diff --git a/engine/flutter/shell/platform/ohos/ohos_surface_software.cc b/engine/flutter/shell/platform/ohos/ohos_surface_software.cc
index 694eb0ea4ec8c3d7b150b3abc3725cdf06b00f8f..c52cf9cfd99523aca79977d04ab8aee96a27099e 100644
--- a/engine/flutter/shell/platform/ohos/ohos_surface_software.cc
+++ b/engine/flutter/shell/platform/ohos/ohos_surface_software.cc
@@ -156,6 +156,7 @@ bool OhosSurfaceSoftware::PresentBackingStore(
         return false;
     }
 
+    memset(surfaceBuffer->GetVirAddr(), 0, surfaceBuffer->GetSize());
     SurfaceDrawBuffer(requestConfig, surfaceBuffer, pixmap);
     SurfaceFlushBuffer(surfaceBuffer);