diff --git a/blade-service/blade-desk/src/main/java/org/springblade/desk/basic/service/impl/PlanAssignSteerModifyServiceImpl.java b/blade-service/blade-desk/src/main/java/org/springblade/desk/basic/service/impl/PlanAssignSteerModifyServiceImpl.java
index ff46b46c9..4ba62fd1c 100644
--- a/blade-service/blade-desk/src/main/java/org/springblade/desk/basic/service/impl/PlanAssignSteerModifyServiceImpl.java
+++ b/blade-service/blade-desk/src/main/java/org/springblade/desk/basic/service/impl/PlanAssignSteerModifyServiceImpl.java
@@ -367,38 +367,64 @@ public class PlanAssignSteerModifyServiceImpl extends BaseServiceImpl<PlanAssign
 
     @Override
     public PlanAssignSteerModifyVO getDetail(Long pasmId, Long caId) {
-        // 参数校验：pasmId为空直接返回null
-        if (pasmId == null) {
-            return null;
-        }
+        List<PlanAssignSteerModifyDVO> modifyLst = null;
+        PlanAssignSteerModifyVO modifyVO = null;
+
+        Boolean initSteer = false;
+        if (pasmId != null) {
+            List<PlanAssignSteerModifyVO> entity = baseMapper.findByPasmId(pasmId);
+            List<PlanAssignSteerModifyVO> list = baseMapper.findByPasmId(pasmId);
+            if (list.isEmpty()) {
+                return null;
+            }
 
-        // 查询主表信息
-        List<PlanAssignSteerModifyVO> list = baseMapper.findByPasmId(pasmId);
-        if (list.isEmpty()) {
-            return null;
+            modifyVO = list.get(0);
+
+            if (caId == null || caId.equals(modifyVO.getPlatingId())) {
+                List<PlanAssignSteerModifyD> detailList = planAssignSteerModifyDService.findByPasmId(pasmId);
+                if (!detailList.isEmpty()) {
+                    modifyLst = detailList.stream()
+                            .map(d -> {
+                                PlanAssignSteerModifyDVO vo = new PlanAssignSteerModifyDVO();
+                                BeanUtil.copyProperties(d, vo);
+                                return vo;
+                            })
+                            .collect(Collectors.toList());
+                }
+            } else {
+                initSteer = true;
+            }
+        } else {
+            if (caId == null) {
+                modifyVO = new PlanAssignSteerModifyVO();
+                modifyVO.setPlatingId(null);
+                modifyVO.setCreateMan(AuthUtil.getUserId());
+                modifyVO.setCreateTime(new Date());
+            } else {
+                initSteer = true;
+            }
         }
 
-        PlanAssignSteerModifyVO modifyVO = list.get(0);
-
-        // 判断是否需要查询明细：caId为空 或 caId与主表的platingId匹配
-        // // TODO: 2026/5/22 caId根据工艺能力查询计划分派控制
-        boolean shouldQueryDetail = caId == null || caId.equals(modifyVO.getPlatingId());
-
-        List<PlanAssignSteerModifyDVO> modifyLst = null;
-        if (shouldQueryDetail) {
-            List<PlanAssignSteerModifyD> detailList = planAssignSteerModifyDService.findByPasmId(pasmId);
-            if (!detailList.isEmpty()) {
-                modifyLst = detailList.stream()
-                        .map(d -> {
-                            PlanAssignSteerModifyDVO vo = new PlanAssignSteerModifyDVO();
-                            BeanUtil.copyProperties(d, vo);
-                            return vo;
-                        })
-                        .collect(Collectors.toList());
-            }
+        if (initSteer) {
+            modifyVO = null;
+            // 根据工艺能力和外协厂商查找现有分派规则
+            List<PlanAssignSteer> assignSteers = planAssignSteerService.list(Wrappers.lambdaQuery(PlanAssignSteer.class)
+                    .eq(PlanAssignSteer::getPlatingId, caId));
+
+            modifyLst = assignSteers.stream()
+                    .map(assign -> {
+                        PlanAssignSteerModifyDVO modifyDVO = new PlanAssignSteerModifyDVO();
+                        modifyDVO.setPlatingId(assign.getPlatingId());
+                        modifyDVO.setOemId(assign.getOemId());
+                        modifyDVO.setAssignScale(assign.getAssignScale());
+                        modifyDVO.setPasId(assign.getId());
+                        return modifyDVO;
+                    })
+                    .collect(Collectors.toList());
         }
 
         modifyVO.setModifyLst(modifyLst);
+
         return modifyVO;
     }