diff --git a/purgeable_builder/src/purgeable_pixelmap_builder.cpp b/purgeable_builder/src/purgeable_pixelmap_builder.cpp
index 312723eeb0c5529ddf3e2ad2cdc014abc27c9f5e..2c84ae6367ae83eb1efef53b5243b1475afe8811 100644
--- a/purgeable_builder/src/purgeable_pixelmap_builder.cpp
+++ b/purgeable_builder/src/purgeable_pixelmap_builder.cpp
@@ -101,7 +101,7 @@ void SetBuilderToBePurgeable(PixelMap *pixelMap,
             *(static_cast<int *>(pixelMap->GetFd())), pixelMap->GetWritablePixels());
         if (isChanged) {
             pixelMap->SetPurgeableMemPtr(tmpPtr);
-            pixelMap->GetPurgeableMemPtr()->BeginRead();
+            pixelMap->GetPurgeableMemPtr()->BeginReadWithDataLock();
         } else {
             HiviewDFX::HiLog::Error(LABEL, "ChangeAshmemData fail.");
         }