diff --git a/docs/en/uiflow/Units.md b/docs/en/uiflow/Units.md
index 23047661..82821be4 100644
--- a/docs/en/uiflow/Units.md
+++ b/docs/en/uiflow/Units.md
@@ -682,7 +682,7 @@ ________________________
 
 > Infrared temperature measurement matrix, return to thermal imaging picture
 
-><img src="/image/Units/THERMAL.png" width="60%"> 
+><img src="/image/Units/Thermal.png" width="60%"> 
 
 >* __getTmp X Y__
 Get the temperature at (X, Y) position
diff --git a/docs/zh_CN/uiflow/Units.md b/docs/zh_CN/uiflow/Units.md
index c3ea68b9..6a6eb8d4 100644
--- a/docs/zh_CN/uiflow/Units.md
+++ b/docs/zh_CN/uiflow/Units.md
@@ -682,7 +682,7 @@ ________________________
 
 > 红外测温矩阵，返回热成像图片
 
-><img src="/image/Units/THERMAL.png" width="60%"> 
+><img src="/image/Units/Thermal.png" width="60%"> 
 
 >* __getTmp X Y__
 获取(X,Y)位置的温度