Update app.py

app.py

@@ -51,6 +51,14 @@ urls = [
 dfs = [download_and_clean_csv(url) for url in urls]
 combined_df = pd.concat(dfs, ignore_index=True)
 
+# 進一步清理 combined_df
+combined_df = combined_df.dropna().drop_duplicates()
+combined_df.columns = combined_df.columns.str.strip()
+combined_df = combined_df.applymap(lambda x: x.strip() if isinstance(x, str) else x)
+for col in ["範疇一排放量(噸CO2e)", "範疇二排放量(噸CO2e)", "範疇三排放量(噸CO2e)"]:
+    if col in combined_df.columns:
+        combined_df[col] = pd.to_numeric(combined_df[col], errors='coerce').fillna(0)
+
 # 設定 Streamlit 介面
 st.title("台灣企業ESG數據分析與揭露")