diff --git a/app/Http/Controllers/Mobile/SupplyDemandController.php b/app/Http/Controllers/Mobile/SupplyDemandController.php
index 30c647a..75ee8eb 100755
--- a/app/Http/Controllers/Mobile/SupplyDemandController.php
+++ b/app/Http/Controllers/Mobile/SupplyDemandController.php
@@ -255,17 +255,6 @@ class SupplyDemandController extends CommonController
                 'to_user_id' => $all['to_user_id'],
                 'supply_demand_id' => $all['supply_demand_id'] ?? 0
             ]);
-            // 增加联系次数
-            if (isset($all['supply_demand_id'])) {
-                SupplyDemand::where('id', $all['supply_demand_id'])->increment('contact_count');
-            }
-        } else {
-            // 存在对话，如果也存在供需信息id，则更新供需id到最新
-            if (isset($all['supply_demand_id'])) {
-                $dialogue->supply_demand_id = $all['supply_demand_id'];
-                $dialogue->contact_count = $dialogue->contact_count + 1;
-                $dialogue->save();
-            }
         }
         if (isset($all['supply_demand_id'])) {
             $now = date('Y-m-d');
@@ -274,6 +263,12 @@ class SupplyDemandController extends CommonController
             if ($supplyDemand->expire_time > $now) {
                 return $this->fail([ResponseCode::ERROR_BUSINESS, '该信息已过期，不能私信']);
             }
+            if ($dialogue->supply_demand_id != $all['supply_demand_id']) {
+                // 第一次联系才增加一次
+                SupplyDemand::where('id', $all['supply_demand_id'])->increment('contact_count');
+            }
+            $dialogue->supply_demand_id = $all['supply_demand_id'];
+            $dialogue->save();
         }
         // 每天限制私信次数限制
         $message_limit = Config::getValueByKey('message_limit');