diff --git a/Packages/XStatsKit/Sources/SMC/FanControl.swift b/Packages/XStatsKit/Sources/SMC/FanControl.swift
index 2d91651..50585ea 100644
--- a/Packages/XStatsKit/Sources/SMC/FanControl.swift
+++ b/Packages/XStatsKit/Sources/SMC/FanControl.swift
@@ -47,9 +47,15 @@ extension Array where Element == FanState {
 /// 超时后保留真实的 0 RPM，直到风扇转动或起步条件消失才允许开始新的窗口。
 struct FanStartupTracker {
     private var startedAt: [Int: TimeInterval] = [:]
+    /// 曾读到状态键的风扇；之后读不到视为偶发失败，沿用原窗口而不是改用手动目标推断。
+    private var reportsStatus: Set<Int> = []
 
     mutating func update(id: Int, current: Double, target: Double, isManual: Bool,
                          status: Double?, now: TimeInterval) -> Bool {
+        if status != nil { reportsStatus.insert(id) }
+        if current == 0, status == nil, reportsStatus.contains(id) {
+            return startedAt[id].map { now - $0 < 10 } ?? false
+        }
         let starting = status.map { $0 == 1 } ?? (isManual && target.isFinite && target > 0)
         guard current == 0, starting else {
             startedAt[id] = nil
@@ -64,6 +70,7 @@ struct FanStartupTracker {
         // nil 是读取失败，不能当作确认无风扇，否则会重新开始已超时的提示。
         guard let fanCount else { return }
         startedAt = startedAt.filter { (0..<fanCount).contains($0.key) }
+        reportsStatus = reportsStatus.filter { (0..<fanCount).contains($0) }
     }
 }
 
diff --git a/Packages/XStatsKit/Sources/XStatsUI/Displays/DisplayDetails.swift b/Packages/XStatsKit/Sources/XStatsUI/Displays/DisplayDetails.swift
index b42bce4..880cbce 100644
--- a/Packages/XStatsKit/Sources/XStatsUI/Displays/DisplayDetails.swift
+++ b/Packages/XStatsKit/Sources/XStatsUI/Displays/DisplayDetails.swift
@@ -16,7 +16,8 @@ struct DisplayDetails: View {
             if model.displays.catalog.isEmpty {
                 Text(tr("没有检测到显示器")).dsFont(.sm).foregroundStyle(DS.Palette.textSecondary)
             }
-            ForEach(model.displays.catalog) { display in
+            // CG 编号会复用，按连接身份区分行，换屏后丢弃旧行的拖动草稿，避免写到新显示器。
+            ForEach(model.displays.catalog, id: \.target) { display in
                 VStack(alignment: .leading, spacing: DS.Space.s2) {
                     HStack {
                         Label(display.name, systemImage: display.isBuiltIn ? "laptopcomputer" : "display")
@@ -62,7 +63,7 @@ private struct DisplayControlRow: View {
                 Text(control.title).dsFont(.sm)
                 Spacer()
                 if let value {
-                    Text(verbatim: ((editing || submitting) ? (draft ?? value.percent) : value.percent).formatted(.number.precision(.fractionLength(0)).locale(L10n.locale)) + "%")
+                    Text(verbatim: (((editing || submitting) ? (draft ?? value.percent) : value.percent) / 100).formatted(.percent.precision(.fractionLength(0)).locale(L10n.locale)))
                         .dsFont(.sm, weight: .medium).monospacedDigit()
                 } else {
                     Text(status).dsFont(.xs).foregroundStyle(DS.Palette.textSecondary)
diff --git a/Packages/XStatsKit/Tests/MetricsTests/FanStartupTests.swift b/Packages/XStatsKit/Tests/MetricsTests/FanStartupTests.swift
index 915a5ce..21f7a92 100644
--- a/Packages/XStatsKit/Tests/MetricsTests/FanStartupTests.swift
+++ b/Packages/XStatsKit/Tests/MetricsTests/FanStartupTests.swift
@@ -32,7 +32,7 @@ struct FanStartupTests {
         #expect(!result7)
         let result8 = tracker.update(id: 0, current: 0, target: 0, isManual: true, status: nil, now: 2)
         #expect(!result8)
-        let result9 = tracker.update(id: 0, current: 0, target: 2000, isManual: true, status: 3, now: 3)
+        let result9 = tracker.update(id: 1, current: 0, target: 2000, isManual: true, status: 3, now: 3)
         #expect(!result9)
         let result10 = tracker.update(id: 0, current: 0, target: 2000, isManual: true, status: nil, now: 4)
         #expect(result10)
@@ -58,6 +58,20 @@ struct FanStartupTests {
         #expect(result17)
     }
 
+    @Test func transientStatusFailureKeepsTheFirmwareWindow() {
+        var tracker = FanStartupTracker()
+        let initiallyStarting = tracker.update(id: 0, current: 0, target: 0, isManual: false, status: 1, now: 0)
+        #expect(initiallyStarting)
+        let duringFailure = tracker.update(id: 0, current: 0, target: 0, isManual: false, status: nil, now: 5)
+        #expect(duringFailure)
+        let expiredDuringFailure = tracker.update(id: 0, current: 0, target: 0, isManual: false, status: nil, now: 11)
+        #expect(!expiredDuringFailure)
+        let afterRecovery = tracker.update(id: 0, current: 0, target: 0, isManual: false, status: 1, now: 12)
+        #expect(!afterRecovery)
+        let failureWithManualTarget = tracker.update(id: 0, current: 0, target: 2000, isManual: true, status: nil, now: 13)
+        #expect(!failureWithManualTarget)
+    }
+
     @Test func failedFanCountDoesNotRestartAnExpiredWindow() {
         var tracker = FanStartupTracker()
         let initiallyStarting = tracker.update(id: 0, current: 0, target: 2000, isManual: true, status: nil, now: 0)
diff --git a/Packages/XStatsKit/Tests/MetricsTests/MetricsTests.swift b/Packages/XStatsKit/Tests/MetricsTests/MetricsTests.swift
index 6688074..0a34608 100644
--- a/Packages/XStatsKit/Tests/MetricsTests/MetricsTests.swift
+++ b/Packages/XStatsKit/Tests/MetricsTests/MetricsTests.swift
@@ -208,12 +208,14 @@ struct LiveSamplerTests {
         let marker = FileManager.default.temporaryDirectory.appending(path: "xstats-process-\(UUID().uuidString)")
         defer { try? FileManager.default.removeItem(at: marker) }
         let clock = ContinuousClock()
+        // 在采样线程内记录返回时刻，避免并发线程池繁忙时 await 恢复延迟计入取消耗时。
         let task = Task.detached {
-            NetworkProcessSampler.run(
+            let output = NetworkProcessSampler.run(
                 path: "/bin/sh",
                 arguments: ["-c", "touch \"$1\"; sleep 5", "xstats-test", marker.path],
                 timeout: 5
             )
+            return (output, clock.now)
         }
 
         let launchDeadline = clock.now + .seconds(5)
@@ -223,11 +225,11 @@ struct LiveSamplerTests {
         try #require(FileManager.default.fileExists(atPath: marker.path))
         let cancelled = clock.now
         task.cancel()
-        let output = await task.value
+        let (output, returned) = await task.value
 
         #expect(output == nil)
         // TERM、KILL 和管道排空可各等待 0.5 秒；留出 CI 调度余量，仍须早于 5 秒命令完成。
-        #expect(cancelled.duration(to: clock.now) < .seconds(3))
+        #expect(cancelled.duration(to: returned) < .seconds(3))
     }
 
     @Test func parsesCloudflareTrace() {