diff --git a/api/server.go b/api/server.go
index be99565d..dce35be6 100644
--- a/api/server.go
+++ b/api/server.go
@@ -210,6 +210,7 @@ type CreateTraderRequest struct {
 	AIModelID            string  `json:"ai_model_id" binding:"required"`
 	ExchangeID           string  `json:"exchange_id" binding:"required"`
 	InitialBalance       float64 `json:"initial_balance"`
+	ScanIntervalMinutes  int     `json:"scan_interval_minutes"`
 	BTCETHLeverage       int     `json:"btc_eth_leverage"`
 	AltcoinLeverage      int     `json:"altcoin_leverage"`
 	TradingSymbols       string  `json:"trading_symbols"`
@@ -332,6 +333,12 @@ func (s *Server) handleCreateTrader(c *gin.Context) {
 		systemPromptTemplate = req.SystemPromptTemplate
 	}
 
+	// 设置扫描间隔默认值
+	scanIntervalMinutes := req.ScanIntervalMinutes
+	if scanIntervalMinutes <= 0 {
+		scanIntervalMinutes = 3 // 默认3分钟
+	}
+
 	// ✨ 查询交易所实际余额，覆盖用户输入
 	actualBalance := req.InitialBalance // 默认使用用户输入
 	exchanges, err := s.database.GetExchanges(userID)
@@ -416,7 +423,7 @@ func (s *Server) handleCreateTrader(c *gin.Context) {
 		OverrideBasePrompt:   req.OverrideBasePrompt,
 		SystemPromptTemplate: systemPromptTemplate,
 		IsCrossMargin:        isCrossMargin,
-		ScanIntervalMinutes:  3, // 默认3分钟
+		ScanIntervalMinutes:  scanIntervalMinutes,
 		IsRunning:            false,
 	}
 
@@ -456,6 +463,7 @@ type UpdateTraderRequest struct {
 	CustomPrompt       string  `json:"custom_prompt"`
 	OverrideBasePrompt bool    `json:"override_base_prompt"`
 	IsCrossMargin      *bool   `json:"is_cross_margin"`
+	ScanIntervalMinutes int     `json:"scan_interval_minutes"`
 }
 
 // handleUpdateTrader 更新交易员配置
@@ -505,6 +513,12 @@ func (s *Server) handleUpdateTrader(c *gin.Context) {
 		altcoinLeverage = existingTrader.AltcoinLeverage // 保持原值
 	}
 
+	// 设置扫描间隔，允许更新
+	scanIntervalMinutes := req.ScanIntervalMinutes
+	if scanIntervalMinutes <= 0 {
+		scanIntervalMinutes = existingTrader.ScanIntervalMinutes // 保持原值
+	}
+
 	// 更新交易员配置
 	trader := &config.TraderRecord{
 		ID:                  traderID,
@@ -513,14 +527,14 @@ func (s *Server) handleUpdateTrader(c *gin.Context) {
 		AIModelID:           req.AIModelID,
 		ExchangeID:          req.ExchangeID,
 		InitialBalance:      req.InitialBalance,
-		BTCETHLeverage:      btcEthLeverage,
 		AltcoinLeverage:     altcoinLeverage,
-		TradingSymbols:      req.TradingSymbols,
-		CustomPrompt:        req.CustomPrompt,
-		OverrideBasePrompt:  req.OverrideBasePrompt,
-		IsCrossMargin:       isCrossMargin,
-		ScanIntervalMinutes: existingTrader.ScanIntervalMinutes, // 保持原值
-		IsRunning:           existingTrader.IsRunning,           // 保持原值
+		TradingSymbols:       req.TradingSymbols,
+		CustomPrompt:         req.CustomPrompt,
+		OverrideBasePrompt:   req.OverrideBasePrompt,
+		SystemPromptTemplate: existingTrader.SystemPromptTemplate, // 保持原值
+		IsCrossMargin:        isCrossMargin,
+		ScanIntervalMinutes:  scanIntervalMinutes,
+		IsRunning:            existingTrader.IsRunning, // 保持原值
 	}
 
 	// 更新数据库
@@ -868,12 +882,12 @@ func (s *Server) handleGetTraderConfig(c *gin.Context) {
 		"ai_model":               traderConfig.AIModelID, // 使用完整 ID
 		"exchange_id":            traderConfig.ExchangeID,
 		"initial_balance":        traderConfig.InitialBalance,
+		"scan_interval_minutes":  traderConfig.ScanIntervalMinutes,
 		"btc_eth_leverage":       traderConfig.BTCETHLeverage,
 		"altcoin_leverage":       traderConfig.AltcoinLeverage,
 		"trading_symbols":        traderConfig.TradingSymbols,
 		"custom_prompt":          traderConfig.CustomPrompt,
 		"override_base_prompt":   traderConfig.OverrideBasePrompt,
-		"system_prompt_template": traderConfig.SystemPromptTemplate, // 添加此字段
 		"is_cross_margin":        traderConfig.IsCrossMargin,
 		"use_coin_pool":          traderConfig.UseCoinPool,
 		"use_oi_top":             traderConfig.UseOITop,
diff --git a/web/src/components/AITradersPage.tsx b/web/src/components/AITradersPage.tsx
index 70d50508..e3ed14de 100644
--- a/web/src/components/AITradersPage.tsx
+++ b/web/src/components/AITradersPage.tsx
@@ -207,6 +207,7 @@ export function AITradersPage({ onTraderSelect }: AITradersPageProps) {
         ai_model_id: ai_model_id,  // 使用修正后的值
         exchange_id: exchange_id,  // 使用修正后的值
         initial_balance: data.initial_balance,
+        scan_interval_minutes: data.scan_interval_minutes,
         btc_eth_leverage: data.btc_eth_leverage,
         altcoin_leverage: data.altcoin_leverage,
         trading_symbols: data.trading_symbols,
diff --git a/web/src/components/TraderConfigModal.tsx b/web/src/components/TraderConfigModal.tsx
index 2875ac6b..e6a0bd71 100644
--- a/web/src/components/TraderConfigModal.tsx
+++ b/web/src/components/TraderConfigModal.tsx
@@ -26,6 +26,7 @@ interface TraderConfigData {
   use_coin_pool: boolean;
   use_oi_top: boolean;
   initial_balance: number;
+  scan_interval_minutes: number;
 }
 
 interface TraderConfigModalProps {
@@ -61,6 +62,7 @@ export function TraderConfigModal({
     use_coin_pool: false,
     use_oi_top: false,
     initial_balance: 1000,
+    scan_interval_minutes: 3,
   });
   const [isSaving, setIsSaving] = useState(false);
   const [availableCoins, setAvailableCoins] = useState<string[]>([]);
@@ -91,6 +93,7 @@ export function TraderConfigModal({
         use_coin_pool: false,
         use_oi_top: false,
         initial_balance: 1000,
+        scan_interval_minutes: 3,
       });
     }
     // 确保旧数据也有默认的 system_prompt_template
@@ -185,6 +188,7 @@ export function TraderConfigModal({
         use_coin_pool: formData.use_coin_pool,
         use_oi_top: formData.use_oi_top,
         initial_balance: formData.initial_balance,
+        scan_interval_minutes: formData.scan_interval_minutes,
       };
       await onSave(saveData);
       onClose();
@@ -323,7 +327,25 @@ export function TraderConfigModal({
                 </div>
               </div>
 
-              {/* 第二行：杠杆设置 */}
+              {/* 第二行：AI 扫描决策间隔 */}
+              <div className="grid grid-cols-2 gap-4">
+                <div>
+                  <label className="text-sm text-[#EAECEF] block mb-2">AI 扫描决策间隔 (分钟)</label>
+                  <input
+                    type="number"
+                    value={formData.scan_interval_minutes}
+                    onChange={(e) => handleInputChange('scan_interval_minutes', Number(e.target.value))}
+                    className="w-full px-3 py-2 bg-[#0B0E11] border border-[#2B3139] rounded text-[#EAECEF] focus:border-[#F0B90B] focus:outline-none"
+                    min="1"
+                    max="60"
+                    step="1"
+                  />
+                  <p className="text-xs text-gray-500 mt-1">建议: 3-10分钟</p>
+                </div>
+                <div></div>
+              </div>
+
+              {/* 第三行：杠杆设置 */}
               <div className="grid grid-cols-2 gap-4">
                 <div>
                   <label className="text-sm text-[#EAECEF] block mb-2">BTC/ETH 杠杆</label>
diff --git a/web/src/components/landing/CommunitySection.tsx b/web/src/components/landing/CommunitySection.tsx
index d8165497..0e52d926 100644
--- a/web/src/components/landing/CommunitySection.tsx
+++ b/web/src/components/landing/CommunitySection.tsx
@@ -2,12 +2,12 @@ import { motion } from 'framer-motion'
 import AnimatedSection from './AnimatedSection'
 
 interface CardProps {
-  quote: string
-  authorName: string
-  handle: string
-  avatarUrl: string
-  tweetUrl: string
-  delay: number
+  quote: string;
+  authorName: string;
+  handle: string;
+  avatarUrl: string;
+  tweetUrl: string;
+  delay: number;
 }
 
 function TestimonialCard({ quote, authorName, delay }: CardProps) {
diff --git a/web/src/types.ts b/web/src/types.ts
index bcda735b..12682e17 100644
--- a/web/src/types.ts
+++ b/web/src/types.ts
@@ -125,6 +125,7 @@ export interface CreateTraderRequest {
   ai_model_id: string;
   exchange_id: string;
   initial_balance: number;
+  scan_interval_minutes?: number;
   btc_eth_leverage?: number;
   altcoin_leverage?: number;
   trading_symbols?: string;
@@ -199,5 +200,6 @@ export interface TraderConfigData {
   use_coin_pool: boolean;
   use_oi_top: boolean;
   initial_balance: number;
+  scan_interval_minutes: number;
   is_running: boolean;
 }