diff --git a/app/api/canvas/3d/model-proxy/route.ts b/app/api/canvas/3d/model-proxy/route.ts
index f7be306e6..3d2b93d99 100644
--- a/app/api/canvas/3d/model-proxy/route.ts
+++ b/app/api/canvas/3d/model-proxy/route.ts
@@ -14,6 +14,11 @@ const ALLOWED_MODEL_HOST_DOMAINS = [
   "worldlabs.ai",
   "s3.1080p.hk",
   "img.yydd.ai",
+  "yybb.top",
+  "qiniucs.com",
+  "qiniudn.com",
+  "clouddn.com",
+  "qbox.me",
   "blob.vercel-storage.com",
   "aliyuncs.com",
   "amazonaws.com",
diff --git a/components/canvas/model3d/Model3DViewer.tsx b/components/canvas/model3d/Model3DViewer.tsx
index a58791365..02e4f7593 100644
--- a/components/canvas/model3d/Model3DViewer.tsx
+++ b/components/canvas/model3d/Model3DViewer.tsx
@@ -300,6 +300,7 @@ function configureMaterialTextures(
 
 function cloneSceneWithIndependentMaterials(scene: Object3D) {
   const clonedScene = scene.clone(true);
+  const clonedTextures = new Map<THREE.Texture, THREE.Texture>();
 
   clonedScene.traverse((node) => {
     if (!isMesh(node)) return;
@@ -309,6 +310,24 @@ function cloneSceneWithIndependentMaterials(scene: Object3D) {
       : [node.material];
     const clonedMaterials = sourceMaterials.map((material) => {
       const clonedMaterial = material.clone();
+      const sourceMaterialRecord = material as any;
+      const clonedMaterialRecord = clonedMaterial as any;
+
+      for (const key of MATERIAL_TEXTURE_KEYS) {
+        const sourceTexture = sourceMaterialRecord[key];
+        if (!sourceTexture?.isTexture) continue;
+
+        const typedSourceTexture = sourceTexture as THREE.Texture;
+        let clonedTexture = clonedTextures.get(typedSourceTexture);
+        if (!clonedTexture) {
+          const newTexture = typedSourceTexture.clone();
+          newTexture.needsUpdate = true;
+          clonedTextures.set(typedSourceTexture, newTexture);
+          clonedTexture = newTexture;
+        }
+        clonedMaterialRecord[key] = clonedTexture;
+      }
+
       configureMaterialTextures(clonedMaterial, node.geometry);
       return clonedMaterial;
     });
@@ -407,12 +426,20 @@ function ModelScene({
 
   useEffect(() => {
     return () => {
+      const disposedTextures = new Set<THREE.Texture>();
       scene.traverse((node) => {
         if (!isMesh(node)) return;
         const materials = Array.isArray(node.material)
           ? node.material
           : [node.material];
         for (const material of materials) {
+          const materialRecord = material as any;
+          for (const key of MATERIAL_TEXTURE_KEYS) {
+            const texture = materialRecord[key];
+            if (!texture?.isTexture || disposedTextures.has(texture)) continue;
+            disposedTextures.add(texture);
+            texture.dispose();
+          }
           material.dispose();
         }
       });
@@ -437,7 +464,7 @@ function ModelScene({
 
   return (
     <group rotation={modelRotation || [0, 0, 0]}>
-      <primitive object={scene} scale={1} />
+      <primitive dispose={null} object={scene} scale={1} />
     </group>
   );
 }
diff --git a/lib/canvas/three-asset-url.ts b/lib/canvas/three-asset-url.ts
index cd8788a2d..c81a9b366 100644
--- a/lib/canvas/three-asset-url.ts
+++ b/lib/canvas/three-asset-url.ts
@@ -7,6 +7,11 @@ const PROXY_HOST_KEYWORDS = [
   "marble",
   "s3.1080p.hk",
   "img.yydd.ai",
+  "yybb.top",
+  "qiniucs.com",
+  "qiniudn.com",
+  "clouddn.com",
+  "qbox.me",
   "blob.vercel-storage.com",
   "aliyuncs.com",
   "amazonaws.com",
diff --git a/tests/routes/model3d-style-pro-regressions.test.ts b/tests/routes/model3d-style-pro-regressions.test.ts
index 56624c323..9df978016 100644
--- a/tests/routes/model3d-style-pro-regressions.test.ts
+++ b/tests/routes/model3d-style-pro-regressions.test.ts
@@ -28,11 +28,32 @@ test.describe("3D workspace and Style Pro regressions", () => {
 
     expect(viewer).toContain("cloneSceneWithIndependentMaterials");
     expect(viewer).toContain("const clonedMaterial = material.clone()");
+    expect(viewer).toContain("typedSourceTexture.clone()");
+    expect(viewer).toContain("clonedMaterialRecord[key] = clonedTexture");
+    expect(viewer).toContain("disposedTextures.add(texture)");
+    expect(viewer).toContain("texture.dispose()");
+    expect(viewer).toContain("<primitive dispose={null}");
     expect(viewer).toContain(
       "configureMaterialTextures(clonedMaterial, node.geometry)"
     );
   });
 
+  test("loads Qiniu-hosted GLB assets through the authenticated same-origin proxy", () => {
+    const assetUrl = readSource("lib/canvas/three-asset-url.ts");
+    const proxy = readSource("app/api/canvas/3d/model-proxy/route.ts");
+
+    for (const host of [
+      "yybb.top",
+      "qiniucs.com",
+      "qiniudn.com",
+      "clouddn.com",
+      "qbox.me",
+    ]) {
+      expect(assetUrl).toContain(`\"${host}\"`);
+      expect(proxy).toContain(`\"${host}\"`);
+    }
+  });
+
   test("uses the same hidden-model access rule in Style Pro as canvas", () => {
     const route = readSource("app/api/style-pro/model-options/route.ts");
     const canvasModelsRoute = readSource("app/(chat)/api/models/route.ts");