上传模型，模型大小限制放开到50M

4dkankan-center-scene/src/main/java/com/fdkankan/scene/service/impl/SceneProServiceImpl.java

@@ -3739,7 +3739,7 @@ public class SceneProServiceImpl extends ServiceImpl<ISceneProMapper, ScenePro>
                 if(!data.getName().equals("mesh.obj")){
                     throw new BusinessException(ErrorCode.FAILURE_CODE_5060);
                 }
-                if(!FileUtils.checkFileSizeIsLimit(data.length(), 20, "M")){
+                if(!FileUtils.checkFileSizeIsLimit(data.length(), 50, "M")){
                     throw new BusinessException(ErrorCode.FAILURE_CODE_5020);
                 }