diff --git a/README.md b/README.md
index 460b782..075b41f 100644
--- a/README.md
+++ b/README.md
@@ -107,7 +107,10 @@ flowchart TB
 
     subgraph Platform["Platform (平台层)"]
         direction TB
-        SDL2[SDL2 Backend<br/>SDL2 后端]
+        subgraph WindowBackends["窗口后端"]
+            SDL2[SDL2 Backend<br/>SDL2 后端]
+            GLFW[GLFW Backend<br/>GLFW 后端]
+        end
         INPUT_SYS[Input System<br/>输入系统]
     end
 
@@ -128,8 +131,10 @@ flowchart TB
     GL --> TEXTURE
     GL --> MEMORY
     WINDOW --> SDL2
+    WINDOW --> GLFW
     INPUT --> INPUT_SYS
     INPUT_SYS --> SDL2
+    INPUT_SYS --> GLFW
 ```
 
 ### 模块系统