diff --git a/API使用指南.md b/API使用指南.md
index 8b3b8e6..0bb0a0f 100644
--- a/API使用指南.md
+++ b/API使用指南.md
@@ -97,7 +97,7 @@ def get_tick(symbol):
     data = api(f"/symbols/{symbol}/tick")["data"][0]
     return data["bid"], data["ask"]
 
-bid, ask = get_tick("XAUUSDc")
+bid, ask = get_tick("XAUUSD")
 print(f"XAUUSD  Bid: {bid}  Ask: {ask}  Spread: {ask - bid}")
 ```
 
@@ -160,7 +160,7 @@ def get_rates(symbol, timeframe, count):
     return df
 
 # 获取最近 100 根 H1 K 线
-df = get_rates("XAUUSDc", "H1", 100)
+df = get_rates("XAUUSD", "H1", 100)
 print(df.head())
 ```
 
@@ -236,7 +236,7 @@ def check_order(symbol, volume, order_type, price, sl=None, tp=None, magic=0, co
         print("❌ 不可下单")
     return result
 
-check_order("XAUUSDc", 0.01, 0, 4180.0, sl=4170.0, tp=4190.0)
+check_order("XAUUSD", 0.01, 0, 4180.0, sl=4170.0, tp=4190.0)
 ```
 
 ---
@@ -269,7 +269,7 @@ def send_order(symbol, volume, order_type, price, sl=None, tp=None, magic=0, com
     return result
 
 # 市价买入 0.01 手 XAUUSD
-result = send_order("XAUUSDc", 0.01, 0, 4180.0, sl=4170.0, tp=4190.0)
+result = send_order("XAUUSD", 0.01, 0, 4180.0, sl=4170.0, tp=4190.0)
 ```
 
 **order_type 说明：**
@@ -295,7 +295,7 @@ GET /history/deals?date_from={from}&date_to={to}&symbol={symbol}
 deals = api("/history/deals", params={
     "date_from": "2026-07-01",
     "date_to": "2026-07-03",
-    "symbol": "XAUUSDc"
+    "symbol": "XAUUSD"
 })["data"]
 
 for d in deals:
@@ -324,7 +324,7 @@ GET /gvar
 ```python
 gvars = api("/gvar")
 print(gvars)
-# {"data": [{"name": "AT_Trend_XAUUSDc", "value": 1}, ...], "count": 5}
+# {"data": [{"name": "AT_Trend_XAUUSD", "value": 1}, ...], "count": 5}
 ```
 
 #### 读取指定变量
@@ -334,7 +334,7 @@ GET /gvar/{name}
 ```
 
 ```python
-trend = api("/gvar/AT_Trend_XAUUSDc")["value"]
+trend = api("/gvar/AT_Trend_XAUUSD")["value"]
 print(f"趋势方向: {'多头' if trend == 1 else '空头'}")
 ```
 
@@ -390,8 +390,8 @@ print(f"指标信号: {signal}")
 如果你仍在使用旧版 `Alpha Trend.ex5`，则读取方式应继续对应旧键名，例如：
 
 ```python
-trend = api("/gvar/AT_Trend_XAUUSDc")["value"]
-buy_signal = api("/gvar/AT_Buy_XAUUSDc")["value"]
+trend = api("/gvar/AT_Trend_XAUUSD")["value"]
+buy_signal = api("/gvar/AT_Buy_XAUUSD")["value"]
 ```
 
 ### 第三步：根据信号做决策
@@ -402,8 +402,8 @@ def on_tick():
     if signal != 1:
         return  # 没信号，不动
 
-    if not bridge.has_position("XAUUSDc"):
-        bid, ask = bridge.tick("XAUUSDc")
+    if not bridge.has_position("XAUUSD"):
+        bid, ask = bridge.tick("XAUUSD")
         bridge.buy("XAUUSDc", 0.01, ask, sl=ask - 50, tp=ask + 100)
         print("指标发出买入信号，已开多")
 ```