diff --git a/src/components/equipments/SevenSegmentDisplay.vue b/src/components/equipments/SevenSegmentDisplay.vue
index cf6f06f..e7a251e 100644
--- a/src/components/equipments/SevenSegmentDisplay.vue
+++ b/src/components/equipments/SevenSegmentDisplay.vue
@@ -79,7 +79,6 @@ interface SevenSegmentDisplayProps {
   size?: number;
   color?: string;
   AFTERGLOW_BUFFER_SIZE?: number; // 余晖存储槽大小
-  AFTERGLOW_UPDATE_INTERVAL?: number; // 余晖更新间隔，单位毫秒
   pins?: {
     pinId: string;
     constraint: string;
@@ -149,17 +148,38 @@ const afterglowBuffers = ref<Record<string, boolean[]>>({
   dp: [],
 });
 
-// 更新间隔计时器
-let updateIntervalTimer: number | null = null;
+// 余晖判定阈值（比如持续10帧才算稳定，可根据刷新间隔和人眼余晖调节）
+const STABLE_THRESHOLD = 10;
 
-// 判断段是否激活 - 如果当前状态或任一历史状态为true，则视为激活
+// 实际显示的段状态（只有稳定后才改变）
+const stableSegmentStates = ref({
+  a: false,
+  b: false,
+  c: false,
+  d: false,
+  e: false,
+  f: false,
+  g: false,
+  dp: false,
+});
+
+// 每段的稳定计数器
+const segmentStableCounters = ref<Record<string, number>>({
+  a: 0,
+  b: 0,
+  c: 0,
+  d: 0,
+  e: 0,
+  f: 0,
+  g: 0,
+  dp: 0,
+});
+
+// 判断段是否激活（用稳定状态）
 function isSegmentActive(
   segment: "a" | "b" | "c" | "d" | "e" | "f" | "g" | "dp",
 ): boolean {
-  return (
-    segmentStates.value[segment] ||
-    afterglowBuffers.value[segment].some((state) => state)
-  );
+  return stableSegmentStates.value[segment];
 }
 
 // 更新引脚状态的函数
@@ -181,28 +201,38 @@ function updateSegmentStates() {
     updateAfterglowBuffers();
   }
 
+  // 先更新 segmentStates
   for (const pin of props.pins) {
     if (["a", "b", "c", "d", "e", "f", "g", "dp"].includes(pin.pinId)) {
-      // 如果constraint为空，则默认为未激活状态
       if (!pin.constraint) {
-        segmentStates.value[pin.pinId as keyof typeof segmentStates.value] =
-          false;
+        segmentStates.value[pin.pinId as keyof typeof segmentStates.value] = false;
         continue;
       }
-
       const pinState = getConstraintState(pin.constraint);
       let newState: boolean;
       if (props.cathodeType === "common") {
-        // 共阴极: 高电平激活段
         newState = pinState === "high";
       } else {
-        // 共阳极: 低电平激活段
         newState = pinState === "low";
       }
+      segmentStates.value[pin.pinId as keyof typeof segmentStates.value] = newState && comActive;
+    }
+  }
 
-      // 更新当前状态
-      segmentStates.value[pin.pinId as keyof typeof segmentStates.value] =
-        newState && comActive;
+  // 余晖判定：只有新状态持续 STABLE_THRESHOLD 次才更新 stableSegmentStates
+  for (const segmentId of ["a", "b", "c", "d", "e", "f", "g", "dp"]) {
+    const typedSegmentId = segmentId as keyof typeof segmentStates.value;
+    const current = segmentStates.value[typedSegmentId];
+    const stable = stableSegmentStates.value[typedSegmentId];
+
+    if (current === stable) {
+      segmentStableCounters.value[segmentId] = 0; // 状态一致，计数器清零
+    } else {
+      segmentStableCounters.value[segmentId]++;
+      if (segmentStableCounters.value[segmentId] >= STABLE_THRESHOLD) {
+        stableSegmentStates.value[typedSegmentId] = current;
+        segmentStableCounters.value[segmentId] = 0;
+      }
     }
   }
 }
@@ -225,23 +255,6 @@ function updateAfterglowBuffers() {
   }
 }
 
-// 开始余晖更新间隔
-function startAfterglowUpdates() {
-  if (updateIntervalTimer) return;
-
-  updateIntervalTimer = window.setInterval(() => {
-    updateSegmentStates();
-  }, props.AFTERGLOW_UPDATE_INTERVAL);
-}
-
-// 停止余晖更新间隔
-function stopAfterglowUpdates() {
-  if (updateIntervalTimer) {
-    window.clearInterval(updateIntervalTimer);
-    updateIntervalTimer = null;
-  }
-}
-
 // 监听约束状态变化
 function onConstraintChange(constraint: string, level: string) {
   const affectedPin = props.pins.find((pin) => pin.constraint === constraint);
@@ -261,12 +274,6 @@ onMounted(() => {
 
   updateSegmentStates();
   onConstraintStateChange(onConstraintChange);
-  startAfterglowUpdates();
-});
-
-onUnmounted(() => {
-  // 清理约束状态监听
-  stopAfterglowUpdates();
 });
 
 // 暴露属性和方法