diff --git a/klp-ui/src/components/KLPService/ContractSelect/index.vue b/klp-ui/src/components/KLPService/ContractSelect/index.vue
index e6d366ef..a2afcc17 100644
--- a/klp-ui/src/components/KLPService/ContractSelect/index.vue
+++ b/klp-ui/src/components/KLPService/ContractSelect/index.vue
@@ -157,6 +157,17 @@ export default {
             }
         }
     },
+    watch: {
+        value(val) {
+            if (val && !this.contractList.some(item => String(item.orderId) === String(val))) {
+                getOrder(val).then(res => {
+                    if (res.data) {
+                        this.contractList.unshift(res.data)
+                    }
+                }).catch(() => {})
+            }
+        }
+    },
     mounted() {
         if (this.mode == "today") {
             this.loadFromLocalStorage();
@@ -211,6 +222,17 @@ export default {
             this.sortLastSelectedToFirst();
             // 保存到localStorage
             this.saveToLocalStorage();
+            // 确保已选中的合同在列表中
+            if (this.value && !this.contractList.some(item => String(item.orderId) === String(this.value))) {
+                try {
+                    const contract = await getOrder(this.value);
+                    if (contract.data) {
+                        this.contractList.unshift(contract.data);
+                    }
+                } catch (e) {
+                    console.error('Failed to fetch selected contract:', e);
+                }
+            }
         },
 
         // 将上一次选择的合同排到列表第一位
diff --git a/klp-ui/src/views/wms/anneal/plan/ctrl.vue b/klp-ui/src/views/wms/anneal/plan/ctrl.vue
index 6221f352..f6c37c36 100644
--- a/klp-ui/src/views/wms/anneal/plan/ctrl.vue
+++ b/klp-ui/src/views/wms/anneal/plan/ctrl.vue
@@ -238,6 +238,7 @@
 import { listAnnealPlan, updateAnnealPlanCoil, getAnnealPlan, addAnnealPlan, updateAnnealPlan, delAnnealPlan, changeAnnealPlanStatus, inFurnace, completeAnnealPlan, listAnnealPlanCoils, bindAnnealPlanCoils, unbindAnnealPlanCoil } from "@/api/wms/annealPlan";
 import { listAnnealFurnace } from "@/api/wms/annealFurnace";
 import { listMaterialCoil } from "@/api/wms/coil";
+import { listCoilContractRel } from '@/api/wms/coilContractRel';
 import { listWarehouse } from '@/api/wms/warehouse'
 import WarehouseSelect from "@/components/KLPService/WarehouseSelect";
 import { addAnnealOperateEvent } from "@/api/wms/annealOperateEvent";
@@ -398,6 +399,15 @@ export default {
           enterCoilNo: item.enterCoilNo,
           warehouseId: item.logicWarehouseId || null
         }));
+        // 查询每个钢卷绑定的合同号作为默认值
+        for (const coil of this.completeCoils) {
+          listCoilContractRel({ coilId: coil.coilId }).then(res => {
+            const rows = res.rows || []
+            if (rows.length > 0 && rows[0].contractId) {
+              this.$set(coil, 'contractId', rows[0].contractId)
+            }
+          })
+        }
         this.completeLoading = false;
       }).catch(() => {
         this.completeLoading = false;
diff --git a/klp-ui/src/views/wms/coil/merge.vue b/klp-ui/src/views/wms/coil/merge.vue
index 5dde05a8..5f0b8524 100644
--- a/klp-ui/src/views/wms/coil/merge.vue
+++ b/klp-ui/src/views/wms/coil/merge.vue
@@ -363,6 +363,7 @@
 
 <script>
 import { getMaterialCoil, mergeMaterialCoil } from '@/api/wms/coil';
+import { listCoilContractRel } from '@/api/wms/coilContractRel';
 import { listCoilAbnormal } from '@/api/wms/coilAbnormal';
 import { listPendingAction, getPendingAction } from '@/api/wms/pendingAction';
 import CoilSelector from '@/components/CoilSelector';
@@ -671,6 +672,14 @@ export default {
         this.targetCoil.itemType = data.itemType;
         this.targetCoil.itemId = data.itemId;
         this.targetCoil.warehouseId = data.warehouseId;
+
+        // 获取源卷绑定的合同号作为目标卷默认值
+        listCoilContractRel({ coilId }).then(res => {
+          const rows = res.rows || []
+          if (rows.length > 0 && rows[0].contractId) {
+            this.$set(this.targetCoil, 'contractId', rows[0].contractId)
+          }
+        })
       } catch (error) {
         this.$message.error('加载钢卷信息失败');
         console.error(error);
diff --git a/klp-ui/src/views/wms/coil/panels/stepSplit.vue b/klp-ui/src/views/wms/coil/panels/stepSplit.vue
index da9a7dd7..0818cda3 100644
--- a/klp-ui/src/views/wms/coil/panels/stepSplit.vue
+++ b/klp-ui/src/views/wms/coil/panels/stepSplit.vue
@@ -378,6 +378,7 @@
 
 <script>
 import { getMaterialCoil, listMaterialCoil, createSpecialChild, completeSpecialSplit, updateMaterialCoilSimple, delMaterialCoil, getFirstHeatCoilMaterial } from '@/api/wms/coil'
+import { listCoilContractRel } from '@/api/wms/coilContractRel'
 import { listCoilAbnormal } from '@/api/wms/coilAbnormal'
 import { getPendingAction, updatePendingAction } from '@/api/wms/pendingAction'
 import { saveCoilCache, getCoilCacheByCoilId, delCoilCache } from '@/api/wms/coilCache'
@@ -735,6 +736,13 @@ export default {
       if (this.isGrindAction && this.coilInfo.enterCoilNo) {
         this.splitForm.chromePlateCoilNo = this.coilInfo.enterCoilNo.split(',')[0].trim()
       }
+      // 获取原料卷绑定的合同号作为默认值
+      listCoilContractRel({ coilId: this.coilId }).then(res => {
+        const rows = res.rows || []
+        if (rows.length > 0 && rows[0].contractId) {
+          this.$set(this.splitForm, 'contractId', rows[0].contractId)
+        }
+      })
       // 查询是否有缓存
       try {
         const res = await getCoilCacheByCoilId(this.coilId)
diff --git a/klp-ui/src/views/wms/coil/split.vue b/klp-ui/src/views/wms/coil/split.vue
index 052d4b8c..69573800 100644
--- a/klp-ui/src/views/wms/coil/split.vue
+++ b/klp-ui/src/views/wms/coil/split.vue
@@ -366,9 +366,10 @@
 
 <script>
 import { getMaterialCoil, splitMaterialCoil, getFirstHeatCoilMaterial } from '@/api/wms/coil';
+import { listCoilContractRel } from '@/api/wms/coilContractRel';
 import { listCoilAbnormal } from '@/api/wms/coilAbnormal';
 import { listWarehouse } from '@/api/wms/warehouse';
-import { completeAction, getPendingAction } from '@/api/wms/pendingAction';
+import { getPendingAction } from '@/api/wms/pendingAction';
 import ActualWarehouseSelect from "@/components/KLPService/ActualWarehouseSelect";
 import RawMaterialSelect from "@/components/KLPService/RawMaterialSelect";
 import ProductSelect from "@/components/KLPService/ProductSelect";
@@ -478,6 +479,7 @@ export default {
       inheritButtonLoading: false,
       parentCoils: [],
       currentInheritSubCoilIndex: -1,
+      defaultContractId: '',
     };
   },
   computed: {
@@ -502,8 +504,7 @@ export default {
     // 先加载库区列表
     await this.loadWarehouses();
 
-    // 不再一次性加载所有数据，改为实时搜索
-    // await this.loadAllItems();
+      // 加载母卷信息
 
     // 从路由参数获取coilId、actionId和readonly
     const coilId = this.$route.query.coilId;
@@ -643,6 +644,19 @@ export default {
             // console.error('获取最早的热轧卷板材质失败', error);
           }
 
+          // 获取母卷绑定的合同号作为子卷默认值
+          listCoilContractRel({ coilId }).then(res => {
+            const rows = res.rows || []
+            if (rows.length > 0 && rows[0].contractId) {
+              this.defaultContractId = rows[0].contractId
+              for (const item of this.splitList) {
+                if (!item.contractId) {
+                  this.$set(item, 'contractId', this.defaultContractId)
+                }
+              }
+            }
+          })
+
         }
       } catch (error) {
         this.$message.error('加载母卷信息失败');
@@ -683,6 +697,7 @@ export default {
         trimmingRequirement: '',
         temperGrade: '',
         coatingType: '',
+        contractId: this.defaultContractId || '',
         actualLength: undefined,
         actualWidth: undefined,
         productionStartTime: this.currentAction.createTime,
diff --git a/klp-ui/src/views/wms/coil/typing.vue b/klp-ui/src/views/wms/coil/typing.vue
index 8e8b9be4..22148fb0 100644
--- a/klp-ui/src/views/wms/coil/typing.vue
+++ b/klp-ui/src/views/wms/coil/typing.vue
@@ -389,9 +389,10 @@
 
 <script>
 import { getMaterialCoil, updateMaterialCoil, getFirstHeatCoilMaterial } from '@/api/wms/coil';
+import { listCoilContractRel } from '@/api/wms/coilContractRel';
 import { listCoilAbnormal } from '@/api/wms/coilAbnormal';
 import { matchBestSpecVersion } from '@/api/wms/processSpecVersion';
-import { completeAction, getPendingAction } from '@/api/wms/pendingAction';
+import { getPendingAction } from '@/api/wms/pendingAction';
 import { saveCoilCache, getCoilCacheByCoilId, delCoilCache } from '@/api/wms/coilCache';
 import ActualWarehouseSelect from "@/components/KLPService/ActualWarehouseSelect";
 import RawMaterialSelect from "@/components/KLPService/RawMaterialSelect";
@@ -754,24 +755,32 @@ export default {
             ...data,
           };
 
+          // 获取源卷绑定的合同号作为默认值
+          listCoilContractRel({ coilId }).then(res => {
+            const rows = res.rows || []
+            if (rows.length > 0 && rows[0].contractId) {
+              this.$set(this.updateForm, 'contractId', rows[0].contractId)
+            }
+          })
+
           const firstHeatMaterial = await getFirstHeatCoilMaterial(this.currentInfo.enterCoilNo);
 
           console.log(firstHeatMaterial)
           if (firstHeatMaterial.code === 200 && firstHeatMaterial.msg) {
             this.$set(this.updateForm, 'packingStatus', firstHeatMaterial.msg)
           }
+          // if (data.productionStartTime) {
+          //   this.updateForm.productionStartTime = data.productionStartTime;
+          // }
+          // if (data.productionEndTime) {
+          //   this.updateForm.productionEndTime = data.productionEndTime;
+          // }
+          // if (data.productionDuration) {
+          //   this.updateForm.productionDuration = data.productionDuration;
+          //   this.updateForm.formattedDuration = this.formatDuration(data.productionDuration);
+          // }
+
 
-          // 填充时间相关字段
-          if (data.productionStartTime) {
-            this.updateForm.productionStartTime = data.productionStartTime;
-          }
-          if (data.productionEndTime) {
-            this.updateForm.productionEndTime = data.productionEndTime;
-          }
-          if (data.productionDuration) {
-            this.updateForm.productionDuration = data.productionDuration;
-            this.updateForm.formattedDuration = this.formatDuration(data.productionDuration);
-          }
         }
       } catch (error) {
         this.$message.error('加载钢卷信息失败');