diff --git a/Assets/UniGLTF/Runtime/UniGLTF/MaterialFacotry/MaterialFactory.cs b/Assets/UniGLTF/Runtime/UniGLTF/MaterialFacotry/MaterialFactory.cs
index 2ceb79a20..adcc9cc8a 100644
--- a/Assets/UniGLTF/Runtime/UniGLTF/MaterialFacotry/MaterialFactory.cs
+++ b/Assets/UniGLTF/Runtime/UniGLTF/MaterialFacotry/MaterialFactory.cs
@@ -58,8 +58,15 @@ namespace UniGLTF
                 return texture;
             }
 
-            texture = await LoadTextureAsync(param.Index0.Value);
-            m_textureCache.Add(GetTextureParam.Create(param.Index0.Value), texture);
+            {
+                var defaultParam = GetTextureParam.Create(param.Index0.Value);
+                if (!m_textureCache.TryGetValue(defaultParam, out texture))
+                {
+                    texture = await LoadTextureAsync(param.Index0.Value);
+                    m_textureCache.Add(defaultParam, texture);
+                }
+            }
+
             switch (param.TextureType)
             {
                 case GetTextureParam.NORMAL_PROP:
diff --git a/Assets/UniGLTF/Runtime/UniGLTF/MaterialFacotry/MaterialItemBase.cs b/Assets/UniGLTF/Runtime/UniGLTF/MaterialFacotry/MaterialItemBase.cs
index 86e51d7e0..9d8538c8e 100644
--- a/Assets/UniGLTF/Runtime/UniGLTF/MaterialFacotry/MaterialItemBase.cs
+++ b/Assets/UniGLTF/Runtime/UniGLTF/MaterialFacotry/MaterialItemBase.cs
@@ -71,7 +71,12 @@ namespace UniGLTF
         /// <returns></returns>
         public static Material CreateMaterialForTest(int i, glTFMaterial material)
         {
-            throw new System.NotImplementedException();
+            var gltf = new glTF
+            {
+                materials = new System.Collections.Generic.List<glTFMaterial> { material },
+            };
+            var task = DefaultCreateMaterialAsync(gltf, i, null);
+            return task.Result;
         }
     }
 }
diff --git a/Assets/UniGLTF/Runtime/UniGLTF/MaterialFacotry/TextureLoader/GltfTextureLoader.cs b/Assets/UniGLTF/Runtime/UniGLTF/MaterialFacotry/TextureLoader/GltfTextureLoader.cs
index b557fb49c..cb91fe3e3 100644
--- a/Assets/UniGLTF/Runtime/UniGLTF/MaterialFacotry/TextureLoader/GltfTextureLoader.cs
+++ b/Assets/UniGLTF/Runtime/UniGLTF/MaterialFacotry/TextureLoader/GltfTextureLoader.cs
@@ -24,10 +24,10 @@ namespace UniGLTF
             }
         }
 
-        public static async Task<Texture2D> LoadTextureAsync(glTF gltf, IStorage storage, int index)
+        public static Task<Texture2D> LoadTextureAsync(glTF gltf, IStorage storage, int index)
         {
             string m_textureName = default;
-            
+
             var imageIndex = gltf.GetImageIndexFromTextureIndex(index);
             var segments = gltf.GetImageBytes(storage, imageIndex, out m_textureName);
             var imageBytes = ToArray(segments);
@@ -50,7 +50,7 @@ namespace UniGLTF
             {
                 TextureSamplerUtil.SetSampler(texture, sampler);
             }
-            return texture;
+            return Task.FromResult(texture);
         }
     }
 }