diff --git a/zh-cn/device-dev/driver/driver-hdf-load.md b/zh-cn/device-dev/driver/driver-hdf-load.md
index c764f5f23c5a681343f0a22e8e618783fb178087..abd9bd36c4265d8e77e87f0388316657afe1a484 100644
--- a/zh-cn/device-dev/driver/driver-hdf-load.md
+++ b/zh-cn/device-dev/driver/driver-hdf-load.md
@@ -11,8 +11,8 @@ HDF驱动框架提供把和配置的设备列表匹配成功的驱动程序加
 ```c
 typedef enum {
     DEVICE_PRELOAD_ENABLE = 0,
-    DEVICE_PRELOAD_ENABLE_STEP2,
-    DEVICE_PRELOAD_DISABLE,
+    DEVICE_PRELOAD_ENABLE_STEP2 = 1,
+    DEVICE_PRELOAD_DISABLE = 2,
     DEVICE_PRELOAD_INVALID
 } DevicePreload;
 ```