fix #IUS70 初始化默认材质没有更新

src/DatabaseServices/Database.ts

@@ -61,6 +61,7 @@ export class Database
 
             this.MaterialTable.Add(this.DefaultMaterial);
 
+            texture.Update();
             this.SettingDefaultMaterial();
         }
 
@@ -74,6 +75,7 @@ export class Database
             return;
 
         this.DefaultMaterial = this.GetObjectId(71).Object as PhysicalMaterialRecord;
+        this.DefaultMaterial.Update();
         HostApplicationServices.DefaultMeshMaterial = this.DefaultMaterial.Material;
     }