diff --git a/Doc/HP-Socket-Agent-Demo.JPG b/Doc/HP-Socket-Agent-Demo.jpg
similarity index 100%
rename from Doc/HP-Socket-Agent-Demo.JPG
rename to Doc/HP-Socket-Agent-Demo.jpg
diff --git a/Doc/HP-Socket-Agent.JPG b/Doc/HP-Socket-Agent.jpg
similarity index 100%
rename from Doc/HP-Socket-Agent.JPG
rename to Doc/HP-Socket-Agent.jpg
diff --git a/Doc/HP-Socket-Client.JPG b/Doc/HP-Socket-Client.jpg
similarity index 100%
rename from Doc/HP-Socket-Client.JPG
rename to Doc/HP-Socket-Client.jpg
diff --git a/Doc/HP-Socket-Server.JPG b/Doc/HP-Socket-Server.jpg
similarity index 100%
rename from Doc/HP-Socket-Server.JPG
rename to Doc/HP-Socket-Server.jpg
diff --git a/README.md b/README.md
index 8d5cc97..5345d71 100644
--- a/README.md
+++ b/README.md
@@ -136,7 +136,7 @@ int main(int argc, char* const argv[])
 
 - ***HTTP Components***
 
-![HTTP COmponent](Doc/HTTP%20Component%20-%20mini.jpg "HTTP Component")
+![HTTP Component](Doc/HTTP%20Component%20-%20mini.jpg "HTTP Component")
 
 ## Reference Projects
 
diff --git a/README_zh.md b/README_zh.md
index 45e8830..ce1df60 100644
--- a/README_zh.md
+++ b/README_zh.md
@@ -136,7 +136,7 @@ int main(int argc, char* const argv[])
 
 - ***HTTP组件***
 
-![HTTP COmponent](Doc/HTTP%20Component%20-%20mini.jpg "HTTP 组件")
+![HTTP Component](Doc/HTTP%20Component%20-%20mini.jpg "HTTP 组件")
 
 ## 引用项目