update

app/Http/Controllers/Mobile/SupplyDemandController.php

@@ -349,7 +349,11 @@ class SupplyDemandController extends CommonController
             $query->where('user_id', $all['to_user_id'])->where('to_user_id', $this->getUserId());
         })->first();
         if (empty($dialogue)) {
-            return $this->fail([ResponseCode::ERROR_BUSINESS, '会话不存在']);
+            // 创建一个会话
+            $dialogue = Dialogue::create([
+                'user_id' => $this->getUserId(),
+                'to_user_id' => $all['to_user_id']
+            ]);
         }
         $message = Message::with([
             'user' => function ($query) {