diff --git a/app/adminapi/logic/contract/ProcurementContractChangeLogic.php b/app/adminapi/logic/contract/ProcurementContractChangeLogic.php
index 2b2cf6a36..62f84d3b8 100644
--- a/app/adminapi/logic/contract/ProcurementContractChangeLogic.php
+++ b/app/adminapi/logic/contract/ProcurementContractChangeLogic.php
@@ -16,6 +16,7 @@ namespace app\adminapi\logic\contract;
 
 
 use app\common\model\contract\ProcurementContractChange;
+use app\common\model\contract\ProcurementContractDetail;
 use app\common\logic\BaseLogic;
 use think\facade\Db;
 
@@ -59,7 +60,19 @@ class ProcurementContractChangeLogic extends BaseLogic
                 'remark' => $params['remark'] ?? 0,
                 'annex' => $params['annex'] ?? 0,
             ]);
-
+            ProcurementContractDetail::where('procurement_contract_id', $params['procurement_contract_id'])->update(['delete_time' =>time()]);
+            foreach ($params['material'] ?? [] as $item)
+            {       
+                ProcurementContractDetail::create([
+                    'procurement_contract_id' =>  $params['procurement_contract_id'],
+                    'material_procurement_application_id' => $item['material_procurement_application_id'] ?? 0,
+                    'num' => $item['num'] ?? 0,
+                    'unit_price_including_tax' => $item['unit_price_including_tax'] ?? 0,
+                    'tax_rate' => $item['tax_rate'] ?? 0,
+                    'amount_excluding_tax' => $item['amount_excluding_tax'] ?? 0,
+                    'amount_including_tax' => $item['amount_including_tax'] ?? 0,
+                ]);
+            }
             Db::commit();
             return true;
         } catch (\Exception $e) {
@@ -100,7 +113,19 @@ class ProcurementContractChangeLogic extends BaseLogic
                 'remark' => $params['remark'] ?? 0,
                 'annex' => $params['annex'] ?? 0,
             ]);
-
+            ProcurementContractDetail::where('procurement_contract_id', $params['procurement_contract_id'])->update(['delete_time' =>time()]);
+            foreach ($params['material'] ?? [] as $item)
+            {       
+                ProcurementContractDetail::create([
+                    'procurement_contract_id' =>$params['procurement_contract_id'],
+                    'material_procurement_application_id' => $item['material_procurement_application_id'] ?? 0,
+                    'num' => $item['num'] ?? 0,
+                    'unit_price_including_tax' => $item['unit_price_including_tax'] ?? 0,
+                    'tax_rate' => $item['tax_rate'] ?? 0,
+                    'amount_excluding_tax' => $item['amount_excluding_tax'] ?? 0,
+                    'amount_including_tax' => $item['amount_including_tax'] ?? 0,
+                ]);
+            }
             Db::commit();
             return true;
         } catch (\Exception $e) {
@@ -134,8 +159,8 @@ class ProcurementContractChangeLogic extends BaseLogic
     public static function detail($params): array
     {
         $procurementContractChange = ProcurementContractChange::findOrEmpty($params['id']);
-        $procurementContractChange->contract = $procurementContractChange->contract;
         $procurementContractChange->project = $procurementContractChange->project;
+        $procurementContractChange->material = $procurementContractChange->material;
         return $procurementContractChange->toArray();
     }
 }
\ No newline at end of file
diff --git a/app/adminapi/validate/contract/ProcurementContractChangeValidate.php b/app/adminapi/validate/contract/ProcurementContractChangeValidate.php
index 80bd8d2fd..57761b127 100644
--- a/app/adminapi/validate/contract/ProcurementContractChangeValidate.php
+++ b/app/adminapi/validate/contract/ProcurementContractChangeValidate.php
@@ -36,7 +36,7 @@ class ProcurementContractChangeValidate extends BaseValidate
         'supplier_id' => 'require',
         'approve_id' => 'require',
         'project_id' => 'require',
-        'contract_no' => 'require',
+        'material' => 'require|array|checkMaterial',
     ];
 
 
@@ -95,4 +95,28 @@ class ProcurementContractChangeValidate extends BaseValidate
         return $this->only(['id']);
     }
 
+    public function checkMaterial($value, $rule, $data)
+    {
+        $firstData = $value[0] ?? [];
+        if (empty($firstData['material_procurement_application_id'])) {
+            return '材料采购申请id不能为空！';
+        }
+        if (empty($firstData['num'])) {
+            return '材料数量不能为空！';
+        }
+        if (empty($firstData['unit_price_including_tax'])) {
+            return '材料含税单价不能为空！';
+        }
+        if (empty($firstData['tax_rate'])) {
+            return '材料税率不能为空！';
+        }
+        if (empty($firstData['amount_excluding_tax'])) {
+            return '材料不含税金额不能为空！';
+        }
+        if (empty($firstData['amount_including_tax'])) {
+            return '材料含税金额不能为空！';
+        }
+        return true;
+    }
+
 }
\ No newline at end of file
diff --git a/app/common/model/contract/ProcurementContractChange.php b/app/common/model/contract/ProcurementContractChange.php
index 510fa257f..458e3d278 100644
--- a/app/common/model/contract/ProcurementContractChange.php
+++ b/app/common/model/contract/ProcurementContractChange.php
@@ -40,6 +40,11 @@ class ProcurementContractChange extends BaseModel
         return $this->belongsTo(\app\common\model\contract\ProcurementContract::class, 'procurement_contract_id');
     }
 
+    public function material()
+    {
+        return $this->hasMany(\app\common\model\contract\ProcurementContractDetail::class, 'procurement_contract_id', 'procurement_contract_id');
+    }
+
     public function getSigningDateAttr($value)
     {
         return empty($value) ? '' : date('Y-m-d H:i:s', $value);