diff --git a/apps/ai-game-creator-shell/src-tauri/src/agent/runtime_tools/ui_design_doc.rs b/apps/ai-game-creator-shell/src-tauri/src/agent/runtime_tools/ui_design_doc.rs
index 646de29d8..423d63859 100644
--- a/apps/ai-game-creator-shell/src-tauri/src/agent/runtime_tools/ui_design_doc.rs
+++ b/apps/ai-game-creator-shell/src-tauri/src/agent/runtime_tools/ui_design_doc.rs
@@ -103,7 +103,14 @@ pub(in crate::agent) async fn observe_agent_runtime_ui_design_doc_run_workflow(
     .await
     {
         Ok(result) => {
-            if revision_before.is_none_or(|before| result.revision > before) {
+            // result.revision 是文档自己的 revision（随文档重置），和项目 revision 不是同一个计数器；
+            // 重新读一次项目 revision，才能判断本次工作流是否真的推进了清单。
+            let revision_after = read_game_creator_agent_runtime_project_revision(root)
+                .ok()
+                .map(|snapshot| snapshot.revision);
+            if revision_before
+                .is_none_or(|before| revision_after.is_none_or(|after| after > before))
+            {
                 emit_game_creator_manifest_invalidated(root, tool);
             }
             let pending = result.backfill_errors.len();