diff --git a/source/version_two/user_guide/assembly_test/3dslam.md b/source/version_two/user_guide/assembly_test/3dslam.md
index db7849d..0613756 100644
--- a/source/version_two/user_guide/assembly_test/3dslam.md
+++ b/source/version_two/user_guide/assembly_test/3dslam.md
@@ -47,4 +47,4 @@
 
 
 ### 电气拓扑
-
+![](./imgs/autolabor_navigationkit_3d_electrical_topology.svg)