diff --git a/chyoso_toolkit_ui.py b/chyoso_toolkit_ui.py
index cdc4f1c..2327a27 100644
--- a/chyoso_toolkit_ui.py
+++ b/chyoso_toolkit_ui.py
@@ -143,7 +143,7 @@ def remove_headers(curl_command):
     return curl_command
 
 
-def do_download_pdf_file(curl_command):
+def do_download_pdf_file(curl_command, pdf_filename):
     # 去除不需要的标头
     curl_command = remove_headers(curl_command)
 
@@ -151,7 +151,10 @@ def do_download_pdf_file(curl_command):
     try:
         result = subprocess.run(curl_command, shell=True, check=True, stdout=subprocess.PIPE, stderr=subprocess.PIPE)
         # 保存文件到临时文件
-        temp_file_path = "./download.pdf"
+        if pdf_filename != "":
+            temp_file_path = f"./{pdf_filename}.pdf"
+        else:
+            temp_file_path = "./download.pdf"
         with open(temp_file_path, 'wb') as f:
             f.write(result.stdout)
         return "File downloaded successfully", temp_file_path
@@ -159,8 +162,8 @@ def do_download_pdf_file(curl_command):
         return f"Failed to download file. Error: {e.stderr.decode()}", None
 
 
-def download_pdf(curl_command):
-    message, file_path = do_download_pdf_file(curl_command)
+def download_pdf(curl_command, pdf_filename):
+    message, file_path = do_download_pdf_file(curl_command, pdf_filename)
     return file_path
 
 
@@ -217,11 +220,14 @@ with gr.Blocks() as iface:
             with gr.Row():
                 curl_text_input = gr.Textbox(lines=10, placeholder="请在此输入cURL脚本...")
             with gr.Row():
-                pdf_download_button = gr.Button("下载")
+                with gr.Column():
+                    pdf_filename = gr.Textbox(placeholder="输入文件名")
+                with gr.Column():
+                    pdf_download_button = gr.Button("下载")
             with gr.Row():
                 pdf_download_result = gr.File(label="下载pdf文件")
 
-            pdf_download_button.click(download_pdf, inputs=curl_text_input, outputs=pdf_download_result)
+            pdf_download_button.click(download_pdf, inputs=[curl_text_input, pdf_filename], outputs=pdf_download_result)
 
     iface.load(fn=update_log_output, outputs=[log_output], every=1)