update

app/Http/Controllers/Mobile/SupplyDemandController.php

@@ -263,6 +263,7 @@ class SupplyDemandController extends CommonController
             // 存在对话，如果也存在供需信息id，则更新供需id到最新
             if (isset($all['supply_demand_id'])) {
                 $dialogue->supply_demand_id = $all['supply_demand_id'];
+                $dialogue->contact_count = $dialogue->contact_count + 1;
                 $dialogue->save();
             }
         }