bug

lib/service/crud-service.js

@@ -309,8 +309,8 @@ class CrudService extends NafService {
     const model = this.getModel(path);
     let schema = null;
     let version = mongoose.version;
-    version = toNumber(version.split('.').join(''));
-    if(version<573) schema = _.get(model, 'prototype.schema.obj');
+    version = parseInt(version.split('.').join(''));
+    if(version<600) schema = _.get(model, 'prototype.schema.obj');
     else schema = _.get(model, 'prototype.schema.obj.obj');
     return schema;
   }