diff --git a/job_bitmart.py b/job_bitmart.py
index 471a539..346be4a 100644
--- a/job_bitmart.py
+++ b/job_bitmart.py
@@ -574,6 +574,12 @@ class BBDelayReversalTrader:
                             self.click_safe('x://button[normalize-space(text()) ="开仓"]')
                             time.sleep(0.5)
                             self.click_safe('x://button[normalize-space(text()) ="市价"]')
+                            # -> 新增: 输入开仓金额
+                            order_usdt = self.calc_order_usdt()
+                            if order_usdt > 0:
+                                self.page.ele('x://*[@id="size_0"]').input(vals=order_usdt, clear=True)
+                                time.sleep(0.5)
+                            
                             self.click_safe('x://span[normalize-space(text()) ="卖出/做空"]')
                             time.sleep(3)
                             self.get_position_status()
@@ -618,6 +624,12 @@ class BBDelayReversalTrader:
                             self.click_safe('x://button[normalize-space(text()) ="开仓"]')
                             time.sleep(0.5)
                             self.click_safe('x://button[normalize-space(text()) ="市价"]')
+                            # -> 新增: 输入开仓金额
+                            order_usdt = self.calc_order_usdt()
+                            if order_usdt > 0:
+                                self.page.ele('x://*[@id="size_0"]').input(vals=order_usdt, clear=True)
+                                time.sleep(0.5)
+
                             self.click_safe('x://span[normalize-space(text()) ="买入/做多"]')
                             time.sleep(3)
                             self.get_position_status()
@@ -673,6 +685,10 @@ class BBDelayReversalTrader:
                         self.click_safe('x://button[normalize-space(text()) ="开仓"]')
                         time.sleep(0.5)
                         self.click_safe('x://button[normalize-space(text()) ="市价"]')
+                        order_usdt = self.calc_order_usdt()
+                        if order_usdt > 0:
+                            self.page.ele('x://*[@id="size_0"]').input(vals=order_usdt, clear=True)
+                            time.sleep(0.5)
                         self.click_safe('x://span[normalize-space(text()) ="卖出/做空"]')
                         time.sleep(3)
                         if self.verify_position(-1):
@@ -683,6 +699,10 @@ class BBDelayReversalTrader:
                         self.click_safe('x://button[normalize-space(text()) ="开仓"]')
                         time.sleep(0.5)
                         self.click_safe('x://button[normalize-space(text()) ="市价"]')
+                        order_usdt = self.calc_order_usdt()
+                        if order_usdt > 0:
+                            self.page.ele('x://*[@id="size_0"]').input(vals=order_usdt, clear=True)
+                            time.sleep(0.5)
                         self.click_safe('x://span[normalize-space(text()) ="卖出/做空"]')
                         time.sleep(3)
                         if self.verify_position(-1):
@@ -733,6 +753,10 @@ class BBDelayReversalTrader:
                         self.click_safe('x://button[normalize-space(text()) ="开仓"]')
                         time.sleep(0.5)
                         self.click_safe('x://button[normalize-space(text()) ="市价"]')
+                        order_usdt = self.calc_order_usdt()
+                        if order_usdt > 0:
+                            self.page.ele('x://*[@id="size_0"]').input(vals=order_usdt, clear=True)
+                            time.sleep(0.5)
                         self.click_safe('x://span[normalize-space(text()) ="买入/做多"]')
                         time.sleep(3)
                         if self.verify_position(1):
@@ -743,6 +767,10 @@ class BBDelayReversalTrader:
                         self.click_safe('x://button[normalize-space(text()) ="开仓"]')
                         time.sleep(0.5)
                         self.click_safe('x://button[normalize-space(text()) ="市价"]')
+                        order_usdt = self.calc_order_usdt()
+                        if order_usdt > 0:
+                            self.page.ele('x://*[@id="size_0"]').input(vals=order_usdt, clear=True)
+                            time.sleep(0.5)
                         self.click_safe('x://span[normalize-space(text()) ="买入/做多"]')
                         time.sleep(3)
                         if self.verify_position(1):