play2

app.py

@@ -522,21 +522,15 @@ def play_on_select(
     state,
 ):
     if not state or "aligned" not in state:
-        raise gr.Error("请先“加载并对齐”。")
+        raise gr.Error("请先加载并对齐。")
 
-    # evt.index 在 gradio 里可能是：
-    # - int: 行号
-    # - tuple(row, col)
     idx_raw = evt.index
-    if isinstance(idx_raw, (tuple, list)):
-        row = int(idx_raw[0])
-    else:
-        row = int(idx_raw)
+    row = int(idx_raw[0] if isinstance(idx_raw, (tuple, list)) else idx_raw)
 
     if not df_value or row < 0 or row >= len(df_value):
         raise gr.Error("无法读取选中行，请重试。")
 
-    seg_idx = int(df_value[row][0])  # 第 0 列是 segment idx（从1开始）
+    seg_idx = int(df_value[row][0])
     seg = state["aligned"][seg_idx - 1]
 
     a_start, a_end, b_start, b_end = pick_window(
@@ -549,18 +543,18 @@ def play_on_select(
     info = {
         "segment": seg_idx,
         "play_mode": play_mode,
-        "crop_mode": crop_mode,
-        "offset_a_sec": float(offset_a),
-        "offset_b_sec": float(offset_b),
         "A_time": f"{a_start:.2f}-{a_end:.2f}",
         "B_time": f"{b_start:.2f}-{b_end:.2f}",
     }
 
+    # ✅ 关键修复：不要返回 None
     if play_mode == "A":
-        return a_wav, None, info
-    if play_mode == "B":
-        return None, b_wav, info
-    return a_wav, b_wav, info
+        return a_wav, gr.update(value=None), info
+    elif play_mode == "B":
+        return gr.update(value=None), b_wav, info
+    else:
+        return a_wav, b_wav, info
+
 
 
 # =========================================================