Update app.py

app.py

@@ -25,12 +25,14 @@ finetune_lst = [
 ]
 
 size = st.selectbox("Choose a model size: ", size_lst)
-cased = st.selectbox("Whether distinguish upper and lowercase letters: ", size_lst)
+cased = st.selectbox("Whether distinguish upper and lowercase letters: ", cased_lst)
 fpretrain = st.selectbox("Further pretrained on a solar cell corpus: ", fpretrain_lst)
 finetune = st.selectbox("Finetuned on a QA dataset: ", finetune_lst)
 
 if fpretrain == "None":
-    model = "".join("ZongqianLi/bert-", size, cased, fpretrain, finetune)
+    model = "".join(["ZongqianLi/bert-", size, cased, fpretrain, finetune])
+else:
+    model = "".join(["ZongqianLi/bert-", size, cased, finetune])
 
 # 显示用户当前选择的模型
 st.write(f"You selected: {model}")