fix sound 2

app.py

@@ -853,8 +853,10 @@ def playsound():
             soundfilename = Filename_Chatbot
             print("soundfilename:", soundfilename)
             return gr.update(value = soundfilename)
-    except:
-        pass
+    except Exception as e:
+        print("error:", e)
+        return None
+
     
 def HMI_Runing():
     return [gr.update(visible=False), gr.update(visible=True)]