diff --git a/app/Http/Controllers/Admin/SupplyDemandController.php b/app/Http/Controllers/Admin/SupplyDemandController.php
index 273d806..9cd6795 100755
--- a/app/Http/Controllers/Admin/SupplyDemandController.php
+++ b/app/Http/Controllers/Admin/SupplyDemandController.php
@@ -270,7 +270,7 @@ class SupplyDemandController extends BaseController
         $interactionGrowthRate = $this->calculateGrowthRate($interactionCount, $prevInteractionCount);
 
         // 当期供需发布分页
-        $list = SupplyDemand::with(['user', 'messages' => function ($query) {
+        $list = SupplyDemand::with(['user', 'dialogues' => function ($query) {
             $query->with('user', 'toUser')->limit(2)->orderBy('created_at', 'desc');
         }])->where(function ($query) use ($type) {
             if ($type) {
@@ -278,13 +278,6 @@ class SupplyDemandController extends BaseController
             }
         })->whereBetween('created_at', [$startDate, $endDate])
             ->paginate($all['page_size'] ?? 20);
-        foreach ($list as $item) {
-            $item->dialogue = Dialogue::with('user', 'toUser')->where(function ($query) use ($item) {
-                $query->where('user_id', $item->user_id)->where('to_user_id', $item->to_user_id);
-            })->orWhere(function ($query) use ($item) {
-                $query->where('user_id', $item->to_user_id)->where('to_user_id', $item->user_id);
-            })->first();
-        }
         return $this->success([
             'list' => $list,
             'supply_demand_count' => $supplyDemandCount,
diff --git a/app/Models/SupplyDemand.php b/app/Models/SupplyDemand.php
index b9c0860..9fb41cd 100755
--- a/app/Models/SupplyDemand.php
+++ b/app/Models/SupplyDemand.php
@@ -34,5 +34,10 @@ class SupplyDemand extends SoftDeletesModel
         return $this->hasMany(Message::class, 'supply_demand_id', 'id');
     }
 
+    public function dialogues()
+    {
+        return $this->hasMany(Dialogue::class, 'supply_demand_id', 'id');
+    }
+
 }