diff --git a/blade-service/blade-desk/src/main/java/org/springblade/desk/oem/controller/OemOrderController.java b/blade-service/blade-desk/src/main/java/org/springblade/desk/oem/controller/OemOrderController.java
index 5f2611a35..62a133add 100644
--- a/blade-service/blade-desk/src/main/java/org/springblade/desk/oem/controller/OemOrderController.java
+++ b/blade-service/blade-desk/src/main/java/org/springblade/desk/oem/controller/OemOrderController.java
@@ -83,12 +83,12 @@ public class OemOrderController extends BladeController {
     }
 
     /**
-     * 协订单收回
+     * 外协订单收回
      */
     @PostMapping("/oemTakeBack")
     @ApiOperationSupport(order = 2)
-    @Operation(summary = "协订单收回", description = "")
-    @ApiLog("协订单 收回")
+    @Operation(summary = "外协订单收回", description = "")
+    @ApiLog("外协订单 收回")
     public R oemTakeBack(@Valid @RequestBody OemTakeBack oemTakeBack) {
         return workOrderRunService.oemTakeBack(oemTakeBack);
     }
diff --git a/blade-service/blade-desk/src/main/java/org/springblade/desk/produce/service/impl/WorkOrderRunServiceImpl.java b/blade-service/blade-desk/src/main/java/org/springblade/desk/produce/service/impl/WorkOrderRunServiceImpl.java
index f48d54875..a8ec495b7 100644
--- a/blade-service/blade-desk/src/main/java/org/springblade/desk/produce/service/impl/WorkOrderRunServiceImpl.java
+++ b/blade-service/blade-desk/src/main/java/org/springblade/desk/produce/service/impl/WorkOrderRunServiceImpl.java
@@ -134,6 +134,10 @@ public class WorkOrderRunServiceImpl extends BaseServiceImpl<WorkOrderRunMapper,
             if (null == workOrderRun) {
                 return R.fail("未找到相关外协订单");
             }
+            // 必须是"已下达"状态才能收回
+            if (!WorkOrderRun.RUN_STATUS_ISSUED.equals(workOrderRun.getRunStatus())) {
+                return R.fail("外协订单已收回或状态不正确，无法再次操作");
+            }
             // 获取订单信息
             WorkOrder workOrder = workOrderMapper.selectById(workOrderRun.getWoId());
             if (workOrder == null) {
@@ -551,11 +555,23 @@ public class WorkOrderRunServiceImpl extends BaseServiceImpl<WorkOrderRunMapper,
         return page.setRecords(approvals);
     }
 
+    /**
+     * 查找可交件的最后一道外协工序
+     * 取第一个非外协未开工序的 front_wp_id
+     */
     private WorkPlan findDeliverableWorkPlan(List<WorkPlan> workPlans) {
-        return workPlans.stream()
+        WorkPlan firstInternalPlan = workPlans.stream()
                 .filter(plan -> "0".equals(plan.getOem()) && plan.getStatus() == 1)
                 .min(Comparator.comparing(WorkPlan::getOrders))
                 .orElse(null);
+        if (firstInternalPlan == null) {
+            return null;
+        }
+        Long frontWpId = firstInternalPlan.getFrontWpId();
+        return workPlans.stream()
+                .filter(plan -> plan.getId().equals(frontWpId))
+                .findFirst()
+                .orElse(null);
     }
 
     private void executeBusinessLogic(YieldOrder yieldOrder, WorkOrder workOrder, WorkOrderRun workOrderRun,
@@ -593,6 +609,10 @@ public class WorkOrderRunServiceImpl extends BaseServiceImpl<WorkOrderRunMapper,
      */
     private void updateWorkOrder(WorkOrder workOrder, WorkPlan deliverablePlan,
                                  Integer scrapQty, Integer testQty) {
+        // 已交接的订单不允许再修改
+        if (WorkOrder.RUN_STATUS_CRAFT_CHANGE.equals(workOrder.getRunStatus())) {
+            throw new ServiceException("车间订单已交接，无法再次收回");
+        }
         workOrder.setWpId(deliverablePlan.getId());
         workOrder.setRunStatus(3); // 加工中
         workOrder.setMakeQty(workOrder.getMakeQty() - scrapQty - testQty);