diff --git a/.DS_Store b/.DS_Store
index 29e0c04..1cf9306 100644
Binary files a/.DS_Store and b/.DS_Store differ
diff --git a/ChanKLC.py b/ChanKLC.py
index d728911..8999da6 100644
--- a/ChanKLC.py
+++ b/ChanKLC.py
@@ -60,7 +60,7 @@ class ChanKLC():
 	def set_klc_fx_type(self, klc_fx_type):
 		#print(self.start_time, klc_fx_type, self.get_feature_data()['klu_macd'], self.get_feature_data()['klu_macdhist'], self.get_feature_data()['klu_rsi'])
 		self.klc_fx_type = klc_fx_type
-		#self.cal_invisible()
+		#self.cal_fx()
 		self.cal_bb_out()
 	def add_klu(self, klu):
 		self.klus.append(klu)
@@ -76,12 +76,9 @@ class ChanKLC():
 			if klu.macd_state != Chan_MACD_STATE.UNKNOWN:
 				self.state = klu.macd_state
 		self.cal_indicators()
-	def cal_invisible(self):
+	def cal_fx(self):
 		if  self.klc_fx_type == Chan_KLC_FX.TOP1 or self.klc_fx_type == Chan_KLC_FX.TOP2:
 			#print(self.end_time, self.fx, self.macd, self.macdhist, len(self.klus))
-			if self.macdhist < 0 and self.macd > 0:
-				self.klc_fx_type = Chan_KLC_FX.TOP5
-				return
 			if self.state == Chan_MACD_STATE.HIGH_EMPTY and self.macd > 0:
 				#print(self.end_time, self.state, self.macd, self.klc_fx_type)
 				self.klc_fx_type = Chan_KLC_FX.TOP6
@@ -191,6 +188,14 @@ class ChanKLC():
 				return False
 	def set_fx(self, fx: Chan_FX_TYPE):
 		self.fx = fx
+	def cal_invisible(self):
+		if self.fx == Chan_FX_TYPE.TOP:
+			if self.macdhist < 0 and self.macd > 0:
+				self.klc_fx_type = Chan_KLC_FX.TOP5
+		else:
+			if self.fx == Chan_FX_TYPE.BOTTOM:
+				if self.macdhist > 0 and self.macd < 0:
+					self.klc_fx_type = Chan_KLC_FX.BOTTOM5
 	def set_pre_fx(self):
 		if self.pre and self.pre.pre:
 			self.pre.fx = self.check_fx(self.pre.pre, self.pre)
diff --git a/ChanLun.py b/ChanLun.py
index f10476f..cab0039 100644
--- a/ChanLun.py
+++ b/ChanLun.py
@@ -576,6 +576,8 @@ class ChanLun():
 			except Exception:
 				trend = Chan_PRICE_TREND.UNKNOWN
 			# 写回趋势
+			if klc.end_time is None:
+				trend = Chan_PRICE_TREND.FLAT
 			if hasattr(klc, 'set_trend'):
 				klc.set_trend(trend)
 			else:
@@ -640,6 +642,7 @@ class ChanLun():
 									#klc.set_state("20")
 									bi_list[-1].add_klc(klc)
 									klc.set_bi(bi_list[-1])
+									#klc.cal_invisible()
 									#klc.set_klc_fx_type(Chan_KLC_FX.TOP3)
 									#print(klc.start_time, klc.fx, "二类卖点Sell 1")
 								else:
@@ -764,6 +767,7 @@ class ChanLun():
 									#klc.set_state("-20")
 									bi_list[-1].add_klc(klc)
 									klc.set_bi(bi_list[-1])
+									#klc.cal_invisible()
 									#klc.set_klc_fx_type(Chan_KLC_FX.BOTTOM3)
 									#print(last_bottom.start_time, last_bottom.end_time, "--------------------------------1")
 									#print(klc.start_time, klc.fx, "二类买点Buy 1")
diff --git a/TF_DF.py b/TF_DF.py
index f335c63..cd466f4 100644
--- a/TF_DF.py
+++ b/TF_DF.py
@@ -127,12 +127,12 @@ class TF_DF():
 	def check_fx(self, klc):
 		if klc.pre and klc.next:
 			if klc.high > klc.pre.high and klc.high > klc.next.high:
-				if klc.macd > 0 and klc.macd > klc.signal and klc.signal > klc.macdhist:
+				if klc.macd > 0 and klc.signal > klc.macdhist:
 					klc.set_fx(Chan_FX_TYPE.TOP)
 					# print(klc.start_time, klc.end_time,klc.next.start_time, klc.next.end_time,klc.fx, "TOP")
 					return Chan_FX_TYPE.TOP
 			elif klc.low < klc.pre.low and klc.low < klc.next.low:
-				if klc.macd < 0 and klc.macd < klc.signal and klc.signal < klc.macdhist:
+				if klc.macd < 0 and klc.signal < klc.macdhist:
 					klc.set_fx(Chan_FX_TYPE.BOTTOM)
 					# print(klc.start_time, klc.end_time,klc.next.start_time, klc.next.end_time,klc.fx, "BOTTOM")
 					return Chan_FX_TYPE.BOTTOM
diff --git a/web/templates/index.html b/web/templates/index.html
index 528aade..cc330f2 100644
--- a/web/templates/index.html
+++ b/web/templates/index.html
@@ -1341,9 +1341,54 @@
     <script src="https://cdn.jsdelivr.net/npm/bootstrap@5.1.3/dist/js/bootstrap.bundle.min.js"></script>
     <script>
         let currentData = null;
+        let lastRequestId = 0; // 防止过期响应覆盖新数据
         const tables = {};
         // ======= 趋势筛选(币对) =======
         let trendTable = null;
+
+        // 限长截断，减少前端长期持有历史数组导致的内存增长
+        function trimDataInPlace(payload, maxLen = 2000) {
+            const keepTail = (arr) => (Array.isArray(arr) && arr.length > maxLen) ? arr.slice(-maxLen) : arr;
+            if (!payload || typeof payload !== 'object') return;
+
+            // 主/次周期K线
+            payload.kline_data = keepTail(payload.kline_data);
+            payload.element_kline_data = keepTail(payload.element_kline_data);
+
+            // MACD
+            if (payload.macd) {
+                payload.macd.macd = keepTail(payload.macd.macd);
+                payload.macd.signal = keepTail(payload.macd.signal);
+                payload.macd.histogram = keepTail(payload.macd.histogram);
+            }
+            if (payload.element_macd) {
+                payload.element_macd.macd = keepTail(payload.element_macd.macd);
+                payload.element_macd.signal = keepTail(payload.element_macd.signal);
+                payload.element_macd.histogram = keepTail(payload.element_macd.histogram);
+            }
+
+            // ATR
+            payload.atr = keepTail(payload.atr);
+            payload.element_atr = keepTail(payload.element_atr);
+
+            // 分形/线段/中枢/买卖点
+            payload.bi_list = keepTail(payload.bi_list);
+            payload.seg_list = keepTail(payload.seg_list);
+            payload.zs_list = keepTail(payload.zs_list);
+            payload.uncompleted_zs_list = keepTail(payload.uncompleted_zs_list);
+
+            payload.element_bi_list = keepTail(payload.element_bi_list);
+            payload.element_seg_list = keepTail(payload.element_seg_list);
+            payload.element_zs_list = keepTail(payload.element_zs_list);
+            payload.element_uncompleted_zs_list = keepTail(payload.element_uncompleted_zs_list);
+
+            payload.trade_points = keepTail(payload.trade_points);
+            payload.element_trade_points = keepTail(payload.element_trade_points);
+
+            // 移除可能保存的旧快照，避免重复持有
+            delete payload.original_kline_data;
+            delete payload.original_macd;
+        }
         let trendDetailTable = null;
         let trendChart = null;
 
@@ -2230,6 +2275,7 @@
             }
             
             // 发送请求
+            const requestId = ++lastRequestId; // 标记本次请求
             $.ajax({
                 url: '/api/analyze',
                 data: {
@@ -2244,8 +2290,21 @@
                 success: function(data) {
                     // 隐藏加载图标
                     $('#refreshLoadingSpinner').hide();
+
+                    // 忽略过期响应
+                    if (requestId !== lastRequestId) {
+                        return;
+                    }
+
+                    // 截断数据以限制内存占用
+                    trimDataInPlace(data, 2000);
                     
                     // 保存当前数据
+                    if (currentData) {
+                        // 覆盖前断开旧引用，帮助GC尽快回收
+                        delete currentData.original_kline_data;
+                        delete currentData.original_macd;
+                    }
                     currentData = data;
                     
                     // 检查和记录服务器返回的时区
@@ -2267,6 +2326,34 @@
         // 初始化图表
         function initTradingView(symbol, timeframe) {
             try {
+        // 在重新初始化前，尝试释放旧图表与系列资源，避免 GPU 内存累积
+        try {
+            if (tvWidget && tvWidget.state && tvWidget.state.isInitialized) {
+                // 主图
+                if (tvWidget.mainChart && typeof tvWidget.mainChart.remove === 'function') {
+                    tvWidget.mainChart.remove();
+                }
+                // 成交量
+                if (tvWidget.volumeChart && typeof tvWidget.volumeChart.remove === 'function') {
+                    tvWidget.volumeChart.remove();
+                }
+                // 旧 MACD（若存在）
+                if (tvWidget.macdChart && typeof tvWidget.macdChart.remove === 'function') {
+                    tvWidget.macdChart.remove();
+                }
+                // 新 ChanMACD（若存在）
+                if (tvWidget.chanMacdChart && typeof tvWidget.chanMacdChart.remove === 'function') {
+                    tvWidget.chanMacdChart.remove();
+                }
+                // ATR
+                if (tvWidget.atrChart && typeof tvWidget.atrChart.remove === 'function') {
+                    tvWidget.atrChart.remove();
+                }
+            }
+        } catch (e) {
+            console.warn('释放旧图表资源失败（可忽略）:', e);
+        }
+
                 console.log('初始化TradingView图表:', symbol, timeframe);
                 
                 // 获取当前交易对的配置
@@ -2337,8 +2424,9 @@
                     console.log(`A股数据过滤: ${originalLength} -> ${candles.length} 条记录`);
                 }
                 
-                // 清除图表容器
-                document.getElementById('tradingview_chart').innerHTML = '';
+            // 清除图表容器（释放旧 DOM 与 Canvas）
+            const chartRoot = document.getElementById('tradingview_chart');
+            if (chartRoot) chartRoot.innerHTML = '';
                 
                 // 重置图表对象
                 tvWidget = {
@@ -5683,6 +5771,18 @@
                 tvWidget.macdChart = macdChart;
                 tvWidget.chanMacdChart = chanMacdChart;
                 tvWidget.state.isInitialized = true;
+                // 注册窗口卸载时释放资源，避免GPU内存泄漏
+                window.onbeforeunload = function() {
+                    try {
+                        if (tvWidget && tvWidget.state && tvWidget.state.isInitialized) {
+                            if (tvWidget.mainChart && typeof tvWidget.mainChart.remove === 'function') tvWidget.mainChart.remove();
+                            if (tvWidget.volumeChart && typeof tvWidget.volumeChart.remove === 'function') tvWidget.volumeChart.remove();
+                            if (tvWidget.macdChart && typeof tvWidget.macdChart.remove === 'function') tvWidget.macdChart.remove();
+                            if (tvWidget.chanMacdChart && typeof tvWidget.chanMacdChart.remove === 'function') tvWidget.chanMacdChart.remove();
+                            if (tvWidget.atrChart && typeof tvWidget.atrChart.remove === 'function') tvWidget.atrChart.remove();
+                        }
+                    } catch (e) {}
+                };
                 
                 // 初始化默认EMA配置（仅在首次初始化时）
                 if (movingAverages.length === 0) {