diff --git a/services/sink/sinkmanager/src/distributed_input_sink_manager.cpp b/services/sink/sinkmanager/src/distributed_input_sink_manager.cpp
index a0b47b0a66a9339aa7a891bc9815c5b86a5b7350..a5d949c035eb7800464b0f3e4b6f963dc7a26c94 100644
--- a/services/sink/sinkmanager/src/distributed_input_sink_manager.cpp
+++ b/services/sink/sinkmanager/src/distributed_input_sink_manager.cpp
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2021-2024 Huawei Device Co., Ltd.
+ * Copyright (c) 2021-2025 Huawei Device Co., Ltd.
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
  * You may obtain a copy of the License at
@@ -1010,7 +1010,7 @@ void DistributedInputSinkManager::CleanExceptionalInfo(const SrcScreenInfo &srcS
     DHLOGI("CleanExceptionalInfo start!");
     std::string uuid = srcScreenInfo.uuid;
     int32_t sessionId = srcScreenInfo.sessionId;
-    auto sinkInfos = DInputContext::GetInstance().GetAllSinkScreenInfo();
+    std::unordered_map<std::string, SinkScreenInfo> sinkInfos = DInputContext::GetInstance().GetAllSinkScreenInfo();
 
     for (const auto &[id, sinkInfo] : sinkInfos) {
         auto srcInfo = sinkInfo.srcScreenInfo;
diff --git a/utils/src/dinput_context.cpp b/utils/src/dinput_context.cpp
index b7226c63ad37c4a03c180bd9a56104c1eea12691..d1e4d7bc892216bc64ff54b44c5062cc012358be 100644
--- a/utils/src/dinput_context.cpp
+++ b/utils/src/dinput_context.cpp
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2022-2024 Huawei Device Co., Ltd.
+ * Copyright (c) 2022-2025 Huawei Device Co., Ltd.
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
  * You may obtain a copy of the License at
@@ -27,8 +27,15 @@ IMPLEMENT_SINGLE_INSTANCE(DInputContext);
 
 DInputContext::~DInputContext()
 {
-    sinkScreenInfoMap_.clear();
-    srcScreenInfoMap_.clear();
+    {
+        std::lock_guard<std::mutex> lock(sinkMapMutex_);
+        sinkScreenInfoMap_.clear();
+    }
+
+    {
+        std::lock_guard<std::mutex> lock(srcMapMutex_);
+        srcScreenInfoMap_.clear();
+    }
 }
 
 std::string DInputContext::GetScreenInfoKey(const std::string &devId, const uint64_t sourceWinId)