diff --git a/scripts/assets/web-probe-sentinel-monitor-web/monitor-web.css b/scripts/assets/web-probe-sentinel-monitor-web/monitor-web.css
index c21d9160..09e5a0fd 100644
--- a/scripts/assets/web-probe-sentinel-monitor-web/monitor-web.css
+++ b/scripts/assets/web-probe-sentinel-monitor-web/monitor-web.css
@@ -977,13 +977,12 @@ select {
 .memory-chart {
   display: block;
   width: 100%;
-  height: 154px;
+  height: 192px;
   border: 1px solid var(--line);
   border-radius: 8px;
   background: #ffffff;
 }
 
-.memory-axis,
 .memory-legend {
   display: flex;
   min-width: 0;
@@ -993,6 +992,44 @@ select {
   font-size: 12px;
 }
 
+.memory-grid-line {
+  stroke: #e5ecea;
+  stroke-width: 1;
+}
+
+.memory-axis-line {
+  stroke: #71817c;
+  stroke-width: 1.2;
+}
+
+.memory-tick-line {
+  stroke: #71817c;
+  stroke-width: 1;
+}
+
+.memory-axis-label {
+  fill: var(--muted);
+  font-size: 11px;
+}
+
+.memory-axis-label-y {
+  text-anchor: end;
+}
+
+.memory-axis-label-x {
+  text-anchor: middle;
+}
+
+.memory-axis-title {
+  fill: #4f625d;
+  font-size: 11px;
+  font-weight: 700;
+}
+
+.memory-axis-title-x {
+  text-anchor: middle;
+}
+
 .detail-grid {
   display: grid;
   grid-template-columns: repeat(2, minmax(0, 1fr));
diff --git a/scripts/assets/web-probe-sentinel-monitor-web/monitor-web.js b/scripts/assets/web-probe-sentinel-monitor-web/monitor-web.js
index 49a3f017..a6d3e8e5 100644
--- a/scripts/assets/web-probe-sentinel-monitor-web/monitor-web.js
+++ b/scripts/assets/web-probe-sentinel-monitor-web/monitor-web.js
@@ -4,6 +4,15 @@ import { createApp, computed, onMounted, ref, watch } from "./vendor/vue.esm-bro
 
 const bootstrap = readBootstrap();
 const internalTextPattern = /水合|投影|Trace|trace|Shell|API|DOM|Console|console|Runner|runner|JSONL|steer|facts|分页|HTTP|http|requestfailed|pageerror|Final Response|Code Agent|web-probe|observe|analyzer|终态/u;
+const memoryChartFrame = Object.freeze({
+  left: 64,
+  right: 696,
+  top: 20,
+  bottom: 132,
+  yLabelX: 56,
+  xLabelY: 154,
+  xTitleY: 172,
+});
 
 createApp({
   setup() {
@@ -113,6 +122,18 @@ createApp({
     });
     const detailMemoryMax = computed(() => Math.max(1, ...detailMemorySeries.value.flatMap((series) => series.points.map((point) => number(point.memoryMb)))));
     const detailMemoryDurationMax = computed(() => Math.max(1, ...detailMemorySeries.value.flatMap((series) => series.points.map((point) => number(point.elapsedMinutes)))));
+    const detailMemoryYAxisTicks = computed(() => memoryTickValues(detailMemoryMax.value).map((value) => ({
+      key: `memory-y-${value}`,
+      value,
+      y: memoryYValue(value),
+      label: formatMb(value),
+    })));
+    const detailMemoryXAxisTicks = computed(() => memoryTickValues(detailMemoryDurationMax.value).map((value) => ({
+      key: `memory-x-${value}`,
+      value,
+      x: memoryXValue(value),
+      label: formatMinuteTick(value),
+    })));
     const scopedCheckFindings = computed(() => {
       if (checkScope.value === "history") return historicalCheckFindings.value;
       return runDetailCheckFindings.value;
@@ -318,12 +339,22 @@ createApp({
 
     function memoryX(point) {
       const elapsed = number(point?.elapsedMinutes);
-      return Math.round(24 + (elapsed / detailMemoryDurationMax.value) * 672);
+      return memoryXValue(elapsed);
     }
 
     function memoryY(point) {
       const memory = number(point?.memoryMb);
-      return Math.round(126 - (memory / detailMemoryMax.value) * 102);
+      return memoryYValue(memory);
+    }
+
+    function memoryXValue(elapsedMinutes) {
+      const ratio = clamp(number(elapsedMinutes) / detailMemoryDurationMax.value, 0, 1);
+      return Math.round(memoryChartFrame.left + ratio * (memoryChartFrame.right - memoryChartFrame.left));
+    }
+
+    function memoryYValue(memoryMb) {
+      const ratio = clamp(number(memoryMb) / detailMemoryMax.value, 0, 1);
+      return Math.round(memoryChartFrame.bottom - ratio * (memoryChartFrame.bottom - memoryChartFrame.top));
     }
 
     function memoryLineClass(index) {
@@ -402,6 +433,9 @@ createApp({
       detailMemorySeries,
       detailMemoryMax,
       detailMemoryDurationMax,
+      detailMemoryYAxisTicks,
+      detailMemoryXAxisTicks,
+      memoryFrame: memoryChartFrame,
       scopedCheckFindings,
       scopedCheckSummary,
       visibleCheckFindings,
@@ -724,10 +758,23 @@ createApp({
                 <span class="tag">每个页面一条线 · 峰值 {{ formatMb(detailMemory.maxMemoryMb || detailMemoryMax) }}</span>
               </div>
               <div v-if="detailMemorySeries.length > 0" class="memory-chart-wrap">
-                <svg class="memory-chart" viewBox="0 0 720 142" role="img" aria-label="运行详情页面内存曲线">
-                  <line class="trend-grid-line" x1="24" x2="696" y1="24" y2="24"></line>
-                  <line class="trend-grid-line" x1="24" x2="696" y1="75" y2="75"></line>
-                  <line class="trend-grid-line" x1="24" x2="696" y1="126" y2="126"></line>
+                <svg class="memory-chart" viewBox="0 0 720 178" role="img" aria-label="运行详情页面内存曲线，纵轴为 MB，横轴为运行分钟">
+                  <g data-memory-axis-y="true">
+                    <g v-for="tick in detailMemoryYAxisTicks" :key="tick.key" data-memory-axis-y-tick="true">
+                      <line class="memory-grid-line" :x1="memoryFrame.left" :x2="memoryFrame.right" :y1="tick.y" :y2="tick.y"></line>
+                      <text class="memory-axis-label memory-axis-label-y" :x="memoryFrame.yLabelX" :y="tick.y + 4">{{ tick.label }}</text>
+                    </g>
+                    <line class="memory-axis-line" :x1="memoryFrame.left" :x2="memoryFrame.left" :y1="memoryFrame.top" :y2="memoryFrame.bottom"></line>
+                    <text class="memory-axis-title memory-axis-title-y" x="18" y="78" transform="rotate(-90 18 78)">内存 MB</text>
+                  </g>
+                  <g data-memory-axis-x="true">
+                    <line class="memory-axis-line" :x1="memoryFrame.left" :x2="memoryFrame.right" :y1="memoryFrame.bottom" :y2="memoryFrame.bottom"></line>
+                    <g v-for="tick in detailMemoryXAxisTicks" :key="tick.key" data-memory-axis-x-tick="true">
+                      <line class="memory-tick-line" :x1="tick.x" :x2="tick.x" :y1="memoryFrame.bottom" :y2="memoryFrame.bottom + 6"></line>
+                      <text class="memory-axis-label memory-axis-label-x" :x="tick.x" :y="memoryFrame.xLabelY">{{ tick.label }}</text>
+                    </g>
+                    <text class="memory-axis-title memory-axis-title-x" :x="(memoryFrame.left + memoryFrame.right) / 2" :y="memoryFrame.xTitleY">运行分钟</text>
+                  </g>
                   <polyline
                     v-for="(series, index) in detailMemorySeries"
                     :key="series.key || series.label || index"
@@ -736,11 +783,6 @@ createApp({
                     :points="memoryPolyline(series)"
                   ></polyline>
                 </svg>
-                <div class="memory-axis">
-                  <span>0m</span>
-                  <span>{{ formatMinutes(detailMemoryDurationMax) }}</span>
-                  <span>峰值 {{ formatMb(detailMemory.maxMemoryMb || detailMemoryMax) }}</span>
-                </div>
                 <div class="memory-legend">
                   <span
                     v-for="(series, index) in detailMemorySeries"
@@ -1065,6 +1107,14 @@ function formatMinutes(value) {
   return `${Number.isInteger(rounded) ? String(rounded) : String(rounded).replace(/0+$/u, "").replace(/\.$/u, "")} 分钟`;
 }
 
+function formatMinuteTick(value) {
+  const numberValue = optionalNumber(value);
+  if (numberValue === null) return "-";
+  const rounded = Math.round(numberValue * 100) / 100;
+  const text = Number.isInteger(rounded) ? String(rounded) : String(rounded).replace(/0+$/u, "").replace(/\.$/u, "");
+  return `${text}m`;
+}
+
 function formatMb(value) {
   const numberValue = optionalNumber(value);
   if (numberValue === null) return "-";
@@ -1073,6 +1123,11 @@ function formatMb(value) {
   return `${text} MB`;
 }
 
+function memoryTickValues(maxValue) {
+  const max = Math.max(1, number(maxValue));
+  return [0, max / 2, max];
+}
+
 function runDurationText(run) {
   const timing = run?.timing || {};
   return formatMinutes(optionalNumber(run?.runDurationMinutes, run?.durationMinutes, timing.runDurationMinutes, timing.durationMinutes));
diff --git a/scripts/src/hwlab-node-web-sentinel-p5.ts b/scripts/src/hwlab-node-web-sentinel-p5.ts
index abfb913b..61823134 100644
--- a/scripts/src/hwlab-node-web-sentinel-p5.ts
+++ b/scripts/src/hwlab-node-web-sentinel-p5.ts
@@ -687,6 +687,7 @@ const dom = await page.evaluate(async ({ expectedRoutePrefix, expectedSentinelId
   const targetDetailPayload = objectOrNull(targetDetailResult.body) || {};
   const targetMemory = objectOrNull(targetDetailPayload.memory) || {};
   const targetPageSeries = Array.isArray(targetMemory.pageSeries) ? targetMemory.pageSeries : [];
+  const memoryAxisText = String(memoryChart?.textContent || "").replace(/\s+/g, " ").trim();
   const memorySummary = {
     present: Boolean(memoryChart),
     runId: memoryChart?.getAttribute("data-memory-run-id") || null,
@@ -703,6 +704,12 @@ const dom = await page.evaluate(async ({ expectedRoutePrefix, expectedSentinelId
     apiSampleCount: numberValue(targetMemory.sampleCount),
     apiSource: targetMemory.source || null,
     perPageLines: false,
+    axisX: Boolean(memoryChart?.querySelector("[data-memory-axis-x='true']")),
+    axisY: Boolean(memoryChart?.querySelector("[data-memory-axis-y='true']")),
+    axisXTickCount: document.querySelectorAll(".memory-chart [data-memory-axis-x-tick='true']").length,
+    axisYTickCount: document.querySelectorAll(".memory-chart [data-memory-axis-y-tick='true']").length,
+    axisHasUnits: memoryAxisText.includes("MB") && memoryAxisText.includes("运行分钟"),
+    axesOk: false,
   };
   memorySummary.perPageLines = memorySummary.present === true
     && memorySummary.matchesTargetRun === true
@@ -711,6 +718,11 @@ const dom = await page.evaluate(async ({ expectedRoutePrefix, expectedSentinelId
     && memorySummary.legendCount === memorySummary.pageCount
     && memorySummary.apiOk === true
     && memorySummary.apiPageCount === memorySummary.pageCount;
+  memorySummary.axesOk = memorySummary.axisX === true
+    && memorySummary.axisY === true
+    && memorySummary.axisXTickCount >= 3
+    && memorySummary.axisYTickCount >= 3
+    && memorySummary.axisHasUnits === true;
   const datasetSentinelId = String(dataset.sentinelId || "");
   const finalPath = new URL(window.location.href).pathname.replace(/\/+$/u, "") || "/";
   const expectedPath = expectedRoutePrefix.replace(/\/+$/u, "") || "/";
@@ -770,6 +782,7 @@ const dom = await page.evaluate(async ({ expectedRoutePrefix, expectedSentinelId
       latestFindingTypeCount: latestRunCounts.typeCount,
       trendCurves: chartTiming.ok,
       memoryPerPageLines: memorySummary.perPageLines,
+      memoryAxes: memorySummary.axesOk,
     },
     sentinelBoundary,
     title: document.title,
@@ -822,6 +835,7 @@ const ok = !navigationError
   && dom.requestedRunSelection?.ok === true
   && dom.chartTiming?.ok === true
   && dom.memorySummary?.perPageLines === true
+  && dom.memorySummary?.axesOk === true
   && dom.layout?.horizontalOverflow !== true
   && pageErrors.length === 0;
 
@@ -1326,7 +1340,7 @@ function renderDashboardResult(result: Record<string, unknown>): string {
       chartTiming.hasWarningCurve ?? "-",
     ]]),
     "",
-    table(["MEMORY_CHART", "MEMORY_RUN", "MEMORY_MATCH", "MEMORY_PAGES", "MEMORY_CURVES", "MEMORY_SAMPLES", "API_PAGES", "MEMORY_PAGE_LINES", "MEMORY_SOURCE"], [[
+    table(["MEMORY_CHART", "MEMORY_RUN", "MEMORY_MATCH", "MEMORY_PAGES", "MEMORY_CURVES", "MEMORY_SAMPLES", "API_PAGES", "MEMORY_PAGE_LINES", "MEMORY_AXES", "X_TICKS", "Y_TICKS", "MEMORY_SOURCE"], [[
       memorySummary.present ?? "-",
       memorySummary.runId ?? "-",
       memorySummary.matchesTargetRun ?? "-",
@@ -1335,6 +1349,9 @@ function renderDashboardResult(result: Record<string, unknown>): string {
       memorySummary.sampleCount ?? "-",
       memorySummary.apiPageCount ?? "-",
       memorySummary.perPageLines ?? "-",
+      memorySummary.axesOk ?? "-",
+      memorySummary.axisXTickCount ?? "-",
+      memorySummary.axisYTickCount ?? "-",
       memorySummary.source ?? memorySummary.apiSource ?? "-",
     ]]),
     "",
diff --git a/scripts/verify-web-probe-sentinel-monitor-web.ts b/scripts/verify-web-probe-sentinel-monitor-web.ts
index 611a1cc4..46abe861 100644
--- a/scripts/verify-web-probe-sentinel-monitor-web.ts
+++ b/scripts/verify-web-probe-sentinel-monitor-web.ts
@@ -12,13 +12,19 @@ const checks: Array<{ readonly path: string; readonly contains: readonly string[
       "data-monitor-independent-scroll",
       "data-check-row",
       "data-check-dialog",
+      "data-memory-axis-x",
+      "data-memory-axis-y",
       "rootCause",
     ],
   },
   {
     path: "scripts/assets/web-probe-sentinel-monitor-web/monitor-web.css",
     minBytes: 8_000,
-    contains: [],
+    contains: [
+      ".memory-axis-line",
+      ".memory-axis-label",
+      ".memory-axis-title",
+    ],
   },
   {
     path: "scripts/assets/web-probe-sentinel-monitor-web/vendor/vue.esm-browser.prod.js",