diff --git a/ruoyi-admin/src/main/java/com/ruoyi/api/service/impl/ToWcsServiceImpl.java b/ruoyi-admin/src/main/java/com/ruoyi/api/service/impl/ToWcsServiceImpl.java
index 0c5e949..b262f32 100644
--- a/ruoyi-admin/src/main/java/com/ruoyi/api/service/impl/ToWcsServiceImpl.java
+++ b/ruoyi-admin/src/main/java/com/ruoyi/api/service/impl/ToWcsServiceImpl.java
@@ -51,6 +51,11 @@ public class ToWcsServiceImpl implements IToWcsService {
         mydoJobParam.setInOut("2");
         List<MydoJob> outMydoJobs = mydoJobService.selectMydoJobListApi(mydoJobParam);
         for (MydoJob outMydoJob : outMydoJobs) {
+            // HTTP success only confirms receipt. A rear outbound stays in status 1 until
+            // every deeper position in its own lane is physically clear.
+            if (mydoJobService.isOutboundDispatchBlocked(outMydoJob.getJobId())) {
+                continue;
+            }
             RequestLog requestLog = requestLogService.getRequestLog(PUSH_OUT_MYDO_JOB, JSONUtil.toJsonStr(outMydoJob), "推送出库任务","wms","wcs");
             if ("1".equals(requestLog.getIsSuccessful())){
                 outMydoJob.setStatus("3");
diff --git a/ruoyi-admin/src/main/java/com/ruoyi/job/mydojob/mapper/MydoJobMapper.java b/ruoyi-admin/src/main/java/com/ruoyi/job/mydojob/mapper/MydoJobMapper.java
index ec2f038..635a162 100644
--- a/ruoyi-admin/src/main/java/com/ruoyi/job/mydojob/mapper/MydoJobMapper.java
+++ b/ruoyi-admin/src/main/java/com/ruoyi/job/mydojob/mapper/MydoJobMapper.java
@@ -95,4 +95,6 @@ public interface MydoJobMapper
     void updateLedError(HashMap<String, Object> map);
 
     Integer selectBySpare4OrCargo(InStockinDetail inStockinDetail);
+
+    int countOutboundDispatchBlockers(@Param("jobId") String jobId);
 }
diff --git a/ruoyi-admin/src/main/java/com/ruoyi/job/mydojob/service/IMydoJobService.java b/ruoyi-admin/src/main/java/com/ruoyi/job/mydojob/service/IMydoJobService.java
index 0f60062..74d72e5 100644
--- a/ruoyi-admin/src/main/java/com/ruoyi/job/mydojob/service/IMydoJobService.java
+++ b/ruoyi-admin/src/main/java/com/ruoyi/job/mydojob/service/IMydoJobService.java
@@ -111,4 +111,7 @@ public interface IMydoJobService
     List<MydoJob> getInJobBySerial(String serial);
 
     void ykCompleted(MydoJob outJob);
+
+    /** True while a deeper position in the same lane blocks this outbound. */
+    boolean isOutboundDispatchBlocked(String jobId);
 }
diff --git a/ruoyi-admin/src/main/java/com/ruoyi/job/mydojob/service/impl/MydoJobServiceImpl.java b/ruoyi-admin/src/main/java/com/ruoyi/job/mydojob/service/impl/MydoJobServiceImpl.java
index 9dd3046..69dd2da 100644
--- a/ruoyi-admin/src/main/java/com/ruoyi/job/mydojob/service/impl/MydoJobServiceImpl.java
+++ b/ruoyi-admin/src/main/java/com/ruoyi/job/mydojob/service/impl/MydoJobServiceImpl.java
@@ -540,4 +540,9 @@ public class MydoJobServiceImpl implements IMydoJobService {
             log.info("移库任务处理成功 jobId:[{}] trayCode:[{}]", outJob.getJobId(), outJob.getTrayCode());
         }
     }
+
+    @Override
+    public boolean isOutboundDispatchBlocked(String jobId) {
+        return mydoJobMapper.countOutboundDispatchBlockers(jobId) > 0;
+    }
 }
diff --git a/ruoyi-admin/src/main/resources/mapper/job/MydoJobMapper.xml b/ruoyi-admin/src/main/resources/mapper/job/MydoJobMapper.xml
index 82d20fb..c112314 100644
--- a/ruoyi-admin/src/main/resources/mapper/job/MydoJobMapper.xml
+++ b/ruoyi-admin/src/main/resources/mapper/job/MydoJobMapper.xml
@@ -271,6 +271,33 @@ PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"
         select * from mydo_job where task_no = #{taskNo}
     </select>
 
+    <select id="countOutboundDispatchBlockers" parameterType="String" resultType="int">
+        select count(1)
+        from mydo_job job
+        join bas_cargo_space source_space on source_space.cargo_space_id = job.cargo_space_id
+        where job.job_id = #{jobId}
+          and try_convert(int, job.in_or_out) &gt;= 20
+          and exists (
+              select 1
+              from bas_cargo_space outer_space
+              where outer_space.warehouse_id = source_space.warehouse_id
+                and outer_space.group_coding_no = source_space.group_coding_no
+                and try_convert(int, outer_space.group_coding) &gt; try_convert(int, source_space.group_coding)
+                and (
+                    isnull(outer_space.status, '') &lt;&gt; '1'
+                    or isnull(outer_space.locked, '') &lt;&gt; 'N'
+                    or nullif(ltrim(rtrim(outer_space.tray_code)), '') is not null
+                    or exists (select 1 from bas_stock stock where stock.cargo_space_id = outer_space.cargo_space_id)
+                    or exists (
+                        select 1 from mydo_job outer_job
+                        where outer_job.job_id &lt;&gt; job.job_id
+                          and (outer_job.cargo_space_id = outer_space.cargo_space_id
+                               or outer_job.target_cargo_space_id = outer_space.cargo_space_id)
+                    )
+                )
+          )
+    </select>
+
 
     <select id="allotInJobSpace" parameterType="java.util.Map"  statementType="CALLABLE">
         {call proc_allot_space(
diff --git a/ruoyi-admin/src/test/java/com/ruoyi/api/service/impl/ToWcsServiceImplTest.java b/ruoyi-admin/src/test/java/com/ruoyi/api/service/impl/ToWcsServiceImplTest.java
new file mode 100644
index 0000000..9aa1cc6
--- /dev/null
+++ b/ruoyi-admin/src/test/java/com/ruoyi/api/service/impl/ToWcsServiceImplTest.java
@@ -0,0 +1,72 @@
+package com.ruoyi.api.service.impl;
+
+import com.ruoyi.job.mydojob.domain.MydoJob;
+import com.ruoyi.job.mydojob.service.IMydoJobService;
+import com.ruoyi.log.domain.RequestLog;
+import com.ruoyi.log.service.IRequestLogService;
+import org.junit.jupiter.api.Test;
+import org.springframework.test.util.ReflectionTestUtils;
+
+import java.util.List;
+
+import static org.mockito.ArgumentMatchers.anyString;
+import static org.mockito.ArgumentMatchers.eq;
+import static org.mockito.Mockito.mock;
+import static org.mockito.Mockito.never;
+import static org.mockito.Mockito.verify;
+import static org.mockito.Mockito.when;
+
+class ToWcsServiceImplTest {
+
+    @Test
+    void blockedRearOutboundWaitsWithoutCallingWcsOrAdvancingStatus() {
+        IRequestLogService requests = mock(IRequestLogService.class);
+        IMydoJobService jobs = mock(IMydoJobService.class);
+        MydoJob rear = outbound("OUT-REAR", "120803");
+        when(jobs.selectMydoJobListApi(org.mockito.ArgumentMatchers.any())).thenReturn(List.of(rear));
+        when(jobs.isOutboundDispatchBlocked("OUT-REAR")).thenReturn(true);
+        ToWcsServiceImpl service = service(requests, jobs);
+
+        service.pushOutMydoJob();
+
+        verify(requests, never()).getRequestLog(anyString(), anyString(), anyString(), anyString(), anyString());
+        verify(jobs, never()).updateMydoJob(rear);
+    }
+
+    @Test
+    void unblockedOutboundDispatchesAndAdvancesExactlyOnce() {
+        IRequestLogService requests = mock(IRequestLogService.class);
+        IMydoJobService jobs = mock(IMydoJobService.class);
+        MydoJob front = outbound("OUT-FRONT", "120703");
+        when(jobs.selectMydoJobListApi(org.mockito.ArgumentMatchers.any())).thenReturn(List.of(front));
+        when(jobs.isOutboundDispatchBlocked("OUT-FRONT")).thenReturn(false);
+        RequestLog accepted = new RequestLog();
+        accepted.setIsSuccessful("1");
+        when(requests.getRequestLog(eq(ToWcsServiceImpl.PUSH_OUT_MYDO_JOB), anyString(),
+                eq("推送出库任务"), eq("wms"), eq("wcs"))).thenReturn(accepted);
+        ToWcsServiceImpl service = service(requests, jobs);
+
+        service.pushOutMydoJob();
+
+        verify(requests).getRequestLog(eq(ToWcsServiceImpl.PUSH_OUT_MYDO_JOB), anyString(),
+                eq("推送出库任务"), eq("wms"), eq("wcs"));
+        verify(jobs).updateMydoJob(front);
+        org.assertj.core.api.Assertions.assertThat(front.getStatus()).isEqualTo("3");
+    }
+
+    private ToWcsServiceImpl service(IRequestLogService requests, IMydoJobService jobs) {
+        ToWcsServiceImpl service = new ToWcsServiceImpl();
+        ReflectionTestUtils.setField(service, "requestLogService", requests);
+        ReflectionTestUtils.setField(service, "mydoJobService", jobs);
+        return service;
+    }
+
+    private MydoJob outbound(String jobId, String spaceId) {
+        MydoJob job = new MydoJob();
+        job.setJobId(jobId);
+        job.setCargoSpaceId(spaceId);
+        job.setInOrOut("21");
+        job.setStatus("1");
+        return job;
+    }
+}
diff --git a/scripts/dispatch-guard/test-dispatch-guard.ps1 b/scripts/dispatch-guard/test-dispatch-guard.ps1
new file mode 100644
index 0000000..195847d
--- /dev/null
+++ b/scripts/dispatch-guard/test-dispatch-guard.ps1
@@ -0,0 +1,44 @@
+param(
+    [string]$Server = 'lpc:.',
+    [string]$MapperFile = "$PSScriptRoot/../../ruoyi-admin/src/main/resources/mapper/job/MydoJobMapper.xml"
+)
+$ErrorActionPreference='Stop'
+[Console]::OutputEncoding=[Text.UTF8Encoding]::new($false)
+$testDb='FT546WMS_DispatchGuard_Test_'+[Guid]::NewGuid().ToString('N')
+$cn=[Data.SqlClient.SqlConnection]::new("Server=$Server;Database=master;Integrated Security=True;Connect Timeout=8;Application Name=FT546DispatchGuardTests")
+function Exec([string]$sql){$c=$cn.CreateCommand();$c.CommandTimeout=15;$c.CommandText=$sql;try{[void]$c.ExecuteNonQuery()}finally{$c.Dispose()}}
+function Scalar([string]$sql,[string]$jobId=$null){$c=$cn.CreateCommand();$c.CommandTimeout=15;$c.CommandText=$sql;if($null-ne$jobId){[void]$c.Parameters.Add('@jobId',[Data.SqlDbType]::VarChar,255);$c.Parameters['@jobId'].Value=$jobId};try{$c.ExecuteScalar()}finally{$c.Dispose()}}
+function Assert([bool]$ok,[string]$name){if(-not$ok){throw "FAIL: $name"};Write-Output "PASS: $name"}
+$created=$false
+$cn.Open()
+try{
+ $data=[string](Scalar "SELECT CONVERT(nvarchar(4000),SERVERPROPERTY('InstanceDefaultDataPath'))")
+ $log=[string](Scalar "SELECT CONVERT(nvarchar(4000),SERVERPROPERTY('InstanceDefaultLogPath'))")
+ Exec "CREATE DATABASE [$testDb] ON PRIMARY(NAME=N'$testDb',FILENAME=N'$data$testDb.mdf',SIZE=8MB,MAXSIZE=64MB) LOG ON(NAME=N'${testDb}_log',FILENAME=N'$log${testDb}_log.ldf',SIZE=8MB,MAXSIZE=64MB)"
+ $created=$true;$cn.ChangeDatabase($testDb);Exec 'SET LOCK_TIMEOUT 1500;SET DEADLOCK_PRIORITY LOW;'
+ Exec @'
+CREATE TABLE bas_cargo_space(cargo_space_id varchar(80),warehouse_id varchar(80),group_coding_no varchar(80),group_coding varchar(20),status varchar(10),locked varchar(10),tray_code varchar(80));
+CREATE TABLE bas_stock(stock_id varchar(80),cargo_space_id varchar(80));
+CREATE TABLE mydo_job(job_id varchar(255),cargo_space_id varchar(80),target_cargo_space_id varchar(80),in_or_out varchar(10));
+INSERT bas_cargo_space VALUES
+ ('REAR','01','LANE-A','1','4','N','REAR-TRAY'),('FRONT','01','LANE-A','2','2','N','FRONT-TRAY'),
+ ('OTHER-REAR','01','LANE-B','1','4','N','OTHER'),('OTHER-FRONT','01','LANE-B','2','1','N',NULL);
+INSERT bas_stock VALUES('FRONT-STOCK','FRONT');
+INSERT mydo_job VALUES('OUT-REAR','REAR',NULL,'21'),('OUT-FRONT','FRONT',NULL,'21'),('OUT-OTHER','OTHER-REAR',NULL,'21');
+'@
+ $settings=[Xml.XmlReaderSettings]::new();$settings.DtdProcessing=[Xml.DtdProcessing]::Ignore
+ $reader=[Xml.XmlReader]::Create($MapperFile,$settings);try{$xml=[Xml.XmlDocument]::new();$xml.Load($reader)}finally{$reader.Dispose()}
+ $node=$xml.SelectSingleNode("//*[local-name()='select' and @id='countOutboundDispatchBlockers']")
+ if($null-eq$node){throw 'Mapper query missing'}
+ $sql=$node.InnerText.Replace('#{jobId}','@jobId')
+ Assert ((Scalar $sql 'OUT-REAR')-gt 0) 'occupied outer position blocks rear outbound'
+ Assert ((Scalar $sql 'OUT-FRONT')-eq 0) 'front outbound is not blocked by its own lane'
+ Assert ((Scalar $sql 'OUT-OTHER')-eq 0) 'unrelated lane remains dispatchable'
+ Exec "DELETE bas_stock;DELETE mydo_job WHERE job_id='OUT-FRONT';UPDATE bas_cargo_space SET status='1',tray_code=NULL WHERE cargo_space_id='FRONT';INSERT mydo_job VALUES('MOVE-FRONT','FRONT','OTHER-FRONT','30')"
+ Assert ((Scalar $sql 'OUT-REAR')-gt 0) 'unfinished relocation keeps rear outbound waiting'
+ Exec "DELETE mydo_job WHERE job_id='MOVE-FRONT'"
+ Assert ((Scalar $sql 'OUT-REAR')-eq 0) 'confirmed relocation completion releases rear outbound'
+}finally{
+ if($created){$cn.ChangeDatabase('master');[Data.SqlClient.SqlConnection]::ClearAllPools();if($testDb-notmatch'^FT546WMS_DispatchGuard_Test_[a-f0-9]{32}$'){throw'Invalid scratch database'};Exec "DROP DATABASE [$testDb]";Write-Output "Scratch database removed: $testDb"}
+ $cn.Dispose()
+}