diff --git a/package-lock.json b/package-lock.json
index 917ae2e..9db4a2c 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -6,7 +6,7 @@
   "packages": {
     "": {
       "name": "JE-Skin",
-      "version": "0.3.0",
+      "version": "0.4.0",
       "license": "MIT",
       "dependencies": {
         "@tauri-apps/api": "^2",
diff --git a/src-tauri/src/serial_core/serial.rs b/src-tauri/src/serial_core/serial.rs
index fca733d..8eb1ddf 100644
--- a/src-tauri/src/serial_core/serial.rs
+++ b/src-tauri/src/serial_core/serial.rs
@@ -322,7 +322,6 @@ where
                             let force = raw_to_g1(summary as u32);
                             push_devkit_frame(&app, vals.as_slice(), frame.dts_ms(), force);
                         }
-
                         pending_sub_frame = Some(PendingSubFrame {
                             frame: frame.clone(),
                             values: vals,
@@ -398,12 +397,12 @@ fn infer_matrix_shape(len: usize) -> (u32, u32) {
 }
 
 fn raw_to_g1(raw: u32) -> f64 {
-    const X: [u32; 12] = [
-        0, 84402, 117218, 140176, 159126, 175812, 191484, 208758, 224703, 252448, 302361, 352703,
+    const X: [u32; 11] = [
+        0, 75507, 93732, 122031, 145263, 168630, 189980, 226021, 253636, 307140, 361368,
     ];
 
-    const Y: [f64; 12] = [
-        0.0, 160.0, 260.0, 360.0, 460.0, 560.0, 660.0, 760.0, 860.0, 1060.0, 1560.0, 2060.0,
+    const Y: [f64; 11] = [
+        0.0, 197.0, 257.0, 357.0, 457.0, 557.0, 657.0, 857.0, 1057.0, 1557.0, 2057.0,
     ];
 
     let n = X.len();
diff --git a/src/lib/components/CenterStage.svelte b/src/lib/components/CenterStage.svelte
index de63228..ab7863a 100644
--- a/src/lib/components/CenterStage.svelte
+++ b/src/lib/components/CenterStage.svelte
@@ -68,6 +68,7 @@
   let replaySide: "left" | "right" = "right";
 
   const minRailScale = 0.2;
+  const resultantForceZeroThreshold = 0.1;
   const dispatch = createEventDispatcher<{
     configclose: void;
     replaytoggle: void;
@@ -81,7 +82,8 @@
   $: replaySide = summarySide === "left" ? "right" : "left";
   $: replayToggleButtonText = replayIsPlaying ? replayPauseLabel : replayPlayLabel;
   $: replayProgressPercent = Math.round(Math.min(1, Math.max(0, replayProgress)) * 100);
-  $: summaryCurveVisible = summary.points.length > 0 && summary.points.some((value) => Number.isFinite(value) && Math.abs(value) >= 0.0001);
+  $: summaryCurveVisible =
+    summary.latest != null && Number.isFinite(summary.latest) && summary.latest > resultantForceZeroThreshold;
   $: splitMatrixTitle = locale === "zh-CN" ? "数字矩阵" : "Matrix";
   $: splitMatrixHint = locale === "zh-CN" ? "实时压力数据 / 数字矩阵" : "Live pressure matrix";
 
diff --git a/src/lib/components/PressureMatrixViewer.svelte b/src/lib/components/PressureMatrixViewer.svelte
index ad52a11..f37d8b6 100644
--- a/src/lib/components/PressureMatrixViewer.svelte
+++ b/src/lib/components/PressureMatrixViewer.svelte
@@ -145,6 +145,10 @@
       return "--";
     }
 
+    if (value === 0) {
+      return "0";
+    }
+
     return value.toFixed(1);
   }
 
diff --git a/src/routes/+page.svelte b/src/routes/+page.svelte
index a9b8603..526a53d 100644
--- a/src/routes/+page.svelte
+++ b/src/routes/+page.svelte
@@ -169,6 +169,7 @@
   const summaryPointsPerSeries = 42;
   const signalRenderTickMs = 1200;
   const replayDefaultFrameMs = 40;
+  const resultantForceZeroThreshold = 0.1;
   const showSignalPanels = false;
   const mockToneCycle: SignalTone[] = ["cyan", "lime", "orange", "violet", "gold", "rose"];
 
@@ -707,6 +708,21 @@
     return new Array<number>(totalCells).fill(0);
   }
 
+  function shouldZeroPressureMatrix(summaryValue: HudSummary): boolean {
+    return summaryValue.latest != null && Number.isFinite(summaryValue.latest) && summaryValue.latest === 0;
+  }
+
+  function resolvePressureMatrixForSummary(
+    sourceMatrix: number[] | null,
+    summaryValue: HudSummary
+  ): number[] | null {
+    if (shouldZeroPressureMatrix(summaryValue)) {
+      return buildZeroMatrix();
+    }
+
+    return sourceMatrix;
+  }
+
   function resetReplayVisualState(): void {
     pressureMatrix = buildZeroMatrix();
     signalPanels = buildInactivePanels();
@@ -743,9 +759,10 @@
     replayCurrentIndex = safeIndex;
     replayHasDisplayedFrame = true;
     replayProgress = replayFrames.length > 1 ? safeIndex / (replayFrames.length - 1) : 1;
-    pressureMatrix = frameValuesToMatrix(replayFrames[safeIndex].values);
+    const nextSummary = buildReplaySummaryAt(safeIndex);
+    pressureMatrix = resolvePressureMatrixForSummary(frameValuesToMatrix(replayFrames[safeIndex].values), nextSummary);
     signalPanels = buildInactivePanels();
-    summary = buildReplaySummaryAt(safeIndex);
+    summary = nextSummary;
     hasSignalData = true;
   }
 
@@ -911,16 +928,37 @@
     };
   }
 
-  function isZeroLikeValue(value: number): boolean {
-    return !Number.isFinite(value) || Math.abs(value) < 0.0001;
+  function normalizeResultantForce(value: number): number {
+    if (!Number.isFinite(value)) {
+      return 0;
+    }
+
+    return value <= resultantForceZeroThreshold ? 0 : value;
   }
 
-  function shouldHideSummary(points: number[]): boolean {
-    return points.length === 0 || points.every((value) => isZeroLikeValue(value));
+  function normalizeNullableResultantForce(value: number | null): number | null {
+    return value == null ? null : normalizeResultantForce(value);
   }
 
   function normalizeSummary(summaryValue: HudSummary): HudSummary {
-    return shouldHideSummary(summaryValue.points) ? buildEmptySummary() : summaryValue;
+    if (summaryValue.points.length === 0) {
+      return {
+        ...summaryValue,
+        latest: normalizeNullableResultantForce(summaryValue.latest),
+        min: normalizeNullableResultantForce(summaryValue.min),
+        max: normalizeNullableResultantForce(summaryValue.max)
+      };
+    }
+
+    const points = summaryValue.points.map(normalizeResultantForce);
+
+    return {
+      ...summaryValue,
+      points,
+      latest: points[points.length - 1],
+      min: Math.min(...points),
+      max: Math.max(...points)
+    };
   }
 
   function buildSummary(points: number[], xValues: number[] = []): HudSummary {
@@ -928,7 +966,8 @@
       return buildEmptySummary();
     }
 
-    const resolvedXValues = points.map((_, index) => {
+    const normalizedPoints = points.map(normalizeResultantForce);
+    const resolvedXValues = normalizedPoints.map((_, index) => {
       const x = xValues[index];
       return Number.isFinite(x) ? Number(x) : index + 1;
     });
@@ -936,10 +975,10 @@
     return {
       label: "Resultant Force",
       xValues: resolvedXValues,
-      points,
-      latest: points[points.length - 1],
-      min: Math.min(...points),
-      max: Math.max(...points)
+      points: normalizedPoints,
+      latest: normalizedPoints[normalizedPoints.length - 1],
+      min: Math.min(...normalizedPoints),
+      max: Math.max(...normalizedPoints)
     };
   }
 
@@ -985,20 +1024,21 @@
     if (replayHasData) {
       return;
     }
+    const normalizedSummary = normalizeSummary(packet.summary);
     signalPanels = showSignalPanels ? packet.panels : buildInactivePanels();
-    if (packet.summary.points.length > 0) {
+    if (normalizedSummary.points.length > 0) {
       const nowSeconds = Math.round((Date.now() - sessionStartedAt) / 100) / 10;
-      const pointCount = packet.summary.points.length;
+      const pointCount = normalizedSummary.points.length;
       const spacing =
         pointCount > 1 ? Math.min(1.2, nowSeconds / Math.max(pointCount - 1, 1)) : 0;
       const startX = Math.max(0, nowSeconds - spacing * Math.max(pointCount - 1, 0));
-      const xValues = packet.summary.points.map((_, index) => Math.round((startX + index * spacing) * 10) / 10);
-      summary = { ...packet.summary, xValues };
+      const xValues = normalizedSummary.points.map((_, index) => Math.round((startX + index * spacing) * 10) / 10);
+      summary = { ...normalizedSummary, xValues };
     } else {
-      summary = packet.summary;
+      summary = normalizedSummary;
     }
-    pressureMatrix = packet.pressureMatrix;
-    hasSignalData = signalPanels.length > 0 || packet.summary.points.length > 0;
+    pressureMatrix = resolvePressureMatrixForSummary(packet.pressureMatrix, normalizedSummary);
+    hasSignalData = signalPanels.length > 0 || normalizedSummary.points.length > 0;
   }
 
   function clearHudPanels(): void {