fix(grid): add isRunning checks to prevent trades after Stop() is called

- Make panel collapsible with summary badges when collapsed
- Use compact 2-column grid layout for detailed info
- Fix auth token key (token -> auth_token)
- Only calculate liquidation distance when position exists

README.md

@@ -488,26 +488,6 @@ All contributions are tracked on GitHub. When NOFX generates revenue, contributo
 
 ---
 
-## Sponsors
-
-Thanks to all our sponsors!
-
-<a href="https://github.com/pjl914335852-ux"><img src="https://github.com/pjl914335852-ux.png" width="60" height="60" style="border-radius:50%" alt="pjl914335852-ux" /></a>
-<a href="https://github.com/cat9999aaa"><img src="https://github.com/cat9999aaa.png" width="60" height="60" style="border-radius:50%" alt="cat9999aaa" /></a>
-<a href="https://github.com/1733055465"><img src="https://github.com/1733055465.png" width="60" height="60" style="border-radius:50%" alt="1733055465" /></a>
-<a href="https://github.com/kolal2020"><img src="https://github.com/kolal2020.png" width="60" height="60" style="border-radius:50%" alt="kolal2020" /></a>
-<a href="https://github.com/CyberFFarm"><img src="https://github.com/CyberFFarm.png" width="60" height="60" style="border-radius:50%" alt="CyberFFarm" /></a>
-<a href="https://github.com/vip3001003"><img src="https://github.com/vip3001003.png" width="60" height="60" style="border-radius:50%" alt="vip3001003" /></a>
-<a href="https://github.com/mrtluh"><img src="https://github.com/mrtluh.png" width="60" height="60" style="border-radius:50%" alt="mrtluh" /></a>
-<a href="https://github.com/cpcp1117-source"><img src="https://github.com/cpcp1117-source.png" width="60" height="60" style="border-radius:50%" alt="cpcp1117-source" /></a>
-<a href="https://github.com/match-007"><img src="https://github.com/match-007.png" width="60" height="60" style="border-radius:50%" alt="match-007" /></a>
-<a href="https://github.com/leiwuhen1715"><img src="https://github.com/leiwuhen1715.png" width="60" height="60" style="border-radius:50%" alt="leiwuhen1715" /></a>
-<a href="https://github.com/SHAOXIA1991"><img src="https://github.com/SHAOXIA1991.png" width="60" height="60" style="border-radius:50%" alt="SHAOXIA1991" /></a>
-
-[Become a sponsor](https://github.com/sponsors/NoFxAiOS)
-
----
-
 ## Star History
 
 [![Star History Chart](https://api.star-history.com/svg?repos=NoFxAiOS/nofx&type=Date)](https://star-history.com/#NoFxAiOS/nofx&Date)

kernel/engine.go

@@ -447,7 +447,6 @@ func (e *StrategyEngine) GetCandidateCoins() ([]CandidateCoin, error) {
 		if err != nil {
 			return nil, err
 		}
-		// 空列表是正常情况，直接返回
 		return e.filterExcludedCoins(coins), nil
 
 	case "oi_top":
@@ -467,27 +466,6 @@ func (e *StrategyEngine) GetCandidateCoins() ([]CandidateCoin, error) {
 		if err != nil {
 			return nil, err
 		}
-		// 空列表是正常情况，直接返回
-		return e.filterExcludedCoins(coins), nil
-
-	case "oi_low":
-		// 持仓减少榜，适合做空
-		if !coinSource.UseOILow {
-			logger.Infof("⚠️  source_type is 'oi_low' but use_oi_low is false, falling back to static coins")
-			for _, symbol := range coinSource.StaticCoins {
-				symbol = market.Normalize(symbol)
-				candidates = append(candidates, CandidateCoin{
-					Symbol:  symbol,
-					Sources: []string{"static"},
-				})
-			}
-			return e.filterExcludedCoins(candidates), nil
-		}
-		coins, err := e.getOILowCoins(coinSource.OILowLimit)
-		if err != nil {
-			return nil, err
-		}
-		// 空列表是正常情况，直接返回
 		return e.filterExcludedCoins(coins), nil
 
 	case "mixed":
@@ -513,17 +491,6 @@ func (e *StrategyEngine) GetCandidateCoins() ([]CandidateCoin, error) {
 			}
 		}
 
-		if coinSource.UseOILow {
-			oiLowCoins, err := e.getOILowCoins(coinSource.OILowLimit)
-			if err != nil {
-				logger.Infof("⚠️  Failed to get OI Low: %v", err)
-			} else {
-				for _, coin := range oiLowCoins {
-					symbolSources[coin.Symbol] = append(symbolSources[coin.Symbol], "oi_low")
-				}
-			}
-		}
-
 		for _, symbol := range coinSource.StaticCoins {
 			symbol = market.Normalize(symbol)
 			if _, exists := symbolSources[symbol]; !exists {
@@ -594,7 +561,7 @@ func (e *StrategyEngine) getAI500Coins(limit int) ([]CandidateCoin, error) {
 
 func (e *StrategyEngine) getOITopCoins(limit int) ([]CandidateCoin, error) {
 	if limit <= 0 {
-		limit = 10
+		limit = 20
 	}
 
 	positions, err := e.nofxosClient.GetOITopPositions()
@@ -616,30 +583,6 @@ func (e *StrategyEngine) getOITopCoins(limit int) ([]CandidateCoin, error) {
 	return candidates, nil
 }
 
-func (e *StrategyEngine) getOILowCoins(limit int) ([]CandidateCoin, error) {
-	if limit <= 0 {
-		limit = 10
-	}
-
-	positions, err := e.nofxosClient.GetOILowPositions()
-	if err != nil {
-		return nil, err
-	}
-
-	var candidates []CandidateCoin
-	for i, pos := range positions {
-		if i >= limit {
-			break
-		}
-		symbol := market.Normalize(pos.Symbol)
-		candidates = append(candidates, CandidateCoin{
-			Symbol:  symbol,
-			Sources: []string{"oi_low"},
-		})
-	}
-	return candidates, nil
-}
-
 // ============================================================================
 // External & Quant Data
 // ============================================================================
@@ -1346,38 +1289,13 @@ func (e *StrategyEngine) formatPositionInfo(index int, pos PositionInfo, ctx *Co
 
 func (e *StrategyEngine) formatCoinSourceTag(sources []string) string {
 	if len(sources) > 1 {
-		// 多信号源组合
-		hasAI500 := false
-		hasOITop := false
-		hasOILow := false
-		for _, s := range sources {
-			switch s {
-			case "ai500":
-				hasAI500 = true
-			case "oi_top":
-				hasOITop = true
-			case "oi_low":
-				hasOILow = true
-			}
-		}
-		if hasAI500 && hasOITop {
-			return " (AI500+OI_Top dual signal)"
-		}
-		if hasAI500 && hasOILow {
-			return " (AI500+OI_Low dual signal)"
-		}
-		if hasOITop && hasOILow {
-			return " (OI_Top+OI_Low)"
-		}
-		return " (Multiple sources)"
+		return " (AI500+OI_Top dual signal)"
 	} else if len(sources) == 1 {
 		switch sources[0] {
 		case "ai500":
 			return " (AI500)"
 		case "oi_top":
-			return " (OI_Top 持仓增加)"
-		case "oi_low":
-			return " (OI_Low 持仓减少)"
+			return " (OI_Top position growth)"
 		case "static":
 			return " (Manual selection)"
 		}
@@ -1849,8 +1767,8 @@ func compactArrayOpen(s string) string {
 // ============================================================================
 
 func validateDecisions(decisions []Decision, accountEquity float64, btcEthLeverage, altcoinLeverage int, btcEthPosRatio, altcoinPosRatio float64) error {
-	for i := range decisions {
-		if err := validateDecision(&decisions[i], accountEquity, btcEthLeverage, altcoinLeverage, btcEthPosRatio, altcoinPosRatio); err != nil {
+	for i, decision := range decisions {
+		if err := validateDecision(&decision, accountEquity, btcEthLeverage, altcoinLeverage, btcEthPosRatio, altcoinPosRatio); err != nil {
 			return fmt.Errorf("decision #%d validation failed: %w", i+1, err)
 		}
 	}

provider/nofxos/ai500.go

@@ -73,10 +73,8 @@ func (c *Client) fetchAI500() ([]CoinData, error) {
 		return nil, fmt.Errorf("API returned failure status")
 	}
 
-	// 空列表是正常情况，不是错误
 	if len(response.Data.Coins) == 0 {
-		log.Printf("ℹ️  AI500 returned empty coin list (no coins meet criteria currently)")
-		return []CoinData{}, nil
+		return nil, fmt.Errorf("coin list is empty")
 	}
 
 	// Set IsAvailable flag

provider/nofxos/oi.go

@@ -106,11 +106,11 @@ func (c *Client) fetchOIRanking(rankType, duration string, limit int) ([]OIPosit
 
 // GetOITopPositions retrieves top OI increase positions (legacy compatibility)
 func (c *Client) GetOITopPositions() ([]OIPosition, error) {
-	positions, _, err := c.fetchOIRanking("top", "1h", 20)
+	data, err := c.GetOIRanking("1h", 20)
 	if err != nil {
 		return nil, err
 	}
-	return positions, nil
+	return data.TopPositions, nil
 }
 
 // GetOITopSymbols retrieves OI top coin symbol list
@@ -129,31 +129,6 @@ func (c *Client) GetOITopSymbols() ([]string, error) {
 	return symbols, nil
 }
 
-// GetOILowPositions retrieves OI decrease positions (for short opportunities)
-func (c *Client) GetOILowPositions() ([]OIPosition, error) {
-	positions, _, err := c.fetchOIRanking("low", "1h", 20)
-	if err != nil {
-		return nil, err
-	}
-	return positions, nil
-}
-
-// GetOILowSymbols retrieves OI low coin symbol list
-func (c *Client) GetOILowSymbols() ([]string, error) {
-	positions, err := c.GetOILowPositions()
-	if err != nil {
-		return nil, err
-	}
-
-	var symbols []string
-	for _, pos := range positions {
-		symbol := NormalizeSymbol(pos.Symbol)
-		symbols = append(symbols, symbol)
-	}
-
-	return symbols, nil
-}
-
 // FormatOIRankingForAI formats OI ranking data for AI consumption
 func FormatOIRankingForAI(data *OIRankingData, lang Language) string {
 	if data == nil {

store/position.go

@@ -158,19 +158,16 @@ func (s *PositionStore) UpdatePositionQuantityAndPrice(id int64, addQty float64,
 	newEntryPrice := (pos.EntryPrice*pos.Quantity + addPrice*addQty) / newQty
 	newEntryPrice = math.Round(newEntryPrice*100) / 100
 	newFee := pos.Fee + addFee
-	nowMs := time.Now().UTC().UnixMilli()
 
 	return s.db.Model(&TraderPosition{}).Where("id = ?", id).Updates(map[string]interface{}{
 		"quantity":       newQty,
 		"entry_quantity": newEntryQty,
 		"entry_price":    newEntryPrice,
 		"fee":            newFee,
-		"updated_at":     nowMs,
 	}).Error
 }
 
 // ReducePositionQuantity reduces position quantity for partial close
-// If quantity reaches 0 (or near 0), automatically closes the position
 func (s *PositionStore) ReducePositionQuantity(id int64, reduceQty float64, exitPrice float64, addFee float64, addPnL float64) error {
 	var pos TraderPosition
 	if err := s.db.First(&pos, id).Error; err != nil {
@@ -190,40 +187,19 @@ func (s *PositionStore) ReducePositionQuantity(id int64, reduceQty float64, exit
 		newExitPrice = math.Round(newExitPrice*100) / 100
 	}
 
-	nowMs := time.Now().UTC().UnixMilli()
-
-	// Check if position should be fully closed (quantity reduced to ~0)
-	const QUANTITY_TOLERANCE = 0.0001
-	if newQty <= QUANTITY_TOLERANCE {
-		// Auto-close: set status to CLOSED
-		return s.db.Model(&TraderPosition{}).Where("id = ?", id).Updates(map[string]interface{}{
-			"quantity":     0,
-			"fee":          newFee,
-			"exit_price":   newExitPrice,
-			"realized_pnl": newPnL,
-			"status":       "CLOSED",
-			"exit_time":    nowMs,
-			"close_reason": "sync",
-			"updated_at":   nowMs,
-		}).Error
-	}
-
 	return s.db.Model(&TraderPosition{}).Where("id = ?", id).Updates(map[string]interface{}{
 		"quantity":     newQty,
 		"fee":          newFee,
 		"exit_price":   newExitPrice,
 		"realized_pnl": newPnL,
-		"updated_at":   nowMs,
 	}).Error
 }
 
 // UpdatePositionExchangeInfo updates exchange_id and exchange_type
 func (s *PositionStore) UpdatePositionExchangeInfo(id int64, exchangeID, exchangeType string) error {
-	nowMs := time.Now().UTC().UnixMilli()
 	return s.db.Model(&TraderPosition{}).Where("id = ?", id).Updates(map[string]interface{}{
 		"exchange_id":   exchangeID,
 		"exchange_type": exchangeType,
-		"updated_at":    nowMs,
 	}).Error
 }
 

store/strategy.go

@@ -97,7 +97,7 @@ type PromptSectionsConfig struct {
 
 // CoinSourceConfig coin source configuration
 type CoinSourceConfig struct {
-	// source type: "static" | "ai500" | "oi_top" | "oi_low" | "mixed"
+	// source type: "static" | "ai500" | "oi_top" | "mixed"
 	SourceType string `json:"source_type"`
 	// static coin list (used when source_type = "static")
 	StaticCoins []string `json:"static_coins,omitempty"`
@@ -107,14 +107,10 @@ type CoinSourceConfig struct {
 	UseAI500 bool `json:"use_ai500"`
 	// AI500 coin pool maximum count
 	AI500Limit int `json:"ai500_limit,omitempty"`
-	// whether to use OI Top (持仓增加榜，适合做多)
+	// whether to use OI Top
 	UseOITop bool `json:"use_oi_top"`
 	// OI Top maximum count
 	OITopLimit int `json:"oi_top_limit,omitempty"`
-	// whether to use OI Low (持仓减少榜，适合做空)
-	UseOILow bool `json:"use_oi_low"`
-	// OI Low maximum count
-	OILowLimit int `json:"oi_low_limit,omitempty"`
 	// Note: API URLs are now built automatically using NofxOSAPIKey from IndicatorConfig
 }
 
@@ -252,9 +248,7 @@ func GetDefaultStrategyConfig(lang string) StrategyConfig {
 			UseAI500:   true,
 			AI500Limit: 10,
 			UseOITop:   false,
-			OITopLimit: 10,
-			UseOILow:   false,
-			OILowLimit: 10,
+			OITopLimit: 20,
 		},
 		Indicators: IndicatorConfig{
 			Klines: KlineConfig{

trader/auto_trader.go

@@ -534,12 +534,6 @@ func (at *AutoTrader) runCycle() error {
 		return fmt.Errorf("failed to build trading context: %w", err)
 	}
 
-	// 如果没有候选币种，友好提示并跳过本周期
-	if len(ctx.CandidateCoins) == 0 {
-		logger.Infof("ℹ️  No candidate coins available, skipping this cycle")
-		return nil
-	}
-
 	// Save equity snapshot independently (decoupled from AI decision, used for drawing profit curve)
 	at.saveEquitySnapshot(ctx)
 

trader/binance_order_sync.go

@@ -56,8 +56,12 @@ func (t *FuturesTrader) SyncOrdersFromBinance(traderID string, exchangeID string
 		}
 	}
 
-	logger.Infof("🔄 Syncing Binance trades from: %s (UTC) [ms: %d, now: %d]",
-		time.UnixMilli(lastSyncTimeMs).UTC().Format("2006-01-02 15:04:05"), lastSyncTimeMs, nowMs)
+	// Record current time BEFORE querying, to avoid missing trades during sync
+	// This prevents race condition where trades happen between query and lastSyncTime update
+	syncStartTimeMs := nowMs
+
+	logger.Infof("🔄 Syncing Binance trades from: %s (UTC)",
+		time.UnixMilli(lastSyncTimeMs).UTC().Format("2006-01-02 15:04:05"))
 
 	// Step 1: Get max trade IDs from local DB for incremental sync
 	maxTradeIDs, err := orderStore.GetMaxTradeIDsByExchange(exchangeID)
@@ -96,17 +100,18 @@ func (t *FuturesTrader) SyncOrdersFromBinance(traderID string, exchangeID string
 		symbolMap[s] = true
 	}
 
-	// Method 4: ALWAYS query REALIZED_PNL income to find symbols with closed trades
+	// Method 4: FALLBACK - Query REALIZED_PNL income to find symbols with closed trades
 	// This catches trades that COMMISSION missed (VIP users, BNB fee discount)
-	// IMPORTANT: Must run always, not just when symbolMap is empty,
-	// because a position might be fully closed (no active position) but have PnL
-	pnlSymbols, err := t.GetPnLSymbols(lastSyncTime)
-	if err != nil {
-		logger.Infof("  ⚠️ Failed to get PnL symbols: %v", err)
-	} else {
-		logger.Infof("  📋 REALIZED_PNL symbols found: %d - %v", len(pnlSymbols), pnlSymbols)
-		for _, s := range pnlSymbols {
-			symbolMap[s] = true
+	if len(symbolMap) == 0 {
+		logger.Infof("  🔍 No symbols found, trying REALIZED_PNL fallback...")
+		pnlSymbols, err := t.GetPnLSymbols(lastSyncTime)
+		if err != nil {
+			logger.Infof("  ⚠️ Failed to get PnL symbols: %v", err)
+		} else {
+			logger.Infof("  📋 REALIZED_PNL symbols found: %d - %v", len(pnlSymbols), pnlSymbols)
+			for _, s := range pnlSymbols {
+				symbolMap[s] = true
+			}
 		}
 	}
 
@@ -117,9 +122,10 @@ func (t *FuturesTrader) SyncOrdersFromBinance(traderID string, exchangeID string
 
 	if len(changedSymbols) == 0 {
 		logger.Infof("📭 No symbols with new trades to sync")
-		// DON'T update lastSyncTime to current time here!
-		// Keep using the last actual trade time from DB to avoid creating gaps
-		// The lastSyncTimeMs from DB already has +1000ms buffer added
+		// Update last sync time even if no changes
+		binanceSyncStateMutex.Lock()
+		binanceSyncState[exchangeID] = syncStartTimeMs
+		binanceSyncStateMutex.Unlock()
 		return nil
 	}
 
@@ -152,12 +158,17 @@ func (t *FuturesTrader) SyncOrdersFromBinance(traderID string, exchangeID string
 
 	logger.Infof("📥 Received %d trades from Binance (%d API calls)", len(allTrades), apiCalls)
 
+	// Only update last sync time if ALL symbols were successfully queried
+	// This prevents data loss when some symbols fail due to rate limit or network issues
+	if len(failedSymbols) == 0 {
+		binanceSyncStateMutex.Lock()
+		binanceSyncState[exchangeID] = syncStartTimeMs
+		binanceSyncStateMutex.Unlock()
+	} else {
+		logger.Infof("  ⚠️ %d symbols failed, not updating lastSyncTime to retry next time: %v", len(failedSymbols), failedSymbols)
+	}
+
 	if len(allTrades) == 0 {
-		// No trades returned, but symbols were detected - might be false positive from COMMISSION/PnL detection
-		// Don't update lastSyncTime, keep using DB value
-		if len(failedSymbols) > 0 {
-			logger.Infof("  ⚠️ %d symbols failed: %v", len(failedSymbols), failedSymbols)
-		}
 		return nil
 	}
 
@@ -171,12 +182,10 @@ func (t *FuturesTrader) SyncOrdersFromBinance(traderID string, exchangeID string
 	posBuilder := store.NewPositionBuilder(positionStore)
 	syncedCount := 0
 
-	skippedCount := 0
 	for _, trade := range allTrades {
 		// Check if trade already exists
 		existing, err := orderStore.GetOrderByExchangeID(exchangeID, trade.TradeID)
 		if err == nil && existing != nil {
-			skippedCount++
 			continue // Trade already exists, skip
 		}
 
@@ -271,21 +280,7 @@ func (t *FuturesTrader) SyncOrdersFromBinance(traderID string, exchangeID string
 			trade.Time.UTC().Format("01-02 15:04:05"))
 	}
 
-	// Update lastSyncTime to the LATEST trade time (not current time!)
-	// This ensures next sync starts from where we left off, not from "now"
-	// allTrades is already sorted by time ASC, so last element is the latest
-	if len(allTrades) > 0 && len(failedSymbols) == 0 {
-		latestTradeTimeMs := allTrades[len(allTrades)-1].Time.UTC().UnixMilli()
-		binanceSyncStateMutex.Lock()
-		binanceSyncState[exchangeID] = latestTradeTimeMs
-		binanceSyncStateMutex.Unlock()
-		logger.Infof("📅 Updated lastSyncTime to latest trade: %s (UTC)",
-			time.UnixMilli(latestTradeTimeMs).UTC().Format("2006-01-02 15:04:05"))
-	} else if len(failedSymbols) > 0 {
-		logger.Infof("  ⚠️ %d symbols failed, not updating lastSyncTime to retry next time: %v", len(failedSymbols), failedSymbols)
-	}
-
-	logger.Infof("✅ Binance order sync completed: %d new trades synced, %d skipped (already exist)", syncedCount, skippedCount)
+	logger.Infof("✅ Binance order sync completed: %d new trades synced", syncedCount)
 	return nil
 }
 

web/src/components/strategy/CoinSourceEditor.tsx

@@ -1,5 +1,5 @@
 import { useState } from 'react'
-import { Plus, X, Database, TrendingUp, TrendingDown, List, Ban, Zap, Shuffle } from 'lucide-react'
+import { Plus, X, Database, TrendingUp, List, Ban, Zap } from 'lucide-react'
 import type { CoinSourceConfig } from '../../types'
 
 interface CoinSourceEditorProps {
@@ -23,38 +23,27 @@ export function CoinSourceEditor({
       sourceType: { zh: '数据来源类型', en: 'Source Type' },
       static: { zh: '静态列表', en: 'Static List' },
       ai500: { zh: 'AI500 数据源', en: 'AI500 Data Provider' },
-      oi_top: { zh: 'OI 持仓增加', en: 'OI Increase' },
-      oi_low: { zh: 'OI 持仓减少', en: 'OI Decrease' },
+      oi_top: { zh: 'OI Top 持仓增长', en: 'OI Top' },
       mixed: { zh: '混合模式', en: 'Mixed Mode' },
       staticCoins: { zh: '自定义币种', en: 'Custom Coins' },
       addCoin: { zh: '添加币种', en: 'Add Coin' },
       useAI500: { zh: '启用 AI500 数据源', en: 'Enable AI500 Data Provider' },
       ai500Limit: { zh: '数量上限', en: 'Limit' },
-      useOITop: { zh: '启用 OI 持仓增加榜', en: 'Enable OI Increase' },
+      useOITop: { zh: '启用 OI Top 数据', en: 'Enable OI Top' },
       oiTopLimit: { zh: '数量上限', en: 'Limit' },
-      useOILow: { zh: '启用 OI 持仓减少榜', en: 'Enable OI Decrease' },
-      oiLowLimit: { zh: '数量上限', en: 'Limit' },
       staticDesc: { zh: '手动指定交易币种列表', en: 'Manually specify trading coins' },
       ai500Desc: {
         zh: '使用 AI500 智能筛选的热门币种',
         en: 'Use AI500 smart-filtered popular coins',
       },
       oiTopDesc: {
-        zh: '持仓增加榜，适合做多',
-        en: 'OI increase ranking, for long',
-      },
-      oi_lowDesc: {
-        zh: '持仓减少榜，适合做空',
-        en: 'OI decrease ranking, for short',
+        zh: '使用持仓量增长最快的币种',
+        en: 'Use coins with fastest OI growth',
       },
       mixedDesc: {
-        zh: '组合多种数据源',
-        en: 'Combine multiple sources',
+        zh: '组合多种数据源，AI500 + OI Top + 自定义',
+        en: 'Combine multiple sources: AI500 + OI Top + Custom',
       },
-      mixedConfig: { zh: '组合数据源配置', en: 'Combined Sources Configuration' },
-      mixedSummary: { zh: '已选组合', en: 'Selected Sources' },
-      maxCoins: { zh: '最多', en: 'Up to' },
-      coins: { zh: '个币种', en: 'coins' },
       dataSourceConfig: { zh: '数据源配置', en: 'Data Source Configuration' },
       excludedCoins: { zh: '排除币种', en: 'Excluded Coins' },
       excludedCoinsDesc: { zh: '这些币种将从所有数据源中排除，不会被交易', en: 'These coins will be excluded from all sources and will not be traded' },
@@ -68,35 +57,9 @@ export function CoinSourceEditor({
     { value: 'static', icon: List, color: '#848E9C' },
     { value: 'ai500', icon: Database, color: '#F0B90B' },
     { value: 'oi_top', icon: TrendingUp, color: '#0ECB81' },
-    { value: 'oi_low', icon: TrendingDown, color: '#F6465D' },
-    { value: 'mixed', icon: Shuffle, color: '#60a5fa' },
+    { value: 'mixed', icon: Database, color: '#60a5fa' },
   ] as const
 
-  // Calculate mixed mode summary
-  const getMixedSummary = () => {
-    const sources: string[] = []
-    let totalLimit = 0
-
-    if (config.use_ai500) {
-      sources.push(`AI500(${config.ai500_limit || 10})`)
-      totalLimit += config.ai500_limit || 10
-    }
-    if (config.use_oi_top) {
-      sources.push(`${language === 'zh' ? 'OI增' : 'OI↑'}(${config.oi_top_limit || 10})`)
-      totalLimit += config.oi_top_limit || 10
-    }
-    if (config.use_oi_low) {
-      sources.push(`${language === 'zh' ? 'OI减' : 'OI↓'}(${config.oi_low_limit || 10})`)
-      totalLimit += config.oi_low_limit || 10
-    }
-    if ((config.static_coins || []).length > 0) {
-      sources.push(`${language === 'zh' ? '自定义' : 'Custom'}(${config.static_coins?.length || 0})`)
-      totalLimit += config.static_coins?.length || 0
-    }
-
-    return { sources, totalLimit }
-  }
-
   // xyz dex assets (stocks, forex, commodities) - should NOT get USDT suffix
   const xyzDexAssets = new Set([
     // Stocks
@@ -193,7 +156,7 @@ export function CoinSourceEditor({
         <label className="block text-sm font-medium mb-3 text-nofx-text">
           {t('sourceType')}
         </label>
-        <div className="grid grid-cols-5 gap-2">
+        <div className="grid grid-cols-4 gap-3">
           {sourceTypes.map(({ value, icon: Icon, color }) => (
             <button
               key={value}
@@ -219,8 +182,8 @@ export function CoinSourceEditor({
         </div>
       </div>
 
-      {/* Static Coins - only for static mode */}
-      {config.source_type === 'static' && (
+      {/* Static Coins */}
+      {(config.source_type === 'static' || config.source_type === 'mixed') && (
         <div>
           <label className="block text-sm font-medium mb-3 text-nofx-text">
             {t('staticCoins')}
@@ -320,8 +283,8 @@ export function CoinSourceEditor({
         )}
       </div>
 
-      {/* AI500 Options - only for ai500 mode */}
-      {config.source_type === 'ai500' && (
+      {/* AI500 Options */}
+      {(config.source_type === 'ai500' || config.source_type === 'mixed') && (
         <div
           className="p-4 rounded-lg bg-nofx-gold/5 border border-nofx-gold/20"
         >
@@ -377,8 +340,8 @@ export function CoinSourceEditor({
         </div>
       )}
 
-      {/* OI Top Options - only for oi_top mode */}
-      {config.source_type === 'oi_top' && (
+      {/* OI Top Options */}
+      {(config.source_type === 'oi_top' || config.source_type === 'mixed') && (
         <div
           className="p-4 rounded-lg bg-nofx-success/5 border border-nofx-success/20"
         >
@@ -386,7 +349,7 @@ export function CoinSourceEditor({
             <div className="flex items-center gap-2">
               <TrendingUp className="w-4 h-4 text-nofx-success" />
               <span className="text-sm font-medium text-nofx-text">
-                OI {language === 'zh' ? '持仓增加榜' : 'Increase'} {t('dataSourceConfig')}
+                OI Top {t('dataSourceConfig')}
               </span>
               <NofxOSBadge />
             </div>
@@ -412,10 +375,10 @@ export function CoinSourceEditor({
                   {t('oiTopLimit')}:
                 </span>
                 <select
-                  value={config.oi_top_limit || 10}
+                  value={config.oi_top_limit || 20}
                   onChange={(e) =>
                     !disabled &&
-                    onChange({ ...config, oi_top_limit: parseInt(e.target.value) || 10 })
+                    onChange({ ...config, oi_top_limit: parseInt(e.target.value) || 20 })
                   }
                   disabled={disabled}
                   className="px-3 py-1.5 rounded bg-nofx-bg border border-nofx-gold/20 text-nofx-text"
@@ -433,306 +396,6 @@ export function CoinSourceEditor({
           </div>
         </div>
       )}
-
-      {/* OI Low Options - only for oi_low mode */}
-      {config.source_type === 'oi_low' && (
-        <div
-          className="p-4 rounded-lg bg-nofx-danger/5 border border-nofx-danger/20"
-        >
-          <div className="flex items-center justify-between mb-3">
-            <div className="flex items-center gap-2">
-              <TrendingDown className="w-4 h-4 text-nofx-danger" />
-              <span className="text-sm font-medium text-nofx-text">
-                OI {language === 'zh' ? '持仓减少榜' : 'Decrease'} {t('dataSourceConfig')}
-              </span>
-              <NofxOSBadge />
-            </div>
-          </div>
-
-          <div className="space-y-3">
-            <label className="flex items-center gap-3 cursor-pointer">
-              <input
-                type="checkbox"
-                checked={config.use_oi_low}
-                onChange={(e) =>
-                  !disabled && onChange({ ...config, use_oi_low: e.target.checked })
-                }
-                disabled={disabled}
-                className="w-5 h-5 rounded accent-red-500"
-              />
-              <span className="text-nofx-text">{t('useOILow')}</span>
-            </label>
-
-            {config.use_oi_low && (
-              <div className="flex items-center gap-3 pl-8">
-                <span className="text-sm text-nofx-text-muted">
-                  {t('oiLowLimit')}:
-                </span>
-                <select
-                  value={config.oi_low_limit || 10}
-                  onChange={(e) =>
-                    !disabled &&
-                    onChange({ ...config, oi_low_limit: parseInt(e.target.value) || 10 })
-                  }
-                  disabled={disabled}
-                  className="px-3 py-1.5 rounded bg-nofx-bg border border-nofx-gold/20 text-nofx-text"
-                >
-                  {[5, 10, 15, 20, 30, 50].map(n => (
-                    <option key={n} value={n}>{n}</option>
-                  ))}
-                </select>
-              </div>
-            )}
-
-            <p className="text-xs pl-8 text-nofx-text-muted">
-              {t('nofxosNote')}
-            </p>
-          </div>
-        </div>
-      )}
-
-      {/* Mixed Mode - Unified Card Selector */}
-      {config.source_type === 'mixed' && (
-        <div className="p-4 rounded-lg bg-blue-500/5 border border-blue-500/20">
-          <div className="flex items-center gap-2 mb-4">
-            <Shuffle className="w-4 h-4 text-blue-400" />
-            <span className="text-sm font-medium text-nofx-text">
-              {t('mixedConfig')}
-            </span>
-          </div>
-
-          {/* 4 Source Cards in 2x2 Grid */}
-          <div className="grid grid-cols-2 gap-3 mb-4">
-            {/* AI500 Card */}
-            <div
-              className={`p-3 rounded-lg border transition-all cursor-pointer ${
-                config.use_ai500
-                  ? 'bg-nofx-gold/10 border-nofx-gold/50'
-                  : 'bg-nofx-bg border-nofx-border hover:border-nofx-gold/30'
-              }`}
-              onClick={() => !disabled && onChange({ ...config, use_ai500: !config.use_ai500 })}
-            >
-              <div className="flex items-center gap-2 mb-2">
-                <input
-                  type="checkbox"
-                  checked={config.use_ai500}
-                  onChange={(e) => !disabled && onChange({ ...config, use_ai500: e.target.checked })}
-                  disabled={disabled}
-                  className="w-4 h-4 rounded accent-nofx-gold"
-                  onClick={(e) => e.stopPropagation()}
-                />
-                <Database className="w-4 h-4 text-nofx-gold" />
-                <span className="text-sm font-medium text-nofx-text">AI500</span>
-                <NofxOSBadge />
-              </div>
-              {config.use_ai500 && (
-                <div className="flex items-center gap-2 mt-2 pl-6">
-                  <span className="text-xs text-nofx-text-muted">Limit:</span>
-                  <select
-                    value={config.ai500_limit || 10}
-                    onChange={(e) => {
-                      e.stopPropagation()
-                      !disabled && onChange({ ...config, ai500_limit: parseInt(e.target.value) || 10 })
-                    }}
-                    disabled={disabled}
-                    className="px-2 py-1 rounded text-xs bg-nofx-bg border border-nofx-gold/20 text-nofx-text"
-                    onClick={(e) => e.stopPropagation()}
-                  >
-                    {[5, 10, 15, 20, 30, 50].map(n => (
-                      <option key={n} value={n}>{n}</option>
-                    ))}
-                  </select>
-                </div>
-              )}
-            </div>
-
-            {/* OI Top Card */}
-            <div
-              className={`p-3 rounded-lg border transition-all cursor-pointer ${
-                config.use_oi_top
-                  ? 'bg-nofx-success/10 border-nofx-success/50'
-                  : 'bg-nofx-bg border-nofx-border hover:border-nofx-success/30'
-              }`}
-              onClick={() => !disabled && onChange({ ...config, use_oi_top: !config.use_oi_top })}
-            >
-              <div className="flex items-center gap-2 mb-2">
-                <input
-                  type="checkbox"
-                  checked={config.use_oi_top}
-                  onChange={(e) => !disabled && onChange({ ...config, use_oi_top: e.target.checked })}
-                  disabled={disabled}
-                  className="w-4 h-4 rounded accent-nofx-success"
-                  onClick={(e) => e.stopPropagation()}
-                />
-                <TrendingUp className="w-4 h-4 text-nofx-success" />
-                <span className="text-sm font-medium text-nofx-text">
-                  {language === 'zh' ? 'OI 增加' : 'OI Increase'}
-                </span>
-              </div>
-              <p className="text-xs text-nofx-text-muted pl-6 mb-1">
-                {language === 'zh' ? '适合做多' : 'For long'}
-              </p>
-              {config.use_oi_top && (
-                <div className="flex items-center gap-2 mt-2 pl-6">
-                  <span className="text-xs text-nofx-text-muted">Limit:</span>
-                  <select
-                    value={config.oi_top_limit || 10}
-                    onChange={(e) => {
-                      e.stopPropagation()
-                      !disabled && onChange({ ...config, oi_top_limit: parseInt(e.target.value) || 10 })
-                    }}
-                    disabled={disabled}
-                    className="px-2 py-1 rounded text-xs bg-nofx-bg border border-nofx-gold/20 text-nofx-text"
-                    onClick={(e) => e.stopPropagation()}
-                  >
-                    {[5, 10, 15, 20, 30, 50].map(n => (
-                      <option key={n} value={n}>{n}</option>
-                    ))}
-                  </select>
-                </div>
-              )}
-            </div>
-
-            {/* OI Low Card */}
-            <div
-              className={`p-3 rounded-lg border transition-all cursor-pointer ${
-                config.use_oi_low
-                  ? 'bg-nofx-danger/10 border-nofx-danger/50'
-                  : 'bg-nofx-bg border-nofx-border hover:border-nofx-danger/30'
-              }`}
-              onClick={() => !disabled && onChange({ ...config, use_oi_low: !config.use_oi_low })}
-            >
-              <div className="flex items-center gap-2 mb-2">
-                <input
-                  type="checkbox"
-                  checked={config.use_oi_low}
-                  onChange={(e) => !disabled && onChange({ ...config, use_oi_low: e.target.checked })}
-                  disabled={disabled}
-                  className="w-4 h-4 rounded accent-red-500"
-                  onClick={(e) => e.stopPropagation()}
-                />
-                <TrendingDown className="w-4 h-4 text-nofx-danger" />
-                <span className="text-sm font-medium text-nofx-text">
-                  {language === 'zh' ? 'OI 减少' : 'OI Decrease'}
-                </span>
-              </div>
-              <p className="text-xs text-nofx-text-muted pl-6 mb-1">
-                {language === 'zh' ? '适合做空' : 'For short'}
-              </p>
-              {config.use_oi_low && (
-                <div className="flex items-center gap-2 mt-2 pl-6">
-                  <span className="text-xs text-nofx-text-muted">Limit:</span>
-                  <select
-                    value={config.oi_low_limit || 10}
-                    onChange={(e) => {
-                      e.stopPropagation()
-                      !disabled && onChange({ ...config, oi_low_limit: parseInt(e.target.value) || 10 })
-                    }}
-                    disabled={disabled}
-                    className="px-2 py-1 rounded text-xs bg-nofx-bg border border-nofx-gold/20 text-nofx-text"
-                    onClick={(e) => e.stopPropagation()}
-                  >
-                    {[5, 10, 15, 20, 30, 50].map(n => (
-                      <option key={n} value={n}>{n}</option>
-                    ))}
-                  </select>
-                </div>
-              )}
-            </div>
-
-            {/* Static/Custom Card */}
-            <div
-              className={`p-3 rounded-lg border transition-all cursor-pointer ${
-                (config.static_coins || []).length > 0
-                  ? 'bg-gray-500/10 border-gray-500/50'
-                  : 'bg-nofx-bg border-nofx-border hover:border-gray-500/30'
-              }`}
-            >
-              <div className="flex items-center gap-2 mb-2">
-                <List className="w-4 h-4 text-gray-400" />
-                <span className="text-sm font-medium text-nofx-text">
-                  {language === 'zh' ? '自定义' : 'Custom'}
-                </span>
-                {(config.static_coins || []).length > 0 && (
-                  <span className="text-xs px-1.5 py-0.5 rounded bg-gray-500/20 text-gray-400">
-                    {config.static_coins?.length}
-                  </span>
-                )}
-              </div>
-              <div className="flex flex-wrap gap-1 mt-2">
-                {(config.static_coins || []).slice(0, 3).map((coin) => (
-                  <span
-                    key={coin}
-                    className="flex items-center gap-1 px-2 py-0.5 rounded text-xs bg-nofx-bg-lighter text-nofx-text"
-                  >
-                    {coin}
-                    {!disabled && (
-                      <button
-                        onClick={(e) => {
-                          e.stopPropagation()
-                          handleRemoveCoin(coin)
-                        }}
-                        className="hover:text-red-400 transition-colors"
-                      >
-                        <X className="w-2.5 h-2.5" />
-                      </button>
-                    )}
-                  </span>
-                ))}
-                {(config.static_coins || []).length > 3 && (
-                  <span className="text-xs text-nofx-text-muted">
-                    +{(config.static_coins?.length || 0) - 3}
-                  </span>
-                )}
-              </div>
-              {!disabled && (
-                <div className="flex gap-1 mt-2">
-                  <input
-                    type="text"
-                    value={newCoin}
-                    onChange={(e) => setNewCoin(e.target.value)}
-                    onKeyDown={(e) => {
-                      e.stopPropagation()
-                      if (e.key === 'Enter') handleAddCoin()
-                    }}
-                    onClick={(e) => e.stopPropagation()}
-                    placeholder="BTC, ETH..."
-                    className="flex-1 px-2 py-1 rounded text-xs bg-nofx-bg border border-nofx-gold/20 text-nofx-text"
-                  />
-                  <button
-                    onClick={(e) => {
-                      e.stopPropagation()
-                      handleAddCoin()
-                    }}
-                    className="px-2 py-1 rounded text-xs bg-nofx-gold text-black hover:bg-yellow-500"
-                  >
-                    <Plus className="w-3 h-3" />
-                  </button>
-                </div>
-              )}
-            </div>
-          </div>
-
-          {/* Summary */}
-          {(() => {
-            const { sources, totalLimit } = getMixedSummary()
-            if (sources.length === 0) return null
-            return (
-              <div className="p-2 rounded bg-nofx-bg border border-nofx-border">
-                <div className="flex items-center justify-between text-xs">
-                  <span className="text-nofx-text-muted">{t('mixedSummary')}:</span>
-                  <span className="text-nofx-text font-medium">
-                    {sources.join(' + ')}
-                  </span>
-                </div>
-                <div className="text-xs text-nofx-text-muted mt-1">
-                  {t('maxCoins')} {totalLimit} {t('coins')}
-                </div>
-              </div>
-            )
-          })()}
-        </div>
-      )}
     </div>
   )
 }

web/src/components/strategy/GridConfigEditor.tsx

@@ -47,7 +47,7 @@ export function GridConfigEditor({
       totalInvestment: { zh: '投资金额 (USDT)', en: 'Investment (USDT)' },
       totalInvestmentDesc: { zh: '网格策略的总投资金额', en: 'Total investment for grid strategy' },
       leverage: { zh: '杠杆倍数', en: 'Leverage' },
-      leverageDesc: { zh: '交易使用的杠杆倍数 (1-5)', en: 'Leverage for trading (1-5)' },
+      leverageDesc: { zh: '交易使用的杠杆倍数 (1-20)', en: 'Leverage for trading (1-20)' },
 
       // Grid parameters
       gridCount: { zh: '网格数量', en: 'Grid Count' },
@@ -171,7 +171,7 @@ export function GridConfigEditor({
               onChange={(e) => updateField('leverage', parseInt(e.target.value) || 5)}
               disabled={disabled}
               min={1}
-              max={5}
+              max={20}
               className="w-full px-3 py-2 rounded"
               style={inputStyle}
             />

web/src/types.ts

@@ -509,15 +509,13 @@ export interface GridStrategyConfig {
 }
 
 export interface CoinSourceConfig {
-  source_type: 'static' | 'ai500' | 'oi_top' | 'oi_low' | 'mixed';
+  source_type: 'static' | 'ai500' | 'oi_top' | 'mixed';
   static_coins?: string[];
   excluded_coins?: string[];   // 排除的币种列表
   use_ai500: boolean;
   ai500_limit?: number;
   use_oi_top: boolean;
   oi_top_limit?: number;
-  use_oi_low: boolean;
-  oi_low_limit?: number;
   // Note: API URLs are now built automatically using nofxos_api_key from IndicatorConfig
 }