diff --git a/zh-cn/third-party-cases/multi-device-app-dev.md b/zh-cn/third-party-cases/multi-device-app-dev.md
index 917f7948204dfa3d64d1d4bf15ad2b61bab48385..dfea7bac9ba0abcd0f33e8e7a19a98a5ecde1756 100644
--- a/zh-cn/third-party-cases/multi-device-app-dev.md
+++ b/zh-cn/third-party-cases/multi-device-app-dev.md
@@ -9,9 +9,11 @@
 
 ## 效果呈现
 效果图如下所示（模拟器设备：phone、Foldable）：
+
 phone设备效果图：
 
 ![navigation_phone](figures/navigation_phone.PNG) 
+
 Foldable设备效果图：
 
 ![navigation_Foldable](figures/navigation_Foldable.PNG)