diff --git a/app/src/main/java/com/sw/dualscreen/activity/MainActivity.kt b/app/src/main/java/com/sw/dualscreen/activity/MainActivity.kt
index 42e4ee3..36aab30 100644
--- a/app/src/main/java/com/sw/dualscreen/activity/MainActivity.kt
+++ b/app/src/main/java/com/sw/dualscreen/activity/MainActivity.kt
@@ -917,7 +917,8 @@ class MainActivity : BaseActivity<ActivityMainBinding>() {
             //即放即取-1，称重-2
             mode = if (pickupMode == 1) 1 else 2,
             paymentFrom = if (settlementMode == 0) 1 else 2,
-            member = isMember
+            member = isMember,
+            cookOrderId = foodInfo.cookOrderId
         )
         submitOrder(request, successBlock)
     }
diff --git a/app/src/main/java/com/sw/dualscreen/model/request/v2/PlaceOrderRequest.kt b/app/src/main/java/com/sw/dualscreen/model/request/v2/PlaceOrderRequest.kt
index 6510bd1..e3d5948 100644
--- a/app/src/main/java/com/sw/dualscreen/model/request/v2/PlaceOrderRequest.kt
+++ b/app/src/main/java/com/sw/dualscreen/model/request/v2/PlaceOrderRequest.kt
@@ -20,5 +20,6 @@ data class PlaceOrderRequest(
     val foodMaterialId: Long? = null,
     val member: Boolean? = null,
     val remark: String? = null,
-    val deviceId: String? = null
+    val deviceId: String? = null,
+    val cookOrderId: String? = null
 )
diff --git a/app/src/main/java/com/sw/dualscreen/model/response/FoodInfo.kt b/app/src/main/java/com/sw/dualscreen/model/response/FoodInfo.kt
index c6646b4..bb4c74b 100644
--- a/app/src/main/java/com/sw/dualscreen/model/response/FoodInfo.kt
+++ b/app/src/main/java/com/sw/dualscreen/model/response/FoodInfo.kt
@@ -43,6 +43,8 @@ data class FoodInfo(
     val recommendCalorie: Double? = null,
     //图片
     var foodImg: String? = "",
+    //按单烹制 ID（菜品列表返回，就餐时原样回传，用于溯源码追踪）
+    var cookOrderId: String? = "",
 
     //-----------------------------------
     var score: Int = 0,
diff --git a/app/src/main/java/com/sw/dualscreen/model/response/v2/NewFoodInfo.kt b/app/src/main/java/com/sw/dualscreen/model/response/v2/NewFoodInfo.kt
index 08a4d1f..dd2190e 100644
--- a/app/src/main/java/com/sw/dualscreen/model/response/v2/NewFoodInfo.kt
+++ b/app/src/main/java/com/sw/dualscreen/model/response/v2/NewFoodInfo.kt
@@ -30,7 +30,9 @@ data class NewFoodInfo(
     val vipPrice: BigDecimal? = null,
     val recommendCalorie: Int = 0,
     val tablewareStatus: Boolean = false,
-    val tablewareWeight: Int = 0
+    val tablewareWeight: Int = 0,
+    //按单烹制 ID（菜品列表返回，就餐时原样回传，用于溯源码追踪）
+    var cookOrderId: String? = "",
 ) : Parcelable
 
 /** NewFoodInfo → FoodInfo 映射（V2 数据模型兼容旧版 UI） */
@@ -50,5 +52,6 @@ fun NewFoodInfo.toFoodInfo() = FoodInfo(
     fruitsVegetables = fruitsVegetables?.toDouble(),
     meatEggs = meatEggs?.toDouble(),
     recommendCalorie = recommendCalorie.toDouble(),
-    foodImg = foodImg
+    foodImg = foodImg,
+    cookOrderId = cookOrderId,
 )