diff --git a/xiaoqu-agent-service/src/main/java/me/iiv/agent/mapper/m0/ProperytMapper.java b/xiaoqu-agent-service/src/main/java/me/iiv/agent/mapper/m0/ProperytMapper.java
index 224c8f7..b1025d2 100644
--- a/xiaoqu-agent-service/src/main/java/me/iiv/agent/mapper/m0/ProperytMapper.java
+++ b/xiaoqu-agent-service/src/main/java/me/iiv/agent/mapper/m0/ProperytMapper.java
@@ -24,7 +24,9 @@ public interface ProperytMapper extends BaseMapper<Properyt> {
      * <p>来源是物业表的 userId / userName 两列（实体未映射，故用显式 SQL）。
      * 独立查询 + 调用方容错：列名或数据异常只丢归属，不影响 properties 变更流。</p>
      */
-    @Select("<script>SELECT id AS property_id, userId AS user_id, userName AS user_name"
+    // 别名刻意用无下划线的名字：MyBatis 的 mapUnderscoreToCamelCase 会把
+    // property_id → propertyId，导致按 "property_id" 取值永远为 null。
+    @Select("<script>SELECT id AS pid, userId AS uid, userName AS uname"
             + " FROM properyt WHERE id IN"
             + " <foreach collection='ids' item='id' open='(' separator=',' close=')'>#{id}</foreach>"
             + "</script>")
diff --git a/xiaoqu-agent-service/src/main/java/me/iiv/agent/mcp/sync/PropertiesSyncEntity.java b/xiaoqu-agent-service/src/main/java/me/iiv/agent/mcp/sync/PropertiesSyncEntity.java
index a7a0491..744416d 100644
--- a/xiaoqu-agent-service/src/main/java/me/iiv/agent/mcp/sync/PropertiesSyncEntity.java
+++ b/xiaoqu-agent-service/src/main/java/me/iiv/agent/mcp/sync/PropertiesSyncEntity.java
@@ -76,13 +76,13 @@ public class PropertiesSyncEntity extends AbstractSyncEntity implements SyncEnti
             }
             if (!ids.isEmpty()) {
                 for (Map<String, Object> owner : properytMapper.selectPropertyOwners(ids)) {
-                    Object pid = owner.get("property_id");
+                    Object pid = owner.get("pid");
                     if (pid == null) {
                         continue;
                     }
                     Long propertyId = Long.valueOf(String.valueOf(pid));
-                    Object uid = owner.get("user_id");
-                    Object uname = owner.get("user_name");
+                    Object uid = owner.get("uid");
+                    Object uname = owner.get("uname");
                     if (uid != null) {
                         ownerIds.put(propertyId, String.valueOf(uid));
                     }
diff --git a/xiaoqu-agent-service/src/test/java/me/iiv/agent/mcp/sync/SyncEntitiesTest.java b/xiaoqu-agent-service/src/test/java/me/iiv/agent/mcp/sync/SyncEntitiesTest.java
index f00d921..cc48881 100644
--- a/xiaoqu-agent-service/src/test/java/me/iiv/agent/mcp/sync/SyncEntitiesTest.java
+++ b/xiaoqu-agent-service/src/test/java/me/iiv/agent/mcp/sync/SyncEntitiesTest.java
@@ -18,6 +18,7 @@ import me.iiv.agent.entity.m2.WithdrawOrder;
 import me.iiv.agent.mapper.m0.BatteryFaultLogMapper;
 import me.iiv.agent.mapper.m0.DeviceLifeCycleMapper;
 import me.iiv.agent.mapper.m0.HardwareViewMapper;
+import me.iiv.agent.mapper.m0.AgentMapper;
 import me.iiv.agent.mapper.m0.ProperytMapper;
 import me.iiv.agent.mapper.m0.UserMapper;
 import me.iiv.agent.mapper.m1.MallGoodsOrderMapper;
@@ -67,6 +68,8 @@ class SyncEntitiesTest {
     @Mock
     ProperytMapper properytMapper;
     @Mock
+    AgentMapper agentMapper;
+    @Mock
     ContractNewMapper contractNewMapper;
     @Mock
     SalerRepaymentMapper salerRepaymentMapper;
@@ -166,7 +169,7 @@ class SyncEntitiesTest {
 
     @Test
     void propertiesAppliesRowFilterForUserAndMapsFields() {
-        PropertiesSyncEntity entity = new PropertiesSyncEntity(properytMapper, permissionService);
+        PropertiesSyncEntity entity = new PropertiesSyncEntity(properytMapper, permissionService, agentMapper);
         Properyt property = new Properyt();
         property.setId(9L);
         property.setName("望京SOHO");
@@ -192,9 +195,47 @@ class SyncEntitiesTest {
         assertEquals("ACTIVE", rows.get(0).item().get("status"));
     }
 
+    @Test
+    void propertiesExportsSaleOwnerFromUserIdColumns() {
+        PropertiesSyncEntity entity = new PropertiesSyncEntity(properytMapper, permissionService, agentMapper);
+        Properyt property = new Properyt();
+        property.setId(9L);
+        property.setName("望京SOHO");
+        property.setAgentId(33L);
+        property.setCreateId(11L);
+        property.setSoftDelete(0);
+        property.setModifyTime(Timestamp.valueOf("2026-09-01 10:00:00"));
+        when(properytMapper.selectList(any())).thenReturn(List.of(property));
+        // 别名刻意无下划线：MyBatis 会把 property_id 转成 propertyId
+        when(properytMapper.selectPropertyOwners(any()))
+                .thenReturn(List.of(Map.of("pid", 9L, "uid", 77L, "uname", "张三")));
+
+        List<SyncRow> rows = entity.fetchPage(null, 2000L, null, null, 3, null);
+
+        assertEquals("77", rows.get(0).item().get("sale_user_id"), "物业所属销售取 userId 列");
+        assertEquals("张三", rows.get(0).item().get("sale_user_name"));
+    }
+
+    @Test
+    void propertiesFallsBackToCreateIdWhenOwnerMissing() {
+        PropertiesSyncEntity entity = new PropertiesSyncEntity(properytMapper, permissionService, agentMapper);
+        Properyt property = new Properyt();
+        property.setId(9L);
+        property.setName("望京SOHO");
+        property.setCreateId(11L);
+        property.setSoftDelete(0);
+        property.setModifyTime(Timestamp.valueOf("2026-09-01 10:00:00"));
+        when(properytMapper.selectList(any())).thenReturn(List.of(property));
+        when(properytMapper.selectPropertyOwners(any())).thenReturn(List.of());
+
+        List<SyncRow> rows = entity.fetchPage(null, 2000L, null, null, 3, null);
+
+        assertEquals("11", rows.get(0).item().get("sale_user_id"), "缺 userId 时回落到创建人");
+    }
+
     @Test
     void propertiesSkipsRowFilterForServiceToken() {
-        PropertiesSyncEntity entity = new PropertiesSyncEntity(properytMapper, permissionService);
+        PropertiesSyncEntity entity = new PropertiesSyncEntity(properytMapper, permissionService, agentMapper);
         when(properytMapper.selectList(any())).thenReturn(List.of());
 
         entity.fetchPage(null, 2000L, null, null, 3, null);