diff --git a/apps/ai-game-creator-shell/src-tauri/src/ui_editor/commands/separation/workflow.rs b/apps/ai-game-creator-shell/src-tauri/src/ui_editor/commands/separation/workflow.rs
index 2d3cbb5ff..a17c07926 100644
--- a/apps/ai-game-creator-shell/src-tauri/src/ui_editor/commands/separation/workflow.rs
+++ b/apps/ai-game-creator-shell/src-tauri/src/ui_editor/commands/separation/workflow.rs
@@ -380,6 +380,7 @@ pub(crate) async fn separate_ui_impl(
                 }
             };
             let mut cut_paths = std::collections::HashMap::new();
+            let mut cut_error = None;
             for decision in &binding.decisions {
                 if let BindingDecision::Ok {
                     to_node,
@@ -387,10 +388,24 @@ pub(crate) async fn separate_ui_impl(
                 } = decision
                 {
                     let cut_path = sidecar.join(format!("cut-{}.png", to_node.as_str()));
-                    cut_processed_image(&processed_path, separated_image_area, &cut_path)?;
-                    cut_paths.insert(to_node.clone(), cut_path.to_string_lossy().to_string());
+                    match cut_processed_image(&processed_path, separated_image_area, &cut_path) {
+                        Ok(()) => {
+                            cut_paths
+                                .insert(to_node.clone(), cut_path.to_string_lossy().to_string());
+                        }
+                        Err(error) => {
+                            cut_error =
+                                Some(format!("节点 {} 的分离区域无效：{error}", to_node.as_str()));
+                            break;
+                        }
+                    }
                 }
             }
+            if let Some(error) = cut_error {
+                mark_batch_problematic(&mut separation, tree_index, &batch, error);
+                write_separation_state(&state_path, &separation)?;
+                continue;
+            }
             apply_batch_patch(&mut separation, tree_index, &binding.decisions, &cut_paths)?;
             write_separation_state(&state_path, &separation)?;
         }