diff --git a/bitmart/四分之一，五分钟，反手条件充足.py b/bitmart/四分之一，五分钟，反手条件充足.py
index 4ffac36..6723d21 100644
--- a/bitmart/四分之一，五分钟，反手条件充足.py
+++ b/bitmart/四分之一，五分钟，反手条件充足.py
@@ -128,11 +128,17 @@ class BitmartFuturesTransaction:
                     self.start = 0
                     self.open_avg_price = None
                     self.current_amount = None
+                    self.unrealized_pnl = None
                     return True
-                self.start = 1 if positions[0]['position_type'] == 1 else -1
-                self.open_avg_price = float(positions[0]['open_avg_price'])
-                self.current_amount = float(positions[0]['current_amount'])
-                self.position_cross = positions[0]["position_cross"]
+                pos = positions[0]
+                self.start = 1 if pos['position_type'] == 1 else -1
+                self.open_avg_price = float(pos['open_avg_price'])
+                self.current_amount = float(pos['current_amount'])
+                self.position_cross = pos["position_cross"]
+                # 直接从API获取未实现盈亏（Bitmart返回的是 unrealized_value 字段）
+                self.unrealized_pnl = float(pos.get('unrealized_value', 0))
+                logger.debug(f"持仓详情: 方向={self.start}, 开仓均价={self.open_avg_price}, "
+                             f"持仓量={self.current_amount}, 未实现盈亏={self.unrealized_pnl:.2f}")
                 return True
             else:
                 return False
@@ -140,18 +146,13 @@ class BitmartFuturesTransaction:
             logger.error(f"持仓查询异常: {e}")
             return False
 
-    def get_unrealized_pnl_usd(self, current_price):
+    def get_unrealized_pnl_usd(self):
         """
-        计算当前持仓未实现盈亏（美元）
-        多仓: (当前价 - 开仓均价) * 持仓量(ETH) = USDT
-        空仓: (开仓均价 - 当前价) * 持仓量(ETH) = USDT
+        获取当前持仓未实现盈亏（美元），直接使用API返回值
         """
-        if self.start == 0 or self.open_avg_price is None or self.current_amount is None:
+        if self.start == 0 or self.unrealized_pnl is None:
             return None
-        if self.start == 1:  # 多
-            return (current_price - self.open_avg_price) * self.current_amount
-        else:  # 空
-            return (self.open_avg_price - current_price) * self.current_amount
+        return self.unrealized_pnl
 
     def set_leverage(self):
         """程序启动时设置全仓 + 高杠杆"""
@@ -575,7 +576,7 @@ class BitmartFuturesTransaction:
 
                 # 3.5 止盈：仓位盈利达到 take_profit_usd 则平仓，下一轮循环再根据K线信号开仓
                 if self.start != 0:
-                    pnl_usd = self.get_unrealized_pnl_usd(current_price)
+                    pnl_usd = self.get_unrealized_pnl_usd()
                     if pnl_usd is not None and pnl_usd >= self.take_profit_usd:
                         logger.info(f"仓位盈利 {pnl_usd:.2f} 美元 >= {self.take_profit_usd} 美元，执行止盈平仓")
                         self.平仓()