Update app.py

app.py

@@ -14,6 +14,7 @@ try:
 except ImportError:
     st.error("請安裝 'kaleido' 套件以啟用圖像導出功能：\n\n    $ pip install kaleido")
 
+
 def load_data(uploaded_file):
     """載入並處理CSV檔案"""
     try:
@@ -104,9 +105,9 @@ def apply_font_to_all_text(fig):
 
 
 def save_radar_chart_image(fig):
-  """使用 kaleido 輸出 png 的記憶體檔案"""
-  img_bytes = pio.to_image(fig, format="png", engine="kaleido")
-  return img_bytes
+    """使用 kaleido 輸出 png 的記憶體檔案"""
+    img_bytes = pio.to_image(fig, format="png", engine="kaleido")
+    return img_bytes
 
 def main():
     st.title('學生成績雷達圖產生器')
@@ -134,14 +135,23 @@ def main():
 
             st.write("### 批次下載雷達圖")
             comparison_rows = st.multiselect("選擇比較對象（可多選，如班平均或區標）", df['姓名'].tolist())
-
+            
             if comparison_rows:
               
+              st.markdown("""
+                  <style>
+                      div[data-baseweb="checkbox"] div {
+                          font-family: "Microsoft JhengHei", "Noto Sans CJK", Arial;
+                          font-size: 16px;
+                      }
+                  </style>
+                  """, unsafe_allow_html=True)
+
               st.write("### 選擇要下載的圖片")
               
               # 初始化選取狀態
               if 'selected_images' not in st.session_state:
-                  st.session_state.selected_images = {}
+                st.session_state.selected_images = {student:False for student in df['姓名'] if student not in comparison_rows}
 
               # 建立圖片核取方塊
               image_bytes = {}
@@ -160,11 +170,11 @@ def main():
                   st.image(image_bytes[student],use_container_width=True)
                   try:
                       st.checkbox(f"下載 {student}", key=student, value=st.session_state.selected_images[student])
-                      st.session_state.selected_images[student] = st.session_state[student] # 更新選取狀態
+                      st.session_state.selected_images[student] = st.session_state[student]  # 更新選取狀態
                   except KeyError:
-                       st.session_state.selected_images[student] = False  #如果還沒有這個學生則預設為不選
+                       st.session_state.selected_images[student] = False # 如果還沒有這個學生則預設為不選
                        st.checkbox(f"下載 {student}", key=student, value=st.session_state.selected_images[student])
-                       st.session_state.selected_images[student] = st.session_state[student] # 更新選取狀態
+                       st.session_state.selected_images[student] = st.session_state[student]  # 更新選取狀態
               
               #全部選取和全部不選
               if st.button("全部選取"):