diff --git a/app/Http/Controllers/Mobile/SupplyDemandController.php b/app/Http/Controllers/Mobile/SupplyDemandController.php
index 81964e2..0320bb9 100755
--- a/app/Http/Controllers/Mobile/SupplyDemandController.php
+++ b/app/Http/Controllers/Mobile/SupplyDemandController.php
@@ -223,7 +223,7 @@ class SupplyDemandController extends CommonController
         if ($validator->fails()) {
             return $this->fail([ResponseCode::ERROR_PARAMETER, implode(',', $validator->errors()->all())]);
         }
-        $model = SupplyDemand::find($all['id']);
+        $model = SupplyDemand::find($all['supply_demand_id']);
         if (empty($model)) {
             return $this->fail([ResponseCode::ERROR_BUSINESS, '供需数据不存在']);
         }