fix: correct image reference error

修复图片引用错误

Author: SenkjM

docs/guide/drivers/dropbox.md

@@ -28,7 +28,7 @@ Dropbox Official：https://www.dropbox.com/
 - The steps are as follows:
   - If you create your own `Client ID` and `Secret`, remember to authorize them.
   - First, [click here](https://www.dropbox.com/developers/apps?_tk=pilot_lp&_ad=topbar4&_camp=myapps) to enter the Dropbox app management page and click "Create App".
-  ![Enter the page](/img/drivers/dropbox/2.png)
+  ![Enter the page](/img/drivers/dropbox/1.png)
   - After entering the app, configure the app type as shown below.
   ![App type](/img/drivers/dropbox/2.png)
   - You can get the id and secret in the red box: the upper one is the id, the lower one is the secret.

docs/zh/guide/drivers/dropbox.md

@@ -27,7 +27,7 @@ Dropbox官网：https://www.dropbox.com/
   - 获取方式如下
   - 自建`客户端ID`和`秘钥`时，记得授权
   - 首先[点击这里](https://www.dropbox.com/developers/apps?_tk=pilot_lp&_ad=topbar4&_camp=myapps)进入dropbox的应用管理界面，点击创建应用
-  ![进入界面](/img/drivers/dropbox/2.png)
+  ![进入界面](/img/drivers/dropbox/1.png)
   - 进入应用后按下图配置应用类型
   ![应用类型](/img/drivers/dropbox/2.png)
   - 在红框里可以获得id和secret，上面是id，下面是secret。