fix: when_model_selected return right

app.py

@@ -126,16 +126,20 @@ def text_to_speech(
 
 
 def when_model_selected(model_id):
-    model_config = models_config[model_id]
+    model = models_config[model_id]
 
-    dialect_drop_down_choices = [
-        (k, v) for k, v in model_config["dialect_mapping"].items()
-    ]
-
-    return gr.update(
-        choices=dialect_drop_down_choices,
-        value=dialect_drop_down_choices[0][1],
-        interactive=len(dialect_drop_down_choices) > 1,
+    return (
+        gr.update(
+            choices=[speaker_name for speaker_name in model["speaker_mapping"].keys()],
+            value=list(model["speaker_mapping"].keys())[0],
+        ),
+        gr.update(
+            choices=[(k, v) for k, v in model["dialect_mapping"].items()],
+            value=list(model["dialect_mapping"].values())[0],
+        ),
+        gr.update(
+            value="預設語者",
+        ),
     )