Update app.py

app.py

@@ -2,6 +2,7 @@ import streamlit as st
 import requests
 from tqdm import tqdm
 import os
+from urllib.parse import urlparse
 
 # 设置Streamlit应用程序的标题
 st.title('文件下载器')
@@ -18,7 +19,12 @@ if st.button('下载'):
             file_size = int(response.headers.get('content-length', 0))
 
             # 从URL中提取文件名
-            filename = url.split('/')[-1]
+            parsed_url = urlparse(url)
+            filename = os.path.basename(parsed_url.path)
+            if not filename:
+                filename = 'downloaded_file'
+            if len(filename) > 255:
+                filename = filename[:255]
 
             # 下载文件并显示进度条
             response = requests.get(url, stream=True)
@@ -44,5 +50,7 @@ if st.button('下载'):
 
         except requests.exceptions.RequestException as e:
             st.error(f"下载文件时出错：{e}")
+        except Exception as e:
+            st.error(f"发生错误：{e}")
     else:
         st.warning('请输入一个有效的URL。')