diff --git a/services/cameraservice/sinkservice/include/distributedcamera/dcamera_sink_hidumper.h b/services/cameraservice/sinkservice/include/distributedcamera/dcamera_sink_hidumper.h
index 5203e2557c7fafd84948a3f158d5d2f1b8228ca5..283dfe2376b54aa5be9ac06f91ecdb39b0f6a88d 100644
--- a/services/cameraservice/sinkservice/include/distributedcamera/dcamera_sink_hidumper.h
+++ b/services/cameraservice/sinkservice/include/distributedcamera/dcamera_sink_hidumper.h
@@ -61,7 +61,7 @@ private:
 
 private:
     CameraDumpInfo camDumpInfo_;
-    const size_t DUMP_MAX_SIZE = 10 * 1024;
+    const int32_t DUMP_MAX_SIZE = 10 * 1024;
 };
 } // namespace DistributedHardware
 } // namespace OHOS
diff --git a/services/cameraservice/sourceservice/include/distributedcamera/dcamera_source_hidumper.h b/services/cameraservice/sourceservice/include/distributedcamera/dcamera_source_hidumper.h
index 1139cd4adb151719e6ca5e5f807284648612110c..eb23061d2e68984bb09da3ee86927d8d97b665b7 100644
--- a/services/cameraservice/sourceservice/include/distributedcamera/dcamera_source_hidumper.h
+++ b/services/cameraservice/sourceservice/include/distributedcamera/dcamera_source_hidumper.h
@@ -69,7 +69,7 @@ private:
 
 private:
     CameraDumpInfo camDumpInfo_;
-    const size_t DUMP_MAX_SIZE = 10 * 1024;
+    const int32_t DUMP_MAX_SIZE = 10 * 1024;
 };
 } // namespace DistributedHardware
 } // namespace OHOS