From af333bf7db2aa9ada858e650da55d9383d0af9d1 Mon Sep 17 00:00:00 2001
From: wangxuanxuan <wangxuanxuan9@huawei.com>
Date: Fri, 7 Jul 2023 10:19:19 +0800
Subject: [PATCH] check screen manager interface

Signed-off-by: wangxuanxuan <wangxuanxuan9@huawei.com>
---
 .../sink/sinkmanager/src/distributed_input_sink_manager.cpp   | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/services/sink/sinkmanager/src/distributed_input_sink_manager.cpp b/services/sink/sinkmanager/src/distributed_input_sink_manager.cpp
index 60466c7..a986d3d 100644
--- a/services/sink/sinkmanager/src/distributed_input_sink_manager.cpp
+++ b/services/sink/sinkmanager/src/distributed_input_sink_manager.cpp
@@ -797,7 +797,9 @@ DistributedInputSinkManager::ProjectWindowListener::ProjectWindowListener(Distri
     if (screen_ == nullptr) {
         std::vector<sptr<Rosen::Screen>> screens;
         Rosen::ScreenManager::GetInstance().GetAllScreens(screens);
-        screen_ = screens[SCREEN_ID_DEFAULT];
+        if (screens.size() > 0) {
+            screen_ = screens[SCREEN_ID_DEFAULT];
+        }
     }
 }
 
-- 
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