diff --git a/leopard-strategy/src/main/java/com/lanyuanxiaoyao/leopard/strategy/StrategyApplication.java b/leopard-strategy/src/main/java/com/lanyuanxiaoyao/leopard/strategy/StrategyApplication.java
index 89acd34..6c5ac7b 100644
--- a/leopard-strategy/src/main/java/com/lanyuanxiaoyao/leopard/strategy/StrategyApplication.java
+++ b/leopard-strategy/src/main/java/com/lanyuanxiaoyao/leopard/strategy/StrategyApplication.java
@@ -101,12 +101,13 @@ public class StrategyApplication {
           .filter(daily -> daily.getTradeDate().isAfter(startDate) && daily.getTradeDate().isBefore(endDate))
           .sorted(Comparator.comparing(Daily::getTradeDate))
           .toList();
-        var dailyXList = new ArrayList<String>();
-        var dailyYList = new ArrayList<List<Double>>();
+        var oclhList = new HashMap<>();
         var dailyCloseMapping = new HashMap<String, Double>();
         for (var daily : dailies) {
-          dailyXList.add(daily.getTradeDate().toString());
-          dailyYList.add(List.of(daily.getHfqOpen(), daily.getHfqClose(), daily.getHfqLow(), daily.getHfqHigh()));
+          oclhList.put(
+            daily.getTradeDate().toString(),
+            List.of(daily.getHfqOpen(), daily.getHfqClose(), daily.getHfqLow(), daily.getHfqHigh())
+          );
           dailyCloseMapping.put(daily.getTradeDate().toString(), daily.getHfqClose());
         }
         charts.add(
@@ -120,8 +121,7 @@ public class StrategyApplication {
                   "日线",
                   Dict.create()
                     .set("type", "candle")
-                    .set("xList", dailyXList)
-                    .set("yList", dailyYList)
+                    .set("oclh", oclhList)
                     .set(
                       "points",
                       asset.getTrades()
diff --git a/leopard-strategy/src/main/resources/templates/backtest_report.html b/leopard-strategy/src/main/resources/templates/backtest_report.html
index 74b2715..54c44d5 100644
--- a/leopard-strategy/src/main/resources/templates/backtest_report.html
+++ b/leopard-strategy/src/main/resources/templates/backtest_report.html
@@ -22,6 +22,163 @@
 </body>
 <script src="https://cdnjs.cloudflare.com/ajax/libs/amis/6.13.0/sdk.min.js"></script>
 <script th:inline="javascript" type='text/javascript'>
+  // 全局配置（颜色、尺寸、间距等），集中管理，便于统一调整
+  const CONFIG = {
+    colors: {up: '#000000FF', down: '#00000045'},
+    grid: {left: '2%', right: '2%', top: 40, bottom: 110},
+    zoom: {bottom: 16, height: 50},
+    linewidth: {stem: 1.5, openTick: 1.2, closeTick: 1.6, closeLine: 1.5},
+    tick: {min: 4, max: 10, scale: 0.4},
+  }
+
+  // 通用 tooltip 格式化（按索引回读原始 O/H/L/C）
+  function makeTooltipFormatter(dataMap, dates) {
+    return function (params) {
+      let p = Array.isArray(params) ? params[0] : params
+      let idx = p.dataIndex
+      let d = dates[idx]
+      let ohlc = dataMap[d] || []
+      let o = ohlc[0], c = ohlc[1], l = ohlc[2], h = ohlc[3]
+      let chg = (c - o)
+      let chgPct = o ? (chg / o * 100) : 0
+      let sign = chg >= 0 ? '+' : ''
+      return [
+        d,
+        'O: ' + o,
+        'C: ' + c,
+        'H: ' + h,
+        'L: ' + l,
+        'Chg: ' + sign + chg.toFixed(2) + ' (' + sign + chgPct.toFixed(2) + '%)',
+      ].join('<br/>')
+    }
+  }
+
+  // 通用基础配置构建（legend/tooltip/grid/xAxis/yAxis/dataZoom）
+  function buildBaseOption(dates, series, formatter) {
+    return {
+      animation: false,
+      legend: {show: false},
+      tooltip: {trigger: 'axis', axisPointer: {type: 'cross'}, formatter},
+      grid: CONFIG.grid,
+      xAxis: {type: 'category', data: dates, boundaryGap: true, axisLine: {onZero: false}},
+      yAxis: {scale: true},
+      dataZoom: [
+        {type: 'inside', xAxisIndex: 0, start: 0, end: 100},
+        {
+          show: true,
+          type: 'slider',
+          xAxisIndex: 0,
+          bottom: CONFIG.zoom.bottom,
+          height: CONFIG.zoom.height,
+          start: 0,
+          end: 100,
+        },
+      ],
+      series,
+    }
+  }
+
+  // Range Band + Close Line（高低区间带 + 收盘线）：趋势与波动范围直观
+  function buildRangeCloseOption(dataMap) {
+    const dates = Object.keys(dataMap).sort()
+    const lowArr = dates.map(d => dataMap[d][2])
+    const highArr = dates.map(d => dataMap[d][3])
+    const closeArr = dates.map(d => dataMap[d][1])
+    const rangeArr = highArr.map((h, i) => h - lowArr[i])
+
+    const series = [
+      {
+        name: 'Low',
+        type: 'line',
+        data: lowArr,
+        stack: 'range',
+        symbol: 'none',
+        lineStyle: {width: 0},
+        emphasis: {disabled: true},
+      },
+      {
+        name: 'Range',
+        type: 'line',
+        data: rangeArr,
+        stack: 'range',
+        symbol: 'none',
+        lineStyle: {width: 0},
+        areaStyle: {color: CONFIG.colors.down, opacity: 0.6},
+        z: 2,
+      },
+      {
+        name: 'Close',
+        type: 'line',
+        data: closeArr,
+        symbol: 'none',
+        lineStyle: {color: CONFIG.colors.up, width: CONFIG.linewidth.closeLine},
+        z: 3,
+      },
+    ]
+
+    return buildBaseOption(dates, series, makeTooltipFormatter(dataMap, dates))
+  }
+
+  // Minimal OHLC（竖线 + 左/右短横）：信息等价于K线但形态简洁
+  function buildOHLCMinimalOption(dataMap) {
+    const dates = Object.keys(dataMap).sort()
+    const ohlcData = dates.map((d, i) => [i, ...dataMap[d]])
+
+    // 自定义渲染：竖线=高低区间；左短横=开盘；右短横=收盘；颜色=涨跌
+    function renderOHLCMinimal(params, api) {
+      let idx = api.value(0)
+      let open = api.value(1)
+      let close = api.value(2)
+      let low = api.value(3)
+      let high = api.value(4)
+      let up = close >= open
+
+      let x = api.coord([idx, 0])[0]
+      let highPoint = api.coord([idx, high])
+      let lowPoint = api.coord([idx, low])
+      let openPoint = api.coord([idx, open])
+      let closePoint = api.coord([idx, close])
+
+      let band = api.size([1, 0])[0]
+      let tick = Math.max(CONFIG.tick.min, Math.min(CONFIG.tick.max, band * CONFIG.tick.scale))
+      let color = up ? CONFIG.colors.up : CONFIG.colors.down
+
+      return {
+        type: 'group',
+        children: [
+          {
+            type: 'line',
+            shape: {x1: x, y1: highPoint[1], x2: x, y2: lowPoint[1]},
+            style: {stroke: color, lineWidth: CONFIG.linewidth.stem, opacity: 0.9},
+          },
+          {
+            type: 'line',
+            shape: {x1: x - tick, y1: openPoint[1], x2: x, y2: openPoint[1]},
+            style: {stroke: color, lineWidth: CONFIG.linewidth.openTick, opacity: 0.95},
+          },
+          {
+            type: 'line',
+            shape: {x1: x, y1: closePoint[1], x2: x + tick, y2: closePoint[1]},
+            style: {stroke: color, lineWidth: CONFIG.linewidth.closeTick, opacity: 0.95},
+          },
+        ],
+      }
+    }
+
+    const series = [
+      {
+        name: 'ohlc',
+        type: 'custom',
+        renderItem: renderOHLCMinimal,
+        encode: {x: 0, y: [1, 2, 3, 4]},
+        data: ohlcData,
+        z: 10,
+      },
+    ]
+
+    return buildBaseOption(dates, series, makeTooltipFormatter(dataMap, dates))
+  }
+
   function candleChart(title, data) {
     return {
       type: 'service',
@@ -34,201 +191,7 @@
           title: {
             text: title,
           },
-          backgroundColor: '#fff',
-          animation: true,
-          animationDuration: 1000,
-          tooltip: {
-            trigger: 'axis',
-            axisPointer: {
-              type: 'cross',
-            },
-            backgroundColor: 'rgba(0, 0, 0, 0.7)',
-            borderColor: '#333',
-            borderWidth: 1,
-            textStyle: {
-              color: '#fff',
-              fontSize: 12,
-            },
-            padding: 12,
-            formatter: function (params) {
-              const param = params[0]
-              const open = parseFloat(param.data[1]).toFixed(2)
-              const close = parseFloat(param.data[2]).toFixed(2)
-              const lowest = parseFloat(param.data[3]).toFixed(2)
-              const highest = parseFloat(param.data[4]).toFixed(2)
-
-              return `<div class="text-center font-bold mb-2">${param.name}</div>
-                        <div class="text-center">
-                          <span>开盘:</span>
-                          <span class="font-bold ml-4">${open}</span>
-                        </div>
-                        <div class="text-center">
-                          <span>收盘:</span>
-                          <span class="font-bold ml-4">${close}</span>
-                        </div>
-                        <div class="text-center">
-                          <span>最低:</span>
-                          <span class="font-bold ml-4">${lowest}</span>
-                        </div>
-                        <div class="text-center">
-                          <span>最高:</span>
-                          <span class="font-bold ml-4">${highest}</span>
-                        </div>`
-            },
-          },
-          grid: {
-            left: '2%',
-            right: '2%',
-            top: '15%',
-            bottom: '15%',
-            containLabel: true,
-          },
-          xAxis: {
-            data: '${xList || []}',
-            axisLine: {
-              lineStyle: {
-                color: '#e0e0e0',
-              },
-            },
-            axisLabel: {
-              color: '#666',
-              fontWeight: 'bold',
-            },
-            splitLine: {
-              show: false,
-            },
-            axisTick: {
-              show: false,
-            },
-          },
-          yAxis: [
-            {
-              position: 'left',
-              scale: true,
-              axisLine: {
-                lineStyle: {
-                  color: '#e0e0e0',
-                },
-              },
-              axisLabel: {
-                color: '#666',
-                fontWeight: 'bold',
-                formatter: function (value) {
-                  return value.toFixed(2)
-                },
-              },
-              splitLine: {
-                lineStyle: {
-                  type: 'dashed',
-                  color: '#f0f0f0',
-                },
-              },
-              axisTick: {
-                show: false,
-              },
-            },
-            {
-              position: 'right',
-              scale: true,
-              axisLine: {
-                lineStyle: {
-                  color: '#e0e0e0',
-                },
-              },
-              axisLabel: {
-                color: '#666',
-                fontWeight: 'bold',
-                formatter: function (value) {
-                  return value.toFixed(2)
-                },
-              },
-              splitLine: {
-                lineStyle: {
-                  type: 'dashed',
-                  color: '#f0f0f0',
-                },
-              },
-              axisTick: {
-                show: false,
-              },
-            },
-            {
-              scale: true,
-              axisLine: {
-                show: false,
-              },
-              axisTick: {
-                show: false,
-              },
-              axisLabel: {
-                show: false,
-              },
-              splitLine: {
-                show: false,
-              },
-            },
-          ],
-          dataZoom: [
-            {
-              type: 'inside',
-              start: 0,
-              end: 100,
-            },
-            {
-              show: true,
-              type: 'slider',
-              top: '90%',
-              start: 0,
-              end: 100,
-            },
-          ],
-          series: [
-            {
-              type: 'candlestick',
-              data: '${yList || []}',
-              yAxisIndex: 0,
-              itemStyle: {
-                color: '#eb5454',
-                color0: '#4aaa93',
-                borderColor: '#eb5454',
-                borderColor0: '#4aaa93',
-                borderWidth: 1,
-              },
-              markPoint: {
-                data: '${points || []}',
-              },
-            },
-            {
-              type: 'line',
-              yAxisIndex: 0,
-              data: '${sma30 || []}',
-              smooth: true,
-              symbol: 'none',
-              lineStyle: {
-                color: 'rgba(0,111,255,0.5)',
-              },
-            },
-            {
-              type: 'line',
-              yAxisIndex: 0,
-              data: '${sma60 || []}',
-              smooth: true,
-              symbol: 'none',
-              lineStyle: {
-                color: 'rgba(115,0,255,0.5)',
-              },
-            },
-            {
-              type: 'line',
-              yAxisIndex: 1,
-              data: '${sma30Slopes || []}',
-              smooth: true,
-              symbol: 'none',
-              lineStyle: {
-                color: 'rgba(0,255,81,0.5)',
-              },
-            },
-          ],
+          ...buildRangeCloseOption(data['oclh']),
         },
       },
     }