Update app.py

app.py

@@ -1,6 +1,7 @@
 import gradio as gr
 from jm_logic import run_jm_download
-from eh_logic import run_eh_download
+# 合并导入，避免重复
+from eh_logic import run_eh_download, debug_eh_info
 
 # --- 界面构建 ---
 with gr.Blocks(title="二次元聚合下载器") as demo:
@@ -99,11 +100,27 @@ with gr.Blocks(title="二次元聚合下载器") as demo:
             
             eh_files = gr.File(label="下载结果")
 
+            # --- 正常下载事件绑定 ---
             eh_btn.click(
                 fn=run_eh_download, 
                 inputs=[eh_url, eh_cookie, eh_quality], 
                 outputs=[eh_files, eh_log, eh_badge]
             )
 
+            # ================= 🆕 新增：调试工具区域 =================
+            gr.Markdown("---") # 分割线
+            with gr.Accordion("🛠️ 调试工具 (遇到 Unknown_Gallery 或 失败时点我)", open=False):
+                gr.Markdown("如果不清楚为什么下载失败，或者标题显示 Unknown，请点击下方按钮查看详细诊断报告。")
+                
+                debug_btn = gr.Button("🔍 运行标题诊断", variant="secondary")
+                debug_out = gr.Textbox(label="诊断报告 (原始 JSON 输出)", lines=15)
+                
+                # --- 调试按钮事件绑定 ---
+                debug_btn.click(
+                    fn=debug_eh_info,
+                    inputs=[eh_url, eh_cookie],
+                    outputs=[debug_out]
+                )
+
 if __name__ == "__main__":
     demo.queue().launch(ssr_mode=False, show_error=True)