diff --git a/__init__.py b/__init__.py
index 739b414..1694e60 100644
--- a/__init__.py
+++ b/__init__.py
@@ -11,9 +11,12 @@ Comfyui_o1key - ComfyUI 自定义节点集合
 
 # 检查更新（仅在启动时检查一次）
 try:
-    from .utils.update_checker import check_for_updates, notify_update_available
+    from .utils.update_checker import check_for_updates, notify_update_available, notify_new_version
 
     notify_update_available()  # TODO: 测试用，改回 if check_for_updates(): notify_update_available()
+
+    if check_for_updates():
+        notify_new_version()
 except Exception:
     # 静默失败，不影响插件加载
     pass
diff --git a/utils/update_checker.py b/utils/update_checker.py
index b0ae28f..416482d 100644
--- a/utils/update_checker.py
+++ b/utils/update_checker.py
@@ -71,6 +71,47 @@ def check_for_updates() -> bool:
         return False
 
 
+def get_update_changelog() -> list:
+    """获取远程新版本的 commit 摘要（最多3条）"""
+    try:
+        plugin_dir = os.path.dirname(os.path.dirname(__file__))
+        result = subprocess.run(
+            ['git', 'log', 'HEAD..origin/main', '--pretty=format:%s', '--no-merges'],
+            cwd=plugin_dir,
+            capture_output=True,
+            text=True,
+            encoding='utf-8'
+        )
+        lines = [l.strip() for l in result.stdout.strip().splitlines() if l.strip()]
+        return lines[:3]
+    except Exception:
+        return []
+
+
+def notify_new_version():
+    """检测到新版本时，推送蓝色更新通知弹框"""
+    changelog = get_update_changelog()
+    print("[o1key] 检测到新版本，准备推送更新通知")
+
+    try:
+        import threading
+        from server import PromptServer
+
+        def _send():
+            try:
+                PromptServer.instance.send_sync(
+                    "o1key.new_version",
+                    {"changelog": changelog}
+                )
+                print("[o1key] 新版本通知已发送到前端")
+            except Exception as e:
+                print(f"[o1key] 发送新版本通知失败: {e}")
+
+        threading.Timer(5.0, _send).start()
+    except Exception:
+        pass
+
+
 def notify_update_available():
     """通知用户有更新可用（前端弹窗 + 控制台）"""
     current_version = get_current_version()
diff --git a/web/js/updateNotifier.js b/web/js/updateNotifier.js
index cdf1707..09cf5e9 100644
--- a/web/js/updateNotifier.js
+++ b/web/js/updateNotifier.js
@@ -71,3 +71,72 @@ api.addEventListener("o1key.update_available", (event) => {
     toast.appendChild(text);
     document.body.appendChild(toast);
 });
+
+api.addEventListener("o1key.new_version", (event) => {
+    const changelog = event.detail?.changelog || [];
+
+    const style = document.createElement("style");
+    style.textContent = `
+        @keyframes o1key-slide-in {
+            from { opacity: 0; transform: translateY(16px) scale(0.97); }
+            to   { opacity: 1; transform: translateY(0) scale(1); }
+        }
+        .o1key-update-close:hover { color: #fff !important; }
+    `;
+    document.head.appendChild(style);
+
+    const toast = document.createElement("div");
+    toast.style.cssText = `
+        position: fixed;
+        bottom: 148px;
+        left: 28px;
+        background: linear-gradient(135deg, #0a1628 0%, #0d2b4e 60%, #1a4a7a 100%);
+        color: #d6eaf8;
+        border: 1px solid #2e86c1;
+        border-radius: 12px;
+        padding: 18px 20px 16px 20px;
+        font-size: 14px;
+        z-index: 100000;
+        box-shadow: 0 6px 24px rgba(46,134,193,0.35), 0 2px 8px rgba(0,0,0,0.5);
+        max-width: 340px;
+        animation: o1key-slide-in 0.4s cubic-bezier(.22,.68,0,1.2);
+    `;
+
+    const header = document.createElement("div");
+    header.style.cssText = `display: flex; align-items: center; justify-content: space-between; margin-bottom: 10px;`;
+
+    const title = document.createElement("span");
+    title.textContent = "🔔 检测到有新版本发布！";
+    title.style.cssText = `font-weight: bold; font-size: 13px; color: #7fb3d3; letter-spacing: 0.5px;`;
+
+    const closeBtn = document.createElement("button");
+    closeBtn.textContent = "×";
+    closeBtn.className = "o1key-update-close";
+    closeBtn.style.cssText = `background: none; border: none; color: #7fb3d3; font-size: 20px; cursor: pointer; padding: 0; line-height: 1;`;
+    closeBtn.onclick = () => toast.remove();
+
+    header.appendChild(title);
+    header.appendChild(closeBtn);
+
+    const divider = document.createElement("div");
+    divider.style.cssText = `height: 1px; background: rgba(46,134,193,0.3); margin-bottom: 10px;`;
+
+    const body = document.createElement("div");
+    const items = changelog.length > 0 ? changelog : ["暂无更新说明"];
+    items.forEach(item => {
+        const line = document.createElement("div");
+        line.textContent = `• ${item}`;
+        line.style.cssText = `margin-bottom: 4px; font-size: 13px; line-height: 1.6; color: #d6eaf8;`;
+        body.appendChild(line);
+    });
+
+    const more = document.createElement("div");
+    more.textContent = "...";
+    more.style.cssText = `color: #7fb3d3; font-size: 13px; margin-top: 4px;`;
+    body.appendChild(more);
+
+    toast.appendChild(header);
+    toast.appendChild(divider);
+    toast.appendChild(body);
+    document.body.appendChild(toast);
+});