focus、turnoverStatus及hideZeroInventory只筛列表。
+        customerCodes按所选货主集合限定列表、概览及图表，省略或空集合表示全部；sku、focus、turnoverStatus及hideZeroInventory只筛列表。
         按完整候选计算依赖后排序分页，未知末尾，同值按SKU及货主或货主编码稳定排序。
         OWNER不计算整体可售天数；销售事实完整即可展示货主实际出库，不受单SKU观察期影响。
         SKU出库及无出库判断同样不受首次观察时间限制：可信完整覆盖的缺销量行可计零；实际异常单位或未覆盖日期保持未知。
@@ -32,7 +32,7 @@ paths:
         - {name: endDate, in: query, description: '含截止日，默认北京时间昨天，不接受今日或未来', schema: {type: string, format: date}}
         - {name: baseWindowDays, in: query, schema: {type: integer, minimum: 1, maximum: 366, default: 30}}
         - {name: groupBy, in: query, schema: {type: string, enum: [SKU, OWNER], default: SKU}}
-        - {name: customerCode, in: query, schema: {type: string, minLength: 1, maxLength: 64}}
+        - {name: customerCodes, in: query, style: form, explode: true, description: '货主编码多选，重复键传输；同一编码不重复计数，最多100个', schema: {type: array, maxItems: 100, items: {type: string, minLength: 1, maxLength: 64}}}
         - {name: sku, in: query, description: SKU分组的精确查询，OWNER禁止传入, schema: {type: string, minLength: 1, maxLength: 128}}
         - {name: hideZeroInventory, in: query, description: 默认隐藏当前全品质实物件数明确为0的SKU或货主汇总行，保留未知；全量筛选后分页，不改变概览及图表, schema: {type: boolean, default: true}}
         - name: focus
diff --git a/lastleg-service/src/test/java/com/baiyue/lastleg/selfoperated/analytics/controller/PlatformInventoryTurnoverControllerTest.java b/lastleg-service/src/test/java/com/baiyue/lastleg/selfoperated/analytics/controller/PlatformInventoryTurnoverControllerTest.java
index 50f37f8e9..5f768d94a 100644
--- a/lastleg-service/src/test/java/com/baiyue/lastleg/selfoperated/analytics/controller/PlatformInventoryTurnoverControllerTest.java
+++ b/lastleg-service/src/test/java/com/baiyue/lastleg/selfoperated/analytics/controller/PlatformInventoryTurnoverControllerTest.java
@@ -43,10 +43,12 @@ class PlatformInventoryTurnoverControllerTest {
         mvc.perform(get("/api/platform/v1/last-leg/self-operated-analytics/inventory-turnover")
             .param("sourceAccount","demo").param("warehouseCode","W").param("endDate","2026-10-12")
             .param("baseWindowDays","15").param("groupBy","OWNER").param("focus","COVERAGE_GT")
+            .param("customerCodes","A","B")
             .param("coverageDaysThreshold","60").param("current","2").param("size","20")
             .param("hideZeroInventory","false").param("snapshotContext","fixed-token").param("includeOverview","false")).andExpect(status().isOk());
         var capture=ArgumentCaptor.forClass(InventoryTurnoverRequest.class);verify(service).query(capture.capture());
         var q=capture.getValue();assertEquals(LocalDate.of(2026,10,12),q.endDate());assertEquals(15,q.days());
+        assertEquals(List.of("A","B"),q.customerCodes());
         assertEquals("OWNER",q.group());assertEquals(60,q.coverageDaysThreshold());assertEquals(20,q.offset());assertFalse(q.overview());assertFalse(q.hideZero());assertEquals("fixed-token",q.snapshotContext());
     }
 }
diff --git a/lastleg-service/src/test/java/com/baiyue/lastleg/selfoperated/analytics/query/InventoryTurnoverRequestTest.java b/lastleg-service/src/test/java/com/baiyue/lastleg/selfoperated/analytics/query/InventoryTurnoverRequestTest.java
index 5a0f364a7..1ada14f91 100644
--- a/lastleg-service/src/test/java/com/baiyue/lastleg/selfoperated/analytics/query/InventoryTurnoverRequestTest.java
+++ b/lastleg-service/src/test/java/com/baiyue/lastleg/selfoperated/analytics/query/InventoryTurnoverRequestTest.java
@@ -20,6 +20,13 @@ class InventoryTurnoverRequestTest {
         assertFalse(request(Map.of("hideZeroInventory",false)).hideZero());
         assertTrue(request(Map.of("hideZeroInventory",true)).hideZero());
     }
+    @Test void validatesMultipleOwnersAndRejectsTheRemovedSingleOwnerParameter() {
+        request(Map.of("customerCodes",List.of("A","B"))).validate(TODAY);
+        request(Map.of("customerCodes",List.of())).validate(TODAY);
+        assertThrows(BizException.class,()->request(Map.of("customerCodes",List.of(""))).validate(TODAY));
+        assertThrows(BizException.class,()->request(Map.of("customerCodes",Collections.nCopies(101,"A"))).validate(TODAY));
+        assertThrows(BizException.class,()->InventoryTurnoverRequest.validateParameters(Set.of("customerCode")));
+    }
     @Test void rejectsIncompleteDatesFiltersSortsAndUnpinnedPagination() {
         for(var invalid:List.of(Map.<String,Object>of("endDate","2026-10-13"),Map.<String,Object>of("baseWindowDays",367),
             Map.<String,Object>of("groupBy","OWNER","sku","S"),Map.<String,Object>of("groupBy","OWNER","sortBy","COVERAGE_DESC"),
diff --git a/lastleg-service/src/test/java/com/baiyue/lastleg/selfoperated/analytics/query/InventoryTurnoverSqlTest.java b/lastleg-service/src/test/java/com/baiyue/lastleg/selfoperated/analytics/query/InventoryTurnoverSqlTest.java
index 99b5e0768..60c841e25 100644
--- a/lastleg-service/src/test/java/com/baiyue/lastleg/selfoperated/analytics/query/InventoryTurnoverSqlTest.java
+++ b/lastleg-service/src/test/java/com/baiyue/lastleg/selfoperated/analytics/query/InventoryTurnoverSqlTest.java
@@ -56,6 +56,26 @@ class InventoryTurnoverSqlTest {
         var exact=new InventoryTurnoverRequest("demo","W",END,30,"SKU",null,"ZERO","ALL",null,null,"PHYSICAL_DESC",1,20,true,"fixed",true);
         assertTrue(reportRows(input(exact,30,0,true)).isEmpty());
     }
+    @Test void filtersMultipleOwnersBeforeAggregationAndPaginationWithoutMergingSameSku() throws Exception {
+        seed("A","SAME",30);seed("B","SAME",30);seed("C","SAME",30);
+        for(String group:List.of("SKU","OWNER")) {
+            var selected=new InventoryTurnoverRequest("demo","W",END,30,group,List.of("B","A","A"),null,"ALL",null,null,"PHYSICAL_DESC",1,20,true,"fixed",false);
+            var p=input(selected,30,30,true);
+            var rows=reportRows(p);
+            assertEquals(List.of("A","B"),rows.stream().map(r->r.get("customer_code")).toList());
+            var all=input(new InventoryTurnoverRequest("demo","W",END,30,group,null,null,"ALL",null,null,"PHYSICAL_DESC",1,20,true,"fixed",false),30,30,true);
+            assertEquals(3,reportRows(all).size());
+            for(int page=1;page<=2;page++) {
+                var q=new InventoryTurnoverRequest("demo","W",END,30,group,List.of("A","B"),null,"ALL",null,null,"PHYSICAL_DESC",page,1,false,"fixed",false);
+                assertEquals(rows.get(page-1).get("customer_code"),reportRows(input(q,30,30,true)).get(0).get("customer_code"));
+            }
+            var overview=query("overview",p);
+            assertFalse(overview.isEmpty());
+            assertNotEquals(query("overview",all),overview);
+            var unknown=new InventoryTurnoverRequest("demo","W",END,30,group,List.of("' OR 1=1 --"),null,"ALL",null,null,"PHYSICAL_DESC",1,20,true,"fixed",false);
+            assertTrue(reportRows(input(unknown,30,30,true)).isEmpty());
+        }
+    }
     @Test void ownerVolumeChartRanksFullTotalsExcludesUnknownsAndIgnoresListFilters() throws Exception {
         master();
         for(int i=0;i<12;i++) {