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 667ae50cd..9f39bb140 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
@@ -25,6 +25,7 @@ use std::path::Path;
 use ts_rs::TS;
 
 const MAX_REFERENCES: usize = 4;
+const MAX_SPRITE_ASSETS: usize = 128;
 const MAX_RECOGNITION_TREE_NODES: usize = 512;
 const MAX_RECOGNITION_TREE_DEPTH: usize = 32;
 const LEGACY_RECOGNITION_SYSTEM_PROMPT: &str = r#"
@@ -627,6 +628,12 @@ pub(crate) async fn recognition_and_binding_impl_with_provider(
     if state.ui_design_images.len() > MAX_REFERENCES {
         return Err("界面图最多 4 张".to_string());
     }
+    if state.sprite_assets.len() > MAX_SPRITE_ASSETS {
+        return Err(format!(
+            "独立素材最多 {MAX_SPRITE_ASSETS} 个，当前为 {} 个",
+            state.sprite_assets.len()
+        ));
+    }
     let mut context_ids = state.ui_design_images.keys().cloned().collect::<Vec<_>>();
     context_ids.sort_by(|left, right| {
         let left_is_page = state