diff --git a/PlannedFunctions.md b/PlannedFunctions.md
index 6091d67a..17c4a1b5 100644
--- a/PlannedFunctions.md
+++ b/PlannedFunctions.md
@@ -2,7 +2,7 @@
 
 ### **1. Initialization & Query Functions**
 - [ ] glGetAttribLocation
-- [ ] glGetBufferParameteriv
+- [x] glGetBufferParameteriv
 - [x] glGetError
 - [ ] glGetIntegerv
 - [ ] glGetProgramiv
@@ -50,16 +50,16 @@
 ---
 
 ### **5. Buffer & Vertex Array Operations**
-- [ ] glBindBuffer
-- [ ] glBindVertexArray
-- [ ] glBufferData
-- [ ] glEnableVertexAttribArray
-- [ ] glGenBuffers
-- [ ] glGenVertexArrays
-- [ ] glMapBuffer
-- [ ] glUnmapBuffer
-- [ ] glVertexAttribIPointer
-- [ ] glVertexAttribPointer
+- [x] glBindBuffer
+- [x] glBindVertexArray
+- [x] glBufferData
+- [x] glEnableVertexAttribArray
+- [x] glGenBuffers
+- [x] glGenVertexArrays
+- [x] glMapBuffer
+- [x] glUnmapBuffer
+- [x] glVertexAttribIPointer
+- [x] glVertexAttribPointer
 
 ---
 
diff --git a/README.md b/README.md
index 0f1d7380..06bdae76 100644
--- a/README.md
+++ b/README.md
@@ -14,7 +14,7 @@
 
 | Component                      | Development Progress |
 |--------------------------------|----------------------|
-| **OpenGL State Manager**       | **6% ~ 8%**          |
+| **OpenGL State Manager**       | **25 ~ 30%**         |
 | **Abstraction Layer (MG_RHI)** | **0%**               |
 | **OpenGL ES Backend**          | **N/A** (of MG_RHI)  |
 | **Vulkan Backend**             | **planned**          |
@@ -25,7 +25,7 @@
 
 | Component                      | Development Progress\* |
 |--------------------------------|------------------------|
-| **OpenGL State Manager**       | **13 / 65**            |
+| **OpenGL State Manager**       | **24 / 65**            |
 | **Abstraction Layer (MG_RHI)** | **0 / 65**             |
 | **OpenGL ES Backend**          | **N/A** (of MG_RHI)    |
 | **Vulkan Backend**             | **planned**            |