diff --git a/frontend/dataset_generate_page.py b/frontend/dataset_generate_page.py
index afaedb2..f106a64 100644
--- a/frontend/dataset_generate_page.py
+++ b/frontend/dataset_generate_page.py
@@ -1,6 +1,9 @@
 import gradio as gr
-from tools import scan_docs_directory
-from global_var import get_docs, scan_docs_directory, get_prompt_store
+import sys
+from pathlib import Path
+
+sys.path.append(str(Path(__file__).resolve().parent.parent))
+from global_var import get_docs, get_prompt_store
 
 def dataset_generate_page():
     with gr.Blocks() as demo:
@@ -39,4 +42,22 @@ def dataset_generate_page():
         doc_dropdown.change(lambda x: x, inputs=doc_dropdown, outputs=doc_state)
         prompt_dropdown.change(lambda x: x, inputs=prompt_dropdown, outputs=prompt_state)
 
-    return demo
\ No newline at end of file
+        # 新增事件绑定
+        def on_doc_change(selected_doc):
+            print(f"文档选择已更改为: {selected_doc}")
+            return selected_doc
+
+        def on_prompt_change(selected_prompt):
+            print(f"模板选择已更改为: {selected_prompt}")
+            return selected_prompt
+
+        doc_dropdown.change(on_doc_change, inputs=doc_dropdown, outputs=doc_state)
+        prompt_dropdown.change(on_prompt_change, inputs=prompt_dropdown, outputs=prompt_state)
+
+    return demo
+
+if __name__ == "__main__":
+    from global_var import init_global_var
+    init_global_var("workdir")
+    demo = dataset_generate_page()
+    demo.launch()
\ No newline at end of file