diff --git a/src/components/WaveformDisplay/WaveformDisplay.vue b/src/components/WaveformDisplay/WaveformDisplay.vue
index e73f4c3..d443c08 100644
--- a/src/components/WaveformDisplay/WaveformDisplay.vue
+++ b/src/components/WaveformDisplay/WaveformDisplay.vue
@@ -39,6 +39,7 @@ import {
   DataZoomComponent,
   AxisPointerComponent,
   ToolboxComponent,
+  MarkLineComponent,
 } from "echarts/components";
 import { CanvasRenderer } from "echarts/renderers";
 import type { ComposeOption } from "echarts/core";
@@ -48,6 +49,7 @@ import type {
   TooltipComponentOption,
   GridComponentOption,
   DataZoomComponentOption,
+  MarkLineComponentOption,
 } from "echarts/components";
 import type {
   ToolboxComponentOption,
@@ -66,6 +68,7 @@ use([
   DataZoomComponent,
   LineChart,
   CanvasRenderer,
+  MarkLineComponent,
 ]);
 
 type EChartsOption = ComposeOption<
@@ -75,6 +78,7 @@ type EChartsOption = ComposeOption<
   | GridComponentOption
   | DataZoomComponentOption
   | LineSeriesOption
+  | MarkLineComponentOption
 >;
 
 const analyzer = useRequiredInjection(useWaveformManager);
@@ -90,7 +94,9 @@ const option = computed((): EChartsOption => {
   if (isUndefined(analyzer.logicData.value)) return {};
 
   // 只获取启用的通道，使用y数据结构
-  const enabledChannels = analyzer.logicData.value.y.filter(channel => channel.enabled);
+  const enabledChannels = analyzer.logicData.value.y.filter(
+    (channel) => channel.enabled,
+  );
   const enabledChannelIndices = analyzer.logicData.value.y
     .map((channel, index) => (channel.enabled ? index : -1))
     .filter((index) => index !== -1);
@@ -149,77 +155,141 @@ const option = computed((): EChartsOption => {
 
   // 创建系列数据
   const series: LineSeriesOption[] = [];
-  enabledChannelIndices.forEach((originalIndex: number, displayIndex: number) => {
-    const channel = analyzer.logicData.value!.y[originalIndex];
-    if (channel.type === "logic") {
-      // logic类型，原样显示
-      series.push({
-        name: channel.name,
-        type: "line",
-        data: channel.value.map(
-          (value: number) => value + displayIndex * channelSpacing + 0.2,
-        ),
-        step: "end",
-        lineStyle: {
-          width: 2,
-          color: channel.color,
-        },
-        areaStyle: {
-          opacity: 0.3,
-          origin: displayIndex * channelSpacing,
-          color: channel.color,
-        },
-        symbol: "none",
-        sampling: "lttb",
-        animation: false,
-      });
-    } else if (channel.type === "number") {
-      // number类型，VCD仿真样式：两个线条（1和0），变化时有斜率（过渡点），无areaStyle
-      const values = channel.value;
-      const xArr = analyzer.logicData.value!.x;
-      // 构造带过渡的点序列
-      function buildVcdLine(valArr: number[], high: number, low: number) {
-        const points: {x: number, y: number}[] = [];
-        let lastValue = high;
-        points.push({x: xArr[0], y: lastValue});
-        for (let i = 1; i < valArr.length; i++) {
-          const v = valArr[i] !== valArr[i-1] ? (lastValue === high ? low : high) : lastValue;
-          points.push({x: xArr[i], y: v});
-          lastValue = v;
+  enabledChannelIndices.forEach(
+    (originalIndex: number, displayIndex: number) => {
+      const channel = analyzer.logicData.value!.y[originalIndex];
+      if (channel.type === "logic") {
+        // logic类型，原样显示
+        series.push({
+          name: channel.name,
+          type: "line",
+          data: channel.value.map(
+            (value: number) => value + displayIndex * channelSpacing + 0.2,
+          ),
+          step: "end",
+          lineStyle: {
+            width: 2,
+            color: channel.color,
+          },
+          areaStyle: {
+            opacity: 0.3,
+            origin: displayIndex * channelSpacing,
+            color: channel.color,
+          },
+          symbol: "none",
+          sampling: "lttb",
+          animation: false,
+        });
+      } else if (channel.type === "number") {
+        const values = channel.value;
+        const xArr = analyzer.logicData.value!.x;
+        // 构造带过渡的点序列
+        function buildVcdLine(valArr: number[], high: number, low: number) {
+          const points: { x: number; y: number }[] = [];
+          let lastValue = high;
+          points.push({ x: xArr[0], y: lastValue });
+          for (let i = 1; i < valArr.length; i++) {
+            const v =
+              valArr[i] !== valArr[i - 1]
+                ? lastValue === high
+                  ? low
+                  : high
+                : lastValue;
+            points.push({ x: xArr[i], y: v });
+            lastValue = v;
+          }
+          return points.map((p) => p.y);
         }
-        // 返回y数组，x由category轴控制
-        return points.map(p => p.y);
+
+        // 计算变化点区间
+        function buildMarkLines(valArr: number[], yBase: number) {
+          const markLines: any[] = [];
+          let lastValue = valArr[0];
+          let lastIdx = 0;
+          // 格式化函数
+          function formatValue(val: number) {
+            if (channel.base === "hex") return "0x" + val.toString(16).toUpperCase();
+            if (channel.base === "bin") return "0b" + val.toString(2);
+            return val.toString();
+          }
+          for (let i = 1; i <= valArr.length; i++) {
+            if (i === valArr.length || valArr[i] !== lastValue) {
+              markLines.push([
+                {
+                  xAxis: lastIdx,
+                  yAxis: yBase,
+                  label: {
+                    formatter: formatValue(lastValue),
+                    position: "insideMiddle",
+                    color: channel.color,
+                    fontSize: 18,
+                    opacity: 1,
+                  },
+                  lineStyle: {
+                    opacity: 0,
+                  },
+                },
+                {
+                  xAxis: i - 1,
+                  yAxis: yBase,
+                  lineStyle: {
+                    opacity: 0,
+                  },
+                },
+              ]);
+              lastValue = valArr[i];
+              lastIdx = i;
+            }
+          }
+          return markLines;
+        }
+
+        // 1线条
+        series.push({
+          name: channel.name + "_1",
+          type: "line",
+          data: buildVcdLine(
+            values,
+            displayIndex * channelSpacing + 1,
+            displayIndex * channelSpacing,
+          ),
+          step: false,
+          lineStyle: {
+            width: 2,
+            color: channel.color,
+          },
+          symbol: "none",
+          sampling: "lttb",
+          animation: false,
+          // 添加markLine
+          markLine: {
+            data: buildMarkLines(values, displayIndex * channelSpacing + 0.5),
+            emphasis: {
+              disabled: true,
+            },
+          },
+        });
+        // 0线条
+        series.push({
+          name: channel.name + "_0",
+          type: "line",
+          data: buildVcdLine(
+            values,
+            displayIndex * channelSpacing,
+            displayIndex * channelSpacing + 1,
+          ),
+          step: false,
+          lineStyle: {
+            width: 2,
+            color: channel.color,
+          },
+          symbol: "none",
+          sampling: "lttb",
+          animation: false,
+        });
       }
-      // 1线条
-      series.push({
-        name: channel.name + "_1",
-        type: "line",
-        data: buildVcdLine(values, displayIndex * channelSpacing + 1, displayIndex * channelSpacing),
-        step: false, // 关闭step，允许斜率
-        lineStyle: {
-          width: 2,
-          color: channel.color,
-        },
-        symbol: "none",
-        sampling: "lttb",
-        animation: false,
-      });
-      // 0线条
-      series.push({
-        name: channel.name + "_0",
-        type: "line",
-        data: buildVcdLine(values, displayIndex * channelSpacing, displayIndex * channelSpacing + 1),
-        step: false,
-        lineStyle: {
-          width: 2,
-          color: channel.color,
-        },
-        symbol: "none",
-        sampling: "lttb",
-        animation: false,
-      });
-    }
-  });
+    },
+  );
 
   return {
     animation: false,
@@ -237,18 +307,20 @@ const option = computed((): EChartsOption => {
           const timeValue = analyzer.logicData.value!.x[params[0].dataIndex];
           const dataIndex = params[0].dataIndex;
           let tooltip = `Time: ${timeValue.toFixed(3)}${analyzer.logicData.value!.xUnit}<br/>`;
-          enabledChannelIndices.forEach((originalIndex: number, displayIndex: number) => {
-            const channel = analyzer.logicData.value!.y[originalIndex];
-            if (channel.type === "logic") {
-              const channelName = channel.name;
-              const originalValue = channel.value[dataIndex];
-              tooltip += `${channelName}: ${originalValue}<br/>`;
-            } else if (channel.type === "number") {
-              const channelName = channel.name;
-              const originalValue = channel.value[dataIndex];
-              tooltip += `${channelName}: ${originalValue}<br/>`;
-            }
-          });
+          enabledChannelIndices.forEach(
+            (originalIndex: number, displayIndex: number) => {
+              const channel = analyzer.logicData.value!.y[originalIndex];
+              if (channel.type === "logic") {
+                const channelName = channel.name;
+                const originalValue = channel.value[dataIndex];
+                tooltip += `${channelName}: ${originalValue}<br/>`;
+              } else if (channel.type === "number") {
+                const channelName = channel.name;
+                const originalValue = channel.value[dataIndex];
+                tooltip += `${channelName}: ${originalValue}<br/>`;
+              }
+            },
+          );
           return tooltip;
         }
         return "";
diff --git a/src/views/Project/Debugger.vue b/src/views/Project/Debugger.vue
index 786ff44..be6e578 100644
--- a/src/views/Project/Debugger.vue
+++ b/src/views/Project/Debugger.vue
@@ -1,6 +1,6 @@
 <template>
   <div>
-    <div class="card">
+    <div class="card m-5 bg-base-200 shadow-2xl">
       <WaveformDisplay />
     </div>
   </div>