diff --git a/source/user_guide/assembly_test/doc.md b/source/user_guide/assembly_test/doc.md
index 0fdfdca..28967fc 100644
--- a/source/user_guide/assembly_test/doc.md
+++ b/source/user_guide/assembly_test/doc.md
@@ -21,7 +21,7 @@
 
 ![](./imgs/lidar_test.png)
 
-2. IMU测试
+2. 惯导测试
 
 ![](./imgs/imu_test.png)
 
diff --git a/source/user_guide/reference/doc.md b/source/user_guide/reference/doc.md
index de3e5ae..f56b9ed 100644
--- a/source/user_guide/reference/doc.md
+++ b/source/user_guide/reference/doc.md
@@ -8,7 +8,7 @@
 
 > http://www.faselase.com/chanpinshuomingshuxiazai.html
 
-* 瑞芬星通 AH100B IMU
+* 瑞芬星通 AH100B 惯导
 
 > http://rion-star.com/cpzx/gxdh/AH100B/2018/0204/112.html