fix bugs

app.py

@@ -1,14 +1,15 @@
 import qrcode
 import gradio as gr
 
-def url_to_qrcode(url, box_size):
+def url_to_qrcode(url, box_size, version):
     q = qrcode.QRCode(
-            version = None,
+            version = version,
             error_correction=qrcode.ERROR_CORRECT_H,
             box_size=box_size,
+            border=20
             )
     q.add_data(url)
-    q.make(fit=True)
+    q.make()
     img = q.make_image()
     img.save("qrcode.png")
     return "qrcode.png"
@@ -20,13 +21,24 @@ ui = gr.Interface(
                 label="請輸入 URL："
                 ),
             gr.Slider(
-                label="QRcode 邊邊點數：",
-                minimum=40,
-                maximum=300,
-                value=120
+                label="QRcode 方塊單邊點數：",
+                minimum=2,
+                maximum=100,
+                value=4,
+                step=1
+                ),
+            gr.Slider(
+                label="Version：",
+                minimum=1,
+                maximum=40,
+                value=1,
+                step=1
                 )
             ],
-        outputs=gr.Image(type="filepath")
+        outputs=gr.Image(
+            type="filepath",
+            label=""
+            )
         )
 ui.launch()