diff --git a/assets/obj4/README.md b/assets/obj4/README.md
index a1889877edb4681af434b751a0a666fa48762fcd..695d8533745c02c71b4eb7434f99814ddb948bc5 100644
--- a/assets/obj4/README.md
+++ b/assets/obj4/README.md
@@ -4,4 +4,6 @@ obj 压缩到 gltf
 
 gltf 普通压缩到 er4.glb
 
-gltf draco 压缩到 er4-1.glb
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+gltf draco 压缩到 er4-1.glb
+
+(由于 github 限制，没办法上传 obj 至 git， 后续打包的百度云)
\ No newline at end of file
diff --git a/index-draco.html b/index-draco.html
index 4b574d65648a543ddfd9e048de0ddf20ba98a239..6543e78d11baac2101354c30ca5d549a09992bac 100644
--- a/index-draco.html
+++ b/index-draco.html
@@ -100,8 +100,8 @@
 			controls.maxDistance = 10; 
 			controls.target.set(0, 0, 0);  // 旋转中心点
 
-			controls.minPolarAngle = 0.3 // 设置最小旋转角度
-			controls.maxPolarAngle = Math.PI / 2 - Math.PI / 10
+			// controls.minPolarAngle = 0.3 // 设置最小旋转角度
+			// controls.maxPolarAngle = Math.PI / 2 - Math.PI / 10
 
 			controls.update();