diff --git a/src/commands/deploy.ts b/src/commands/deploy.ts
index 53c803d..468bc0e 100644
--- a/src/commands/deploy.ts
+++ b/src/commands/deploy.ts
@@ -8,7 +8,7 @@ export const deploy = async (
 ) => {
   const context = constructActionContext({ ...options, stackName });
   logger.info('Validating yaml...');
-  const iac = parseYaml(context);
+  const iac = parseYaml(context.iacLocation);
   logger.info('Yaml is valid! 🎉');
 
   logger.info('Deploying stack...');
diff --git a/src/commands/template.ts b/src/commands/template.ts
index 50f2673..fbbe51f 100644
--- a/src/commands/template.ts
+++ b/src/commands/template.ts
@@ -1,15 +1,16 @@
 import { TemplateFormat } from '../types';
 import yaml from 'yaml';
 import { generateStackTemplate } from '../stack/deploy';
-import { constructActionContext, logger } from '../common';
+import { constructActionContext, getIacLocation, logger } from '../common';
 import { parseYaml } from '../parser';
 
 export const template = (
   stackName: string,
   options: { format: TemplateFormat; location: string; stage: string | undefined },
 ) => {
-  const context = constructActionContext({ ...options, stackName });
-  const iac = parseYaml(context);
+  const iac = parseYaml(getIacLocation(options.location));
+
+  const context = constructActionContext({ ...options, stackName, provider: iac.provider.name });
 
   const { template } = generateStackTemplate(stackName, iac, context);
   if (typeof template === 'string') {
diff --git a/src/commands/validate.ts b/src/commands/validate.ts
index 1f12e89..ce33203 100644
--- a/src/commands/validate.ts
+++ b/src/commands/validate.ts
@@ -3,7 +3,6 @@ import { parseYaml } from '../parser';
 
 export const validate = (location: string | undefined, stage: string | undefined) => {
   const context = constructActionContext({ location, stage });
-  parseYaml(context);
+  parseYaml(context.iacLocation);
   logger.info('Yaml is valid! 🎉');
-  logger.debug('Yaml is valid! debug🎉');
 };
diff --git a/src/common/actionContext.ts b/src/common/actionContext.ts
index bf8d2db..395de1a 100644
--- a/src/common/actionContext.ts
+++ b/src/common/actionContext.ts
@@ -1,8 +1,20 @@
 import { ActionContext } from '../types';
 import path from 'node:path';
+import { ProviderEnum } from './providerEnum';
+
+export const getIacLocation = (location?: string): string => {
+  const projectRoot = path.resolve(process.cwd());
+  return location
+    ? path.resolve(projectRoot, location)
+    : path.resolve(projectRoot, 'serverlessinsight.yml') ||
+        path.resolve(projectRoot, 'serverlessInsight.yml') ||
+        path.resolve(projectRoot, 'ServerlessInsight.yml') ||
+        path.resolve(projectRoot, 'serverless-insight.yml');
+};
 
 export const constructActionContext = (config?: {
   region?: string;
+  provider?: string;
   account?: string;
   accessKeyId?: string;
   accessKeySecret?: string;
@@ -20,15 +32,8 @@ export const constructActionContext = (config?: {
     accessKeyId: config?.accessKeyId ?? (process.env.ALIYUN_ACCESS_KEY_ID as string),
     accessKeySecret: config?.accessKeySecret ?? (process.env.ALIYUN_ACCESS_KEY_SECRET as string),
     securityToken: config?.securityToken ?? process.env.ALIYUN_SECURITY_TOKEN,
-    iacLocation: (() => {
-      const projectRoot = path.resolve(process.cwd());
-      return config?.location
-        ? path.resolve(projectRoot, config.location)
-        : path.resolve(projectRoot, 'serverlessinsight.yml') ||
-            path.resolve(projectRoot, 'serverlessInsight.yml') ||
-            path.resolve(projectRoot, 'ServerlessInsight.yml') ||
-            path.resolve(projectRoot, 'serverless-insight.yml');
-    })(),
+    iacLocation: getIacLocation(config?.location),
     parameters: Object.entries(config?.parameters ?? {}).map(([key, value]) => ({ key, value })),
+    provider: config?.provider as ProviderEnum,
   };
 };
diff --git a/src/common/index.ts b/src/common/index.ts
index c46770f..af3dea1 100644
--- a/src/common/index.ts
+++ b/src/common/index.ts
@@ -1,4 +1,4 @@
-export * from './provider';
+export * from './providerEnum';
 export * from './logger';
 export * from './getVersion';
 export * from './rosClient';
diff --git a/src/common/provider.ts b/src/common/providerEnum.ts
similarity index 80%
rename from src/common/provider.ts
rename to src/common/providerEnum.ts
index 67af4b2..304d35a 100644
--- a/src/common/provider.ts
+++ b/src/common/providerEnum.ts
@@ -1,4 +1,4 @@
-export enum Provider {
+export enum ProviderEnum {
   HUAWEI = 'huawei',
   ALIYUN = 'aliyun',
   // TENCENT = 'TENCENT',
diff --git a/src/parser/index.ts b/src/parser/index.ts
index 9e9cd65..106be5c 100644
--- a/src/parser/index.ts
+++ b/src/parser/index.ts
@@ -1,12 +1,11 @@
 import { existsSync, readFileSync } from 'node:fs';
-import { ActionContext, ServerlessIac, ServerlessIacRaw } from '../types';
+import { ServerlessIac, ServerlessIacRaw } from '../types';
 import { parseFunction } from './functionParser';
 import { parseEvent } from './eventParser';
 import { parseDatabase } from './databaseParser';
 import { parseTag } from './tagParser';
 import { parse } from 'yaml';
 import { validateYaml } from '../validator';
-import { Provider } from '../common';
 
 const validateExistence = (path: string) => {
   if (!existsSync(path)) {
@@ -18,7 +17,7 @@ const transformYaml = (iacJson: ServerlessIacRaw): ServerlessIac => {
   return {
     service: iacJson.service,
     version: iacJson.version,
-    provider: iacJson.provider as Provider,
+    provider: iacJson.provider,
     vars: iacJson.vars,
     stages: iacJson.stages,
     functions: parseFunction(iacJson.functions),
@@ -28,10 +27,10 @@ const transformYaml = (iacJson: ServerlessIacRaw): ServerlessIac => {
   };
 };
 
-export const parseYaml = (context: ActionContext): ServerlessIac => {
-  validateExistence(context.iacLocation);
+export const parseYaml = (iacLocation: string): ServerlessIac => {
+  validateExistence(iacLocation);
 
-  const yamlContent = readFileSync(context.iacLocation, 'utf8');
+  const yamlContent = readFileSync(iacLocation, 'utf8');
   const iacJson = parse(yamlContent) as ServerlessIacRaw;
 
   validateYaml(iacJson);
diff --git a/src/stack/deploy.ts b/src/stack/deploy.ts
index 93f8d3c..05b5d77 100644
--- a/src/stack/deploy.ts
+++ b/src/stack/deploy.ts
@@ -1,7 +1,7 @@
 import * as ros from '@alicloud/ros-cdk-core';
 
 import { ActionContext, ServerlessIac } from '../types';
-import { logger, Provider, rosStackDeploy } from '../common';
+import { logger, ProviderEnum, rosStackDeploy } from '../common';
 import { RosStack } from './rosStack';
 import { RfsStack } from './rfsStack';
 
@@ -48,9 +48,9 @@ export const generateStackTemplate = (
   iac: ServerlessIac,
   context: ActionContext,
 ): { template: unknown } => {
-  if (iac.provider === Provider.ALIYUN) {
+  if (iac.provider.name === ProviderEnum.ALIYUN) {
     return generateRosStackTemplate(stackName, iac, context);
-  } else if (iac.provider === Provider.HUAWEI) {
+  } else if (iac.provider.name === ProviderEnum.HUAWEI) {
     return generateRfsStackTemplate(stackName, iac, context);
   }
   return { template: '' };
diff --git a/src/types/domains/context.ts b/src/types/domains/context.ts
index 1d2774c..eb19a90 100644
--- a/src/types/domains/context.ts
+++ b/src/types/domains/context.ts
@@ -1,7 +1,10 @@
+import { ProviderEnum } from '../../common';
+
 export type ActionContext = {
-  stage: string;
-  stackName: string;
   region: string;
+  provider: ProviderEnum;
+  stackName: string;
+  stage: string;
   accessKeyId: string;
   accessKeySecret: string;
   securityToken?: string;
diff --git a/src/types/domains/provider.ts b/src/types/domains/provider.ts
new file mode 100644
index 0000000..57b5870
--- /dev/null
+++ b/src/types/domains/provider.ts
@@ -0,0 +1,6 @@
+import { ProviderEnum } from '../../common';
+
+export type Provider = {
+  name: ProviderEnum;
+  region: string;
+};
diff --git a/src/types/index.ts b/src/types/index.ts
index 504c7e7..c3c2886 100644
--- a/src/types/index.ts
+++ b/src/types/index.ts
@@ -3,7 +3,7 @@ import { Tags } from './domains/tag';
 import { EventDomain, EventRaw } from './domains/event';
 import { DatabaseDomain, DatabaseRaw } from './domains/database';
 import { FunctionDomain, FunctionRaw } from './domains/function';
-import { Provider } from '../common';
+import { Provider } from './domains/provider';
 
 export * from './domains/database';
 export * from './domains/event';
diff --git a/src/validator/rootSchema.ts b/src/validator/rootSchema.ts
index 7aa6757..5d3e876 100644
--- a/src/validator/rootSchema.ts
+++ b/src/validator/rootSchema.ts
@@ -3,7 +3,13 @@ export const rootSchema = {
   type: 'object',
   properties: {
     version: { type: 'string', enum: ['0.0.0', '0.0.1'] },
-    provider: { type: 'string', enum: ['aliyun', 'huawei'] },
+    provider: {
+      type: 'object',
+      properties: {
+        name: { type: 'string', enum: ['huawei', 'aliyun'] },
+        region: { type: 'string' },
+      },
+    },
     service: { type: 'string' },
     vars: {
       type: 'object',
diff --git a/tests/fixtures/contextFixture.ts b/tests/fixtures/contextFixture.ts
index b6d040e..0a50b67 100644
--- a/tests/fixtures/contextFixture.ts
+++ b/tests/fixtures/contextFixture.ts
@@ -1,8 +1,10 @@
 import { ActionContext } from '../../src/types';
+import { ProviderEnum } from '../../src/common';
 
 export const context: ActionContext = {
   stage: 'test',
   stackName: 'testStack',
+  provider: ProviderEnum.ALIYUN,
   region: 'cn-hangzhou',
   accessKeyId: 'testAccessKeyId',
   accessKeySecret: 'testAccessKeySecret',
diff --git a/tests/fixtures/deployFixture.ts b/tests/fixtures/deployFixture.ts
index 7cfdbeb..9183fe0 100644
--- a/tests/fixtures/deployFixture.ts
+++ b/tests/fixtures/deployFixture.ts
@@ -1,13 +1,15 @@
 import { DatabaseEnum, ServerlessIac } from '../../src/types';
 import { cloneDeep, set } from 'lodash';
-import { Provider } from '../../src/common';
+import { ProviderEnum } from '../../src/common';
 
 export const oneFcOneGatewayIac = {
   service: 'my-demo-service',
   version: '0.0.1',
-  provider: 'aliyun' as Provider,
+  provider: {
+    name: 'aliyun' as ProviderEnum,
+    region: "cn-hangzhou'",
+  },
   vars: {
-    region: 'cn-hangzhou',
     account_id: 1234567890,
   },
   stages: {
@@ -65,7 +67,6 @@ export const oneFcOneGatewayRos = {
   Metadata: { 'ALIYUN::ROS::Interface': { TemplateTags: ['Create by ROS CDK'] } },
   Parameters: {
     account_id: { Default: 1234567890, Type: 'String' },
-    region: { Default: 'cn-hangzhou', Type: 'String' },
   },
   ROSTemplateFormatVersion: '2015-09-01',
   Resources: {
@@ -160,7 +161,6 @@ export const referredServiceRos = {
   Metadata: { 'ALIYUN::ROS::Interface': { TemplateTags: ['Create by ROS CDK'] } },
   Parameters: {
     account_id: { Default: 1234567890, Type: 'String' },
-    region: { Default: 'cn-hangzhou', Type: 'String' },
   },
   ROSTemplateFormatVersion: '2015-09-01',
   Resources: {
@@ -240,7 +240,10 @@ export const referredServiceRos = {
 export const minimumIac = {
   service: 'my-demo-minimum-service',
   version: '0.0.1',
-  provider: 'aliyun' as Provider,
+  provider: {
+    name: 'aliyun' as ProviderEnum,
+    region: 'cn-hangzhou',
+  },
 
   functions: [
     {
@@ -273,9 +276,11 @@ export const minimumRos = {
 export const oneFcIac = {
   service: 'my-demo-service',
   version: '0.0.1',
-  provider: 'aliyun' as Provider,
-  vars: {
+  provider: {
+    name: 'aliyun' as ProviderEnum,
     region: 'cn-hangzhou',
+  },
+  vars: {
     account_id: 1234567890,
   },
   stages: {
@@ -319,7 +324,6 @@ export const oneFcRos = {
   Metadata: { 'ALIYUN::ROS::Interface': { TemplateTags: ['Create by ROS CDK'] } },
   Parameters: {
     account_id: { Default: 1234567890, Type: 'String' },
-    region: { Default: 'cn-hangzhou', Type: 'String' },
   },
   ROSTemplateFormatVersion: '2015-09-01',
   Resources: {
@@ -341,9 +345,11 @@ export const oneFcRos = {
 export const oneFcIacWithStage = {
   service: 'my-demo-service',
   version: '0.0.1',
-  provider: 'aliyun' as Provider,
-  vars: {
+  provider: {
+    name: 'aliyun',
     region: 'cn-hangzhou',
+  },
+  vars: {
     account_id: 1234567890,
   },
   stages: {
@@ -395,7 +401,6 @@ export const oneFcWithStageRos = {
   Metadata: { 'ALIYUN::ROS::Interface': { TemplateTags: ['Create by ROS CDK'] } },
   Parameters: {
     account_id: { Default: 1234567890, Type: 'String' },
-    region: { Default: 'cn-hangzhou', Type: 'String' },
   },
   ROSTemplateFormatVersion: '2015-09-01',
   Resources: {
@@ -437,10 +442,6 @@ export const largeCodeRos = {
       Default: 1234567890,
       Type: 'String',
     },
-    region: {
-      Default: 'cn-hangzhou',
-      Type: 'String',
-    },
   },
   ROSTemplateFormatVersion: '2015-09-01',
   Resources: {
@@ -752,7 +753,10 @@ export const defaultContext = {
 export const esServerlessMinimumIac: ServerlessIac = {
   service: 'my-demo-es-serverless-service',
   version: '0.0.1',
-  provider: 'aliyun' as Provider as Provider,
+  provider: {
+    name: 'aliyun' as ProviderEnum,
+    region: 'cn-hangzhou',
+  },
   databases: [
     {
       key: 'insight_es_db_test',
diff --git a/tests/fixtures/serverless-insight-es.yml b/tests/fixtures/serverless-insight-es.yml
index 61a7043..3d3c701 100644
--- a/tests/fixtures/serverless-insight-es.yml
+++ b/tests/fixtures/serverless-insight-es.yml
@@ -1,5 +1,8 @@
 version: 0.0.1
-provider: aliyun
+
+provider:
+  name: aliyun
+  region: cn-chengdu
 
 
 service: insight-es-poc
diff --git a/tests/fixtures/serverless-insight-huawei.yml b/tests/fixtures/serverless-insight-huawei.yml
index 7dc6d08..fc4c596 100644
--- a/tests/fixtures/serverless-insight-huawei.yml
+++ b/tests/fixtures/serverless-insight-huawei.yml
@@ -1,21 +1,20 @@
 version: 0.0.1
-provider: huawei
+provider:
+  name: huawei
+  region: cn-north-4
 
 vars:
-  region: cn-hangzhou
   testv: testVarValue
   handler: index.handler
 
 stages:
   default:
-    region: ${vars.region}
     node_env: default
   dev:
     region: ${vars.region}
     node_env: development
   prod:
-    region: cn-shanghai
-
+    node_env: prod
 service: insight-poc
 
 tags:
diff --git a/tests/fixtures/serverless-insight.yml b/tests/fixtures/serverless-insight.yml
index faa5fbb..5ad9b04 100644
--- a/tests/fixtures/serverless-insight.yml
+++ b/tests/fixtures/serverless-insight.yml
@@ -1,5 +1,7 @@
 version: 0.0.1
-provider: aliyun
+provider:
+  name: aliyun
+  region: cn-chengdu
 
 vars:
   region: cn-hangzhou
diff --git a/tests/parser/parse.test.ts b/tests/parser/parse.test.ts
index b64651c..d28c08a 100644
--- a/tests/parser/parse.test.ts
+++ b/tests/parser/parse.test.ts
@@ -3,20 +3,17 @@ import { parseYaml } from '../../src/parser';
 
 describe('unit test for parse', () => {
   describe('domain - databases', () => {
-    const defaultContext = {
-      iacLocation: path.resolve(__dirname, '../fixtures/serverless-insight-es.yml'),
-      accessKeyId: 'xxx',
-      accessKeySecret: 'xxx',
-      region: 'cn-chengdu',
-      stackName: 'insight-es-poc-test',
-      stage: 'test',
-    };
+    const iacLocation = path.resolve(__dirname, '../fixtures/serverless-insight-es.yml');
+
     it('should pass databases from yaml to domain instance when the yaml is valid', () => {
-      const databaseDomain = parseYaml(defaultContext);
+      const databaseDomain = parseYaml(iacLocation);
       expect(databaseDomain).toEqual({
         service: 'insight-es-poc',
         version: '0.0.1',
-        provider: 'aliyun',
+        provider: {
+          name: 'aliyun',
+          region: 'cn-chengdu',
+        },
         tags: [
           { key: 'iac-provider', value: 'ServerlessInsight' },
           { key: 'owner', value: 'geek-fun' },