diff --git a/README.md b/README.md
index dc5956d..93ff4cc 100644
--- a/README.md
+++ b/README.md
@@ -1,3 +1,7 @@
+一个imgui框架, 方便使用imgui
+
+**注意需要使用docking分支**
+
 示例:
 
 ```
diff --git a/imgui b/imgui
index 21581cf..66ed89b 160000
--- a/imgui
+++ b/imgui
@@ -1 +1 @@
-Subproject commit 21581cf70cef16db7e9a7095703f3233997596ff
+Subproject commit 66ed89b0cabf454bf71f0837d9a98db690e7a0e3