diff --git a/ShadowsocksX-NG2/App/CatalogCommitCoordinator.swift b/ShadowsocksX-NG2/App/CatalogCommitCoordinator.swift
index 5ba4c683..6300c5db 100644
--- a/ShadowsocksX-NG2/App/CatalogCommitCoordinator.swift
+++ b/ShadowsocksX-NG2/App/CatalogCommitCoordinator.swift
@@ -89,9 +89,13 @@ protocol CatalogRuntimeSyncing: AnyObject {
 /// 或启动耗时阻塞。每次提交递增代次：旧代次自然结束，但不得覆盖最新代次的
 /// 最终状态；没有自动重试，后续提交、显式激活或启动代理会发起新的同步尝试。
 @MainActor
-final class CatalogCommitCoordinator: ObservableObject {
-  /// 最新提交的运行时收敛阶段（结构化；呈现由上层决定）。
-  @Published private(set) var syncStatus: RuntimeSyncStatus = .idle
+final class CatalogCommitCoordinator {
+  /// 最新提交的运行时收敛阶段（结构化；呈现由上层决定）。存储与发布单点
+  /// 在本类：写后经 `syncStatusChanges`（didChange 语义）通知；目录工作流
+  /// 只透传读面，不再挂第二份 `@Published`。
+  private(set) var syncStatus: RuntimeSyncStatus = .idle
+  /// 收敛阶段变化通道（didChange 语义，值即当前阶段）。
+  let syncStatusChanges = PassthroughSubject<RuntimeSyncStatus, Never>()
 
   let fileStore: CatalogFileStore
   private let runtime: CatalogRuntimeSyncing
@@ -159,18 +163,24 @@ final class CatalogCommitCoordinator: ObservableObject {
     generation += 1
     let generation = generation
     guard runtime.hasActiveTarget else {
-      syncStatus = .idle
+      setSyncStatus(.idle)
       return
     }
-    syncStatus = .syncing(generation: generation)
+    setSyncStatus(.syncing(generation: generation))
     Task { @MainActor [weak self] in
       guard let self, self.generation == generation else { return }
       let outcome = await self.runtime.converge(to: snapshot)
       guard !Task.isCancelled, self.generation == generation else { return }
-      self.syncStatus = .finished(generation: generation, outcome: outcome)
+      self.setSyncStatus(.finished(generation: generation, outcome: outcome))
     }
   }
 
+  /// 写入与通知的唯一口径：先落值后发值（didChange 语义）。
+  private func setSyncStatus(_ status: RuntimeSyncStatus) {
+    syncStatus = status
+    syncStatusChanges.send(status)
+  }
+
   /// 磁盘读取的容错口径与首次加载一致：损坏文档回退全新空文档，等待
   /// 用户经由导入/设置路径修复。
   private static func loadCommitted(
diff --git a/ShadowsocksX-NG2/App/CatalogWorkflow/CatalogWorkflow.swift b/ShadowsocksX-NG2/App/CatalogWorkflow/CatalogWorkflow.swift
index 8894e465..a5f57374 100644
--- a/ShadowsocksX-NG2/App/CatalogWorkflow/CatalogWorkflow.swift
+++ b/ShadowsocksX-NG2/App/CatalogWorkflow/CatalogWorkflow.swift
@@ -27,8 +27,16 @@ final class CatalogWorkflow: ObservableObject {
   /// outcome；持久化目录只保存安全的 typed failure facts。
   @Published private(set) var subscriptionRefreshFailures:
     [NodeID: SubscriptionRefreshFailureResult] = [:]
-  /// 最近一次提交的运行时收敛阶段（与目录提交成功分离，story 38）。
-  @Published private(set) var runtimeSync: RuntimeSyncStatus
+  /// 最近一次提交的运行时收敛阶段（与目录提交成功分离，story 38）。存储与
+  /// 发布单点在提交协调器，此处只透传读面；需要实时更新的表面订阅
+  /// `runtimeSyncChanges`（`.onReceive` 消费），不经本类 objectWillChange——
+  /// App 侧目前无视图消费者，避免每次提交徒劳失效全部目录观察者。
+  var runtimeSync: RuntimeSyncStatus { dependencies.coordinator.syncStatus }
+
+  /// 收敛阶段变化通道（didChange 语义，值即当前阶段）。
+  var runtimeSyncChanges: AnyPublisher<RuntimeSyncStatus, Never> {
+    dependencies.coordinator.syncStatusChanges.eraseToAnyPublisher()
+  }
   /// Legacy 快照发现与一次性完成标记。
   @Published private(set) var legacyImportState = LegacyImportAvailability(
     snapshotFound: false, completed: false)
@@ -53,8 +61,6 @@ final class CatalogWorkflow: ObservableObject {
     subscriptions = Self.subscriptionSummaries(
       coordinator.committedSubscriptions, catalog: coordinator.committedCatalog,
       credentials: dependencies.credentials)
-    runtimeSync = coordinator.syncStatus
-    coordinator.$syncStatus.assign(to: &$runtimeSync)
     refreshLegacyImportState()
   }