update

app/Http/Controllers/Mobile/SupplyDemandController.php

@@ -343,9 +343,11 @@ class SupplyDemandController extends CommonController
             return $this->fail([ResponseCode::ERROR_PARAMETER, implode(',', $validator->errors()->all())]);
         }
         // 获取会话id
-        $dialogue = Dialogue::where('user_id', $this->getUserId())
+        $dialogue = Dialogue::where(function ($query) use ($all) {
-            ->where('to_user_id', $all['to_user_id'])
+            $query->where('user_id', $this->getUserId())->where('to_user_id', $all['to_user_id']);
-            ->first();
+        })->orWhere(function ($query) use ($all) {
+            $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']);
         }