diff --git a/services/cameraservice/sourceservice/src/distributedcameramgr/dcameradata/feedingsmoother/derived/dcamera_time_statistician.cpp b/services/cameraservice/sourceservice/src/distributedcameramgr/dcameradata/feedingsmoother/derived/dcamera_time_statistician.cpp
index 389bffd1443d93cbb65ea6dec183b397f38b209e..2b94317d77b956835c6ead1052503cd1cebc3b2f 100644
--- a/services/cameraservice/sourceservice/src/distributedcameramgr/dcameradata/feedingsmoother/derived/dcamera_time_statistician.cpp
+++ b/services/cameraservice/sourceservice/src/distributedcameramgr/dcameradata/feedingsmoother/derived/dcamera_time_statistician.cpp
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2023 Huawei Device Co., Ltd.
+ * Copyright (c) 2023-2024 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
@@ -72,6 +72,10 @@ int64_t DCameraTimeStatistician::CalAverValue(int64_t& value, int64_t& valueSum)
     if (frameIndex_ == FRAME_HEAD) {
         return 0;
     }
+    if (INT64_MAX - valueSum < value) {
+        DHLOGD("CalAverValue addition overflow.");
+        return 0;
+    }
     valueSum += value;
     return valueSum / frameIndex_;
 }