Update app.py

app.py

@@ -16,12 +16,16 @@ sentiment_model = pipeline(
 
 # 2️⃣ 主處理流程
 def full_pipeline(file, num_clusters):
-    df = pd.read_csv(file)
-
-    if "text" not in df.columns:
-        return "❌ 錯誤：CSV 檔案需包含 text 欄位"
-    if "timestamp" not in df.columns:
-        return "❌ 錯誤：CSV 檔案需包含 timestamp 欄位（例如新聞時間）"
+    try:
+    df = pd.read_csv(file, encoding="utf-8")
+except UnicodeDecodeError:
+    try:
+        df = pd.read_csv(file, encoding="utf-8-sig")
+    except UnicodeDecodeError:
+        try:
+            df = pd.read_csv(file, encoding="big5")
+        except Exception as e:
+            return f"❌ 無法讀取 CSV 檔案，錯誤原因：{str(e)}"
 
     # 向量化並聚類
     texts = df["text"].astype(str).tolist()