diff --git a/docker-compose.yml b/docker-compose.yml
index bea327b..640cf69 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -19,10 +19,10 @@ services:
       # Signal generation interval
       - SIGNAL_INTERVAL_MINUTES=15  # 每15分钟生成一次信号
 
-      # Volatility trigger - 波动率触发
-      - ENABLE_VOLATILITY_TRIGGER=true
-      - VOLATILITY_THRESHOLD=1.0        # 1% 阈值 (原0.5%太敏感)
-      - VOLATILITY_COOLDOWN_MINUTES=5   # 5分钟冷却 (原3分钟太短)
+      # Volatility trigger - 波动率触发 (已禁用，只使用定时分析)
+      - ENABLE_VOLATILITY_TRIGGER=false
+      # - VOLATILITY_THRESHOLD=1.0
+      # - VOLATILITY_COOLDOWN_MINUTES=5
 
       # Note: LLM API and DingTalk configs are loaded from .env file
 
diff --git a/trading/paper_trading.py b/trading/paper_trading.py
index a8408ad..da7afbb 100644
--- a/trading/paper_trading.py
+++ b/trading/paper_trading.py
@@ -41,7 +41,7 @@ TIMEFRAME_CONFIG = {
         'initial_balance': 10000.0,
         'signal_expiry_minutes': 5,      # 信号有效期5分钟
         'min_risk_reward_ratio': 1.5,    # 最小风险回报比
-        'base_price_deviation': 0.003,   # 基础价格偏差 0.3%
+        'base_price_deviation': 0.005,   # 基础价格偏差 0.5% (原0.3%太严格)
         'atr_deviation_multiplier': 0.5, # ATR偏差系数
     },
     TimeFrame.MEDIUM: {
@@ -50,10 +50,10 @@ TIMEFRAME_CONFIG = {
         'signal_keys': ['medium_term_4h_1d', 'swing'],
         'leverage': 10,
         'initial_balance': 10000.0,
-        'signal_expiry_minutes': 30,     # 信号有效期30分钟
+        'signal_expiry_minutes': 60,     # 信号有效期1小时 (原30分钟太短)
         'min_risk_reward_ratio': 1.5,
-        'base_price_deviation': 0.005,   # 基础价格偏差 0.5%
-        'atr_deviation_multiplier': 0.8,
+        'base_price_deviation': 0.01,    # 基础价格偏差 1% (原0.5%太严格，中期波动更大)
+        'atr_deviation_multiplier': 1.0, # ATR偏差系数增加
     },
     TimeFrame.LONG: {
         'name': '长周期',
@@ -61,10 +61,10 @@ TIMEFRAME_CONFIG = {
         'signal_keys': ['long_term_1d_1w'],
         'leverage': 10,
         'initial_balance': 10000.0,
-        'signal_expiry_minutes': 120,    # 信号有效期2小时
+        'signal_expiry_minutes': 240,    # 信号有效期4小时 (原2小时)
         'min_risk_reward_ratio': 2.0,    # 长周期要求更高回报比
-        'base_price_deviation': 0.01,    # 基础价格偏差 1%
-        'atr_deviation_multiplier': 1.0,
+        'base_price_deviation': 0.02,    # 基础价格偏差 2% (原1%，长周期波动更大)
+        'atr_deviation_multiplier': 1.5,
     },
 }