diff --git a/ios/CDrop/Sources/Engine/EngineController.swift b/ios/CDrop/Sources/Engine/EngineController.swift
index 51e1c74..fdab65d 100644
--- a/ios/CDrop/Sources/Engine/EngineController.swift
+++ b/ios/CDrop/Sources/Engine/EngineController.swift
@@ -1012,20 +1012,29 @@ extension EngineController: WKScriptMessageHandler
                 if logs.count > Self.logsCap { logs.removeLast(logs.count - Self.logsCap) }
             }
         case "clipboard":
-            // 引擎拉回的云剪贴板内容 → 写入本机 UIPasteboard。
-            if let p = payload as? [String: Any], let content = p["content"] as? String, !content.isEmpty
+            // 云剪贴板内容 → 写入本机剪贴板。auto=true 为远端自动下行（JS 在 isIOSShell 时对 clipboard:update
+            // 附加）：iOS 不自动写系统剪贴板（后台受限 + 隐私，仍走控制中心手动拉取），故忽略 auto；macOS 写入
+            // 且不弹提示（避免每次远端变化刷屏）。auto=false 为用户手动拉取：两端都写并提示。
+            let clip = payload as? [String: Any]
+            let clipContent = clip?["content"] as? String ?? ""
+            let clipAuto = (clip?["auto"] as? Bool) ?? false
+            if !clipContent.isEmpty
             {
                 #if os(macOS)
-                // 先武装自写守卫（令剪贴板自动同步 monitor 认出刚拉取写入的内容为自身回声、不再上传），再写。
-                MacClipboardMonitor.shared.armSelfWrite(content)
+                // 先武装自写守卫（令自动同步 monitor 认出刚写入的内容为自身回声、不再上传），再写。
+                MacClipboardMonitor.shared.armSelfWrite(clipContent)
                 NSPasteboard.general.clearContents()
-                NSPasteboard.general.setString(content, forType: .string)
+                NSPasteboard.general.setString(clipContent, forType: .string)
+                if !clipAuto { notify(t("ios.clipboard.pulled"), kind: .success) }
                 #else
-                UIPasteboard.general.string = content
+                if !clipAuto
+                {
+                    UIPasteboard.general.string = clipContent
+                    notify(t("ios.clipboard.pulled"), kind: .success)
+                }
                 #endif
-                notify(t("ios.clipboard.pulled"), kind: .success)
             }
-            else
+            else if !clipAuto
             {
                 notify(t("ios.clipboard.empty"), kind: .info)
             }
diff --git a/web/src/features/clipboard/clipboard.ts b/web/src/features/clipboard/clipboard.ts
index 6852490..b849664 100644
--- a/web/src/features/clipboard/clipboard.ts
+++ b/web/src/features/clipboard/clipboard.ts
@@ -1,5 +1,6 @@
 import { apiFetch } from "../../net/api";
 import { writeNativeClipboard } from "../../net/desktop";
+import { isIOSShell, notifyNative } from "../../net/ios";
 import { useAppStore, type ClipboardState } from "../../store";
 import { t } from "../../i18n";
 
@@ -181,6 +182,16 @@ export function applyRemoteClipboard(state: ClipboardState): void
     if (!selfDevice || state.sourceDevice !== selfDevice)
     {
         writeNativeClipboard(state.content, state.sourceDevice);
+        // 原生壳（iOS/Mac WebView 引擎）：远端剪贴板更新过桥给原生（下行自动同步）。平台差异由原生侧
+        // 处理——macOS 静默写系统剪贴板，iOS 忽略 auto（后台受限 + 隐私，仍走控制中心手动拉取）。
+        if (isIOSShell())
+        {
+            notifyNative("clipboard", {
+                content: state.content,
+                sourceDevice: state.sourceDevice,
+                auto: true,
+            });
+        }
     }
 }