diff --git a/.gitignore b/.gitignore
index 965a72353..c5ef78cd1 100644
--- a/.gitignore
+++ b/.gitignore
@@ -99,13 +99,13 @@ scripts/loadtest/data/latest-*-prefix.txt
 
 # 仓库根目录下手工下载的 3D 样例模型（Tripo 联调 / 查看器排查用），不入库；
 # glTF / FBX 多文件产物会带着 .bin 缓冲与贴图落在同一目录，一并忽略
-/*.glb
-/*.gltf
-/*.fbx
-/*.bin
-/*.png
-/*.jpg
-/*.jpeg
-/*.webp
-/*.ktx2
-/*.tga
+/*.[gG][lL][bB]
+/*.[gG][lL][tT][fF]
+/*.[fF][bB][xX]
+/*.[bB][iI][nN]
+/*.[pP][nN][gG]
+/*.[jJ][pP][gG]
+/*.[jJ][pP][eE][gG]
+/*.[wW][eE][bB][pP]
+/*.[kK][tT][xX]2
+/*.[tT][gG][aA]