diff --git a/apps/ai-game-creator-shell/src-tauri/src/ui_editor/workflow.rs b/apps/ai-game-creator-shell/src-tauri/src/ui_editor/workflow.rs
index 3eccc2876..05064ad65 100644
--- a/apps/ai-game-creator-shell/src-tauri/src/ui_editor/workflow.rs
+++ b/apps/ai-game-creator-shell/src-tauri/src/ui_editor/workflow.rs
@@ -20,6 +20,7 @@ use image::GenericImageView as _;
 use nalgebra::Vector2;
 use serde::{Deserialize, Serialize};
 use sha2::{Digest as _, Sha256};
+use shared_contracts::game_creation_app::GameCreationAppAssetKind;
 use std::collections::{HashMap, HashSet};
 use std::fs;
 use std::path::Path;
@@ -534,8 +535,8 @@ fn validate_source_asset(
     root: &Path,
     asset: &GameCreationAppAssetManifestEntry,
 ) -> Result<(), String> {
-    if asset.kind != "ui-prototype" || !asset.media_type.starts_with("image/") {
-        return Err("ui.workflow.run sourceAssetId 必须是已登记的 ui-prototype 图片".to_string());
+    if asset.kind != GameCreationAppAssetKind::UiDesign || !asset.media_type.starts_with("image/") {
+        return Err("ui.workflow.run sourceAssetId 必须是已登记的 ui-design 图片".to_string());
     }
     validate_image_asset_file(root, asset, "UI 原型图")
 }
@@ -1606,7 +1607,7 @@ mod tests {
         let design_path = root.join("assets/home.png");
         fixture_png(&source_path);
         fixture_png(&design_path);
-        let source = fixture_asset(root, "assets/ui-prototype.png", "ui-prototype", "source-ui");
+        let source = fixture_asset(root, "assets/ui-prototype.png", "ui-design", "source-ui");
         let design = fixture_asset(root, "assets/home.png", "ui-design", "design-home");
         let page = |operation| UiWorkflowRunInput {
             operation,
@@ -1657,7 +1658,7 @@ mod tests {
         fixture_png(&root.join("assets/ui-prototype.png"));
         fixture_png(&root.join("assets/home.png"));
         fixture_png(&root.join("assets/start-button.png"));
-        let source = fixture_asset(root, "assets/ui-prototype.png", "ui-prototype", "source-ui");
+        let source = fixture_asset(root, "assets/ui-prototype.png", "ui-design", "source-ui");
         let design = fixture_asset(root, "assets/home.png", "ui-design", "design-home");
         let sprite = fixture_asset(root, "assets/start-button.png", "ui-icon", "start-button");
         let font_path = root.join("assets/ui-font.ttf");