diff --git a/apps/ai-game-creator-shell/src-tauri/src/ui_editor/commands/recognition_and_binding.rs b/apps/ai-game-creator-shell/src-tauri/src/ui_editor/commands/recognition_and_binding.rs
index 9a9c4ba79..667ae50cd 100644
--- a/apps/ai-game-creator-shell/src-tauri/src/ui_editor/commands/recognition_and_binding.rs
+++ b/apps/ai-game-creator-shell/src-tauri/src/ui_editor/commands/recognition_and_binding.rs
@@ -681,7 +681,7 @@ pub(crate) async fn recognition_and_binding_impl_with_provider(
         });
         parts.push(LlmMessageContentPart::InputImage { image_url });
     }
-    parts.push(LlmMessageContentPart::InputText { text: "请直接返回完整最终 UI 树；每个节点可包含 components，空数组表示无组件。不要输出 node_id。".to_string() });
+    parts.push(LlmMessageContentPart::InputText { text: "请为每张输入图片各返回一棵 UI 树（trees 与输入图片一一对应）；每个节点可包含 components，空数组表示无组件。不要输出 node_id。".to_string() });
     let (llm, client) = if provider_identity.is_none() {
         let llm = load_game_creator_app_config()?.llm;
         let client = build_game_creator_llm_client_from_llm_config(&llm, "llm")