diff --git a/Assets/UniGLTF/README.md b/Assets/UniGLTF/README.md
index 8a35a6886d..2306adaf80 100644
--- a/Assets/UniGLTF/README.md
+++ b/Assets/UniGLTF/README.md
@@ -1,15 +1,27 @@
 # UniGLTF-2.0
 
-[glTF](https://github.com/KhronosGroup/glTF) 2.0 importer and exporter.
+* Unity-Supports 2019.4 and later
+* You can import and export glTF-2.0 in Unity's editor and runtime.
+* implement `KHR_materials_unlit`
+* implement `KHR_texture_transform` (partial)
 
-Unity-2018.4 or later is supported.
+# Material
 
-Below is imported from [DamagedHelmet](https://github.com/KhronosGroup/glTF-Sample-Models/tree/master/2.0/DamagedHelmet). Using unity standard shader.
+## PBR
 
-![standard shader](doc/pbr_to_standard.png)
-![duck](doc/duck.png)
-![animation](doc/animation.gif)
-![SciFiHelmet](doc/SciFiHelmet.png)
+* Convert as much as possible between glTF pbr and Unity Standard Shader.
+* Converts metal roughness and occlusion RGBA channel incompatibility.
+
+## Unlit
+
+* import: UniGLTF's own `UniGLTF/UniUnlit` shader.
+* export: You can export `UniGLTF/UniUnlit` and Unity unilt materials.
+
+* Only `UniGLTF/UniUnlit` supports vertex colors.
+
+## URP
+
+* import only. experimental
 
 # License
 
@@ -19,7 +31,11 @@ Below is imported from [DamagedHelmet](https://github.com/KhronosGroup/glTF-Samp
 
 * https://github.com/vrm-c/UniVRM/releases
 
-UniGLTF is part of UniVRM.
-From UniVRM-0.63.2, UniGLTF is separated from UniVRM.
+# Screenshots
 
-* https://vrm.dev/docs/univrm/gltf/unigltf/
+You can import almost all of [gltf_sample_models](https://github.com/KhronosGroup/glTF-Sample-Models/tree/master/2.0)
+
+![standard shader](doc/pbr_to_standard.png)
+![duck](doc/duck.png)
+![animation](doc/animation.gif)
+![SciFiHelmet](doc/SciFiHelmet.png)