diff --git a/src/bot/handlers/basic.py b/src/bot/handlers/basic.py
index cf49d6e7..7ddadb1c 100644
--- a/src/bot/handlers/basic.py
+++ b/src/bot/handlers/basic.py
@@ -247,6 +247,15 @@ class BasicCommandHandler:
     def handle_markets(self, message: Any) -> None:
         trace = CommandTrace("/markets", message)
         try:
+            chat_type = str(getattr(getattr(message, "chat", None), "type", "") or "").strip().lower()
+            if chat_type and chat_type != "private":
+                self.bot.reply_to(
+                    message,
+                    "ℹ️ `/markets` 仅支持私聊机器人查询。\n频道继续接收自动推送；如需手动查看当前市场概览，请私聊 bot 发送 `/markets`。",
+                    parse_mode="Markdown",
+                )
+                trace.set_status("blocked", f"unsupported_chat_type:{chat_type}")
+                return
             from src.utils.telegram_push import build_market_monitor_digest
 
             summary = build_market_monitor_digest(
diff --git a/src/bot/io_layer.py b/src/bot/io_layer.py
index 2cc9c106..42a1879c 100644
--- a/src/bot/io_layer.py
+++ b/src/bot/io_layer.py
@@ -178,7 +178,7 @@ class BotIOLayer:
             "可用指令:\n"
             f"/city [城市名] 或 /pwcity [城市名] - 查询城市天气预测与实测 (消耗 {CITY_QUERY_COST} 积分)\n"
             f"/deb [城市名] 或 /pwdeb [城市名] - 查看 DEB 融合预测准确率 (消耗 {DEB_QUERY_COST} 积分)\n"
-            "/markets - 查看当前市场监控摘要\n"
+            "/markets - 私聊机器人查看当前市场监控摘要\n"
             "/top - 查看积分排行榜\n"
             "/id - 获取当前聊天的 Chat ID\n\n"
             "/diag - 查看 Bot 启动诊断\n\n"
@@ -186,6 +186,7 @@ class BotIOLayer:
             "/unbind - 解除当前 Telegram 与网页账号绑定\n\n"
             "🔗 机器人: <a href=\"https://t.me/WeatherQuant_bot\">@WeatherQuant_bot</a>\n"
             "👥 社群: <a href=\"https://t.me/+nMG7SjziUKYyZmM1\">加入 Telegram 群组</a>\n\n"
+            "📌 <i>私有频道用于接收自动推送；手动查看市场概览请私聊机器人发送 <code>/markets</code>。</i>\n\n"
             "🔐 <i>/city 与 /deb 仅限官方群成员使用。</i>\n\n"
             "示例: <code>/city 伦敦</code> 或 <code>/pwcity 伦敦</code>\n"
             f"💡 <i>提示: 每日签到(有效发言满 {MESSAGE_MIN_LENGTH} 字)获得 <b>{MESSAGE_POINTS}</b> 积分，"
diff --git a/tests/test_bot_basic_handler.py b/tests/test_bot_basic_handler.py
index 10d88b2e..ffc42f26 100644
--- a/tests/test_bot_basic_handler.py
+++ b/tests/test_bot_basic_handler.py
@@ -25,7 +25,7 @@ def _message(text: str):
     return SimpleNamespace(
         text=text,
         from_user=SimpleNamespace(id=1, username="u", first_name="U"),
-        chat=SimpleNamespace(id=100),
+        chat=SimpleNamespace(id=100, type="private"),
     )
 
 
@@ -83,3 +83,30 @@ def test_basic_handler_markets_returns_summary(monkeypatch):
 
     assert len(bot.replies) == 1
     assert bot.replies[0]["text"] == "MARKET DIGEST"
+
+
+def test_basic_handler_markets_rejects_channel_chat():
+    bot = DummyBot()
+    io_layer = SimpleNamespace(
+        build_welcome_text=lambda: "WELCOME",
+        build_points_rank_text=lambda _user: "TOP",
+    )
+    handler = BasicCommandHandler(
+        bot=bot,
+        io_layer=io_layer,
+        runtime_status_provider=lambda: RuntimeStatus(
+            started_at="2026-03-12 00:00:00 UTC",
+            loops=[],
+            command_access_mode="group_member",
+            protected_commands=["/city", "/deb"],
+            required_group_chat_id="-1001234567890",
+        ),
+        config={},
+    )
+
+    msg = _message("/markets")
+    msg.chat = SimpleNamespace(id=-1001, type="channel")
+    handler.handle_markets(msg)
+
+    assert len(bot.replies) == 1
+    assert "仅支持私聊机器人查询" in bot.replies[0]["text"]