FEAT => 本次更新项目为：

设备绑定指引

nkebao/src/utils/device.ts

@@ -0,0 +1,30 @@
+import { getDashboard } from "@/pages/mobile/home/api";
+
+/**
+ * 更新设备数量到store
+ * @param setDeviceCount store中的setDeviceCount函数
+ * @returns 更新后的设备数量
+ */
+export const updateDeviceCount = async (
+  setDeviceCount: (count: number) => void,
+): Promise<number> => {
+  try {
+    const dashboardData = await getDashboard();
+    const deviceCount = dashboardData?.deviceNum || 0;
+    setDeviceCount(deviceCount);
+    return deviceCount;
+  } catch (error) {
+    console.error("更新设备数量失败:", error);
+    setDeviceCount(0);
+    return 0;
+  }
+};
+
+/**
+ * 检查是否需要设备绑定
+ * @param deviceCount 设备数量
+ * @returns 是否需要设备绑定
+ */
+export const needsDeviceBinding = (deviceCount: number): boolean => {
+  return deviceCount === 0;
+};