diff --git a/server-rs/crates/api-server/src/editor_project.rs b/server-rs/crates/api-server/src/editor_project.rs
index 1646aba75..a0c043d42 100644
--- a/server-rs/crates/api-server/src/editor_project.rs
+++ b/server-rs/crates/api-server/src/editor_project.rs
@@ -4579,11 +4579,14 @@ pub async fn snap_editor_image_to_pixel_art(
         })?;
 
     let task_id = build_prefixed_uuid_id("pixel-art-snap-");
-    let persisted = persist_editor_generated_image(
+    // 中文注释：尺寸已经在上一步取完，snapped_image 之后不再使用，所以按值移交给 _owned
+    // 版本。借用版会在内部 `image.bytes.clone()` 复制一整份输出图片；完美像素是同步路径，
+    // 那份复制会和原图在同一时刻共存。
+    let persisted = persist_editor_generated_image_owned(
         &state,
         owner_user_id.as_str(),
         task_id.as_str(),
-        &snapped_image,
+        snapped_image,
         "完美像素",
         None,
         EDITOR_PIXEL_ART_SNAP_ASSET_KIND,
@@ -10693,7 +10696,7 @@ mod tests {
             source,
             "pub async fn snap_editor_image_to_pixel_art(",
             "async fn validate_editor_background_removal_source",
-            "persist_editor_generated_image(",
+            "persist_editor_generated_image_owned(",
             1,
         );
         assert_function_not_contains(
@@ -10708,6 +10711,9 @@ mod tests {
                 // 中文注释：下载必须走带 deadline 的包装。退回裸调用会让 OSS GET 重新
                 // 落在 30s 预算之外，请求可以持着最多 32 MiB 无限期排队等 CPU 许可。
                 "download_editor_persisted_image_object(&state",
+                // 中文注释：持久化必须走按值移交的 _owned 版本。借用版内部会 clone 一整份
+                // 输出图片，在同步路径上和原图同时驻留内存。
+                "persist_editor_generated_image(",
             ],
         );
     }