diff --git a/README.md b/README.md
index b1fd43f0..e18145ab 100644
--- a/README.md
+++ b/README.md
@@ -35,7 +35,7 @@ English / [中文](README_zh.md) &nbsp;&nbsp; | &nbsp;&nbsp; <a href="https://gi
 11. Fix a bug that `Geometry` can not be serialized due to the upgrade of `three.js`.
 12. Add material `polygonOffset`, `polygonOffsetFactor`, `polygonOffsetUnits` parameter visualization settings to solve the problem of depth conflict.
 13. Fix a bug that component in mesh cannot save the `visible` attribute.
-14. Fix a bug that `gltf` is recognised wrongly as `bin` mesh type as some `gltf`s has a `bin` file. 
+14. `Bin` type model is no longer supported.
 
 ## v0.5.10 has Released
 
diff --git a/README_zh.md b/README_zh.md
index 66a2b4fa..3077fc10 100644
--- a/README_zh.md
+++ b/README_zh.md
@@ -35,7 +35,7 @@
 11. 修复由于`three.js`升级，导致`Geometry`无法序列化的bug。
 12. 增加材质`polygonOffset`、`polygonOffsetFactor`、`polygonOffsetUnits`参数可视化设置，解决深度冲突问题。
 13. 修复模型内部组件无法保存可视性bug。
-14. 修复`gltf`被错误的判断为`bin`类型，因为有的`gltf`带一个`bin`文件。
+14. 不再支持`bin`类型模型。
 
 ## v0.5.10已经发布
 
diff --git a/server/server/assets/mesh/handle_add.go b/server/server/assets/mesh/handle_add.go
index 59e180ba..5418e1c4 100644
--- a/server/server/assets/mesh/handle_add.go
+++ b/server/server/assets/mesh/handle_add.go
@@ -131,14 +131,9 @@ func Add(w http.ResponseWriter, r *http.Request) {
 			meshType = Assimp
 			break
 		} else if strings.HasSuffix(strings.ToLower(info.Name()), ".gltf") {
-			// bug: gltf要在bin类型之前识别，因为有的gltf带bin文件
 			entryFileName = fmt.Sprintf("%v/%v", savePath, info.Name())
 			meshType = Gltf
 			break
-		} else if strings.HasSuffix(strings.ToLower(info.Name()), ".bin") {
-			entryFileName = fmt.Sprintf("%v/%v", savePath, info.Name())
-			meshType = Binary
-			break
 		} else if strings.HasSuffix(strings.ToLower(info.Name()), ".json") {
 			entryFileName = fmt.Sprintf("%v/%v", savePath, info.Name())
 			meshType = JSON