a

backend/database/connection.py

@@ -68,6 +68,10 @@ class Database:
                 cursorclass=pymysql.cursors.DictCursor,
                 autocommit=False
             )
+            # 设置时区为北京时间（UTC+8）
+            with conn.cursor() as cursor:
+                cursor.execute("SET time_zone = '+08:00'")
+            conn.commit()
             yield conn
         except Exception as e:
             if conn:

backend/database/models.py

@@ -2,10 +2,17 @@
 数据库模型定义
 """
 from database.connection import db
-from datetime import datetime
+from datetime import datetime, timezone, timedelta
 import json
 import logging
 
+# 北京时间时区（UTC+8）
+BEIJING_TZ = timezone(timedelta(hours=8))
+
+def get_beijing_time():
+    """获取当前北京时间（UTC+8）"""
+    return datetime.now(BEIJING_TZ).replace(tzinfo=None)
+
 logger = logging.getLogger(__name__)
 
 
@@ -82,24 +89,26 @@ class Trade:
     
     @staticmethod
     def create(symbol, side, quantity, entry_price, leverage=10, entry_reason=None):
-        """创建交易记录"""
+        """创建交易记录（使用北京时间）"""
+        entry_time = get_beijing_time()
         db.execute_update(
             """INSERT INTO trades 
-               (symbol, side, quantity, entry_price, leverage, entry_reason, status)
+               (symbol, side, quantity, entry_price, leverage, entry_reason, status, entry_time)
-               VALUES (%s, %s, %s, %s, %s, %s, 'open')""",
+               VALUES (%s, %s, %s, %s, %s, %s, 'open', %s)""",
-            (symbol, side, quantity, entry_price, leverage, entry_reason)
+            (symbol, side, quantity, entry_price, leverage, entry_reason, entry_time)
         )
         return db.execute_one("SELECT LAST_INSERT_ID() as id")['id']
     
     @staticmethod
     def update_exit(trade_id, exit_price, exit_reason, pnl, pnl_percent):
-        """更新平仓信息"""
+        """更新平仓信息（使用北京时间）"""
+        exit_time = get_beijing_time()
         db.execute_update(
             """UPDATE trades 
-               SET exit_price = %s, exit_time = CURRENT_TIMESTAMP, 
+               SET exit_price = %s, exit_time = %s, 
                    exit_reason = %s, pnl = %s, pnl_percent = %s, status = 'closed'
                WHERE id = %s""",
-            (exit_price, exit_reason, pnl, pnl_percent, trade_id)
+            (exit_price, exit_time, exit_reason, pnl, pnl_percent, trade_id)
         )
     
     @staticmethod
@@ -138,12 +147,13 @@ class AccountSnapshot:
     
     @staticmethod
     def create(total_balance, available_balance, total_position_value, total_pnl, open_positions):
-        """创建账户快照"""
+        """创建账户快照（使用北京时间）"""
+        snapshot_time = get_beijing_time()
         db.execute_update(
             """INSERT INTO account_snapshots 
-               (total_balance, available_balance, total_position_value, total_pnl, open_positions)
+               (total_balance, available_balance, total_position_value, total_pnl, open_positions, snapshot_time)
-               VALUES (%s, %s, %s, %s, %s)""",
+               VALUES (%s, %s, %s, %s, %s, %s)""",
-            (total_balance, available_balance, total_position_value, total_pnl, open_positions)
+            (total_balance, available_balance, total_position_value, total_pnl, open_positions, snapshot_time)
         )
     
     @staticmethod
@@ -162,12 +172,13 @@ class MarketScan:
     
     @staticmethod
     def create(symbols_scanned, symbols_found, top_symbols, scan_duration):
-        """创建扫描记录"""
+        """创建扫描记录（使用北京时间）"""
+        scan_time = get_beijing_time()
         db.execute_update(
             """INSERT INTO market_scans 
-               (symbols_scanned, symbols_found, top_symbols, scan_duration)
+               (symbols_scanned, symbols_found, top_symbols, scan_duration, scan_time)
-               VALUES (%s, %s, %s, %s)""",
+               VALUES (%s, %s, %s, %s, %s)""",
-            (symbols_scanned, symbols_found, json.dumps(top_symbols), scan_duration)
+            (symbols_scanned, symbols_found, json.dumps(top_symbols), scan_duration, scan_time)
         )
     
     @staticmethod
@@ -185,14 +196,15 @@ class TradingSignal:
     @staticmethod
     def create(symbol, signal_direction, signal_strength, signal_reason, 
                rsi=None, macd_histogram=None, market_regime=None):
-        """创建交易信号"""
+        """创建交易信号（使用北京时间）"""
+        signal_time = get_beijing_time()
         db.execute_update(
             """INSERT INTO trading_signals 
                (symbol, signal_direction, signal_strength, signal_reason, 
-                rsi, macd_histogram, market_regime)
+                rsi, macd_histogram, market_regime, signal_time)
-               VALUES (%s, %s, %s, %s, %s, %s, %s)""",
+               VALUES (%s, %s, %s, %s, %s, %s, %s, %s)""",
             (symbol, signal_direction, signal_strength, signal_reason, 
-             rsi, macd_histogram, market_regime)
+             rsi, macd_histogram, market_regime, signal_time)
         )
     
     @staticmethod