Aiming at the security problem when servants are faced with common vulnerabilities. an improved DHR architecture called IDHR was proposed. On the basis of DHR. an executor-partition module that divided the executor-set to several executor pools by the heterogeneity among the executors was introduced to improve the heterogeneity among the executor pools. https://safeersappliancers.shop/product-category/bosch-pcq7a5b90-gas-hob-stainless-steel-lpg-convertible/