diff --git a/api/controllers/console/workspace/workspace.py b/api/controllers/console/workspace/workspace.py
index 34af80bca7..03dd4f6eb8 100644
--- a/api/controllers/console/workspace/workspace.py
+++ b/api/controllers/console/workspace/workspace.py
@@ -48,6 +48,7 @@ tenant_fields = {
     "in_trial": fields.Boolean,
     "trial_end_reason": fields.String,
     "custom_config": fields.Raw(attribute="custom_config"),
+    "beta_config": fields.Raw(attribute="beta_config"),
 }
 
 tenants_fields = {
@@ -177,6 +178,31 @@ class CustomConfigWorkspaceApi(Resource):
         return {"result": "success", "tenant": marshal(WorkspaceService.get_tenant_info(tenant), tenant_fields)}
 
 
+class BetaConfigWorkspaceApi(Resource):
+    @setup_required
+    @login_required
+    @account_initialization_required
+    def post(self):
+        parser = reqparse.RequestParser()
+        parser.add_argument("beta_config", type=dict, location="json")
+        args = parser.parse_args()
+
+        tenant = db.get_or_404(Tenant, current_user.current_tenant_id)
+
+        db_config = tenant.beta_config_dict  
+        param_config = args["beta_config"] or {}
+
+        if not db_config:
+            tenant.beta_config_dict = param_config
+        else:
+            merged_config = {**db_config, **param_config}
+            tenant.beta_config_dict = merged_config
+
+        db.session.commit()
+
+        return {"result": "success", "tenant": marshal(WorkspaceService.get_tenant_info(tenant), tenant_fields)}
+
+
 class WebappLogoWorkspaceApi(Resource):
     @setup_required
     @login_required
@@ -239,5 +265,6 @@ api.add_resource(TenantApi, "/workspaces/current", endpoint="workspaces_current"
 api.add_resource(TenantApi, "/info", endpoint="info")  # Deprecated
 api.add_resource(SwitchWorkspaceApi, "/workspaces/switch")  # POST for switching tenant
 api.add_resource(CustomConfigWorkspaceApi, "/workspaces/custom-config")
+api.add_resource(BetaConfigWorkspaceApi, "/workspaces/beta-config")
 api.add_resource(WebappLogoWorkspaceApi, "/workspaces/custom-config/webapp-logo/upload")
 api.add_resource(WorkspaceInfoApi, "/workspaces/info")  # POST for changing workspace info
diff --git a/api/models/account.py b/api/models/account.py
index bb6a2a4735..4e81b7cc5d 100644
--- a/api/models/account.py
+++ b/api/models/account.py
@@ -199,6 +199,7 @@ class Tenant(Base):
     plan = db.Column(db.String(255), nullable=False, server_default=db.text("'basic'::character varying"))
     status = db.Column(db.String(255), nullable=False, server_default=db.text("'normal'::character varying"))
     custom_config = db.Column(db.Text)
+    beta_config = db.Column(db.Text)
     created_at = db.Column(db.DateTime, nullable=False, server_default=func.current_timestamp())
     updated_at = db.Column(db.DateTime, nullable=False, server_default=func.current_timestamp())
 
@@ -217,6 +218,14 @@ class Tenant(Base):
     def custom_config_dict(self, value: dict):
         self.custom_config = json.dumps(value)
 
+    @property
+    def beta_config_dict(self) -> dict:
+        return json.loads(self.beta_config) if self.beta_config else {}
+
+    @beta_config_dict.setter
+    def beta_config_dict(self, value: dict):
+        self.beta_config = json.dumps(value)
+
 
 class TenantAccountJoin(Base):
     __tablename__ = "tenant_account_joins"
diff --git a/api/services/workspace_service.py b/api/services/workspace_service.py
index 125e0c1b1e..034c6ad4fc 100644
--- a/api/services/workspace_service.py
+++ b/api/services/workspace_service.py
@@ -20,6 +20,7 @@ class WorkspaceService:
             "created_at": tenant.created_at,
             "trial_end_reason": None,
             "role": "normal",
+            "beta_config": tenant.beta_config_dict,
         }
 
         # Get role of user
diff --git a/web/app/components/header/account-setting/beta-page/index.tsx b/web/app/components/header/account-setting/beta-page/index.tsx
new file mode 100644
index 0000000000..8283e6ab71
--- /dev/null
+++ b/web/app/components/header/account-setting/beta-page/index.tsx
@@ -0,0 +1,45 @@
+import { useTranslation } from 'react-i18next'
+import Switch from '@/app/components/base/switch'
+import {
+  updateCurrentWorkspace,
+} from '@/service/common'
+import { useAppContext } from '@/context/app-context'
+
+const BetaPage = () => {
+  const { t } = useTranslation()
+  const {
+    currentWorkspace,
+    mutateCurrentWorkspace,
+  } = useAppContext()
+  const workflowVarCheck = currentWorkspace.beta_config?.workflow_var_check
+
+  const handleSwitch = async (checked: boolean) => {
+    await updateCurrentWorkspace({
+      url: '/workspaces/beta-config',
+      body: {
+        beta_config: {
+          workflow_var_check: checked,
+        },
+      },
+    })
+    mutateCurrentWorkspace()
+  }
+
+  return (
+    <div className='py-4'>
+      <div className='system-md-medium mb-2 flex items-center justify-between rounded-xl bg-background-section-burn p-4 text-text-primary'>
+        <div>
+          <div className='system-md-medium text-text-primary'>{t('common.beta.workflowVarCheck')}</div>
+          <div className='system-xs-regular text-text-tertiary'>{t('common.beta.workflowVarCheckTip')}</div>
+        </div>
+        <Switch
+          size='l'
+          defaultValue={workflowVarCheck}
+          onChange={handleSwitch}
+        />
+      </div>
+    </div>
+  )
+}
+
+export default BetaPage
diff --git a/web/app/components/header/account-setting/index.tsx b/web/app/components/header/account-setting/index.tsx
index b2a3c8245b..83098f6698 100644
--- a/web/app/components/header/account-setting/index.tsx
+++ b/web/app/components/header/account-setting/index.tsx
@@ -15,6 +15,8 @@ import {
   RiMoneyDollarCircleLine,
   RiPuzzle2Fill,
   RiPuzzle2Line,
+  RiTestTubeFill,
+  RiTestTubeLine,
   RiTranslate2,
 } from '@remixicon/react'
 import Button from '../../base/button'
@@ -31,6 +33,7 @@ import { useProviderContext } from '@/context/provider-context'
 import { useAppContext } from '@/context/app-context'
 import MenuDialog from '@/app/components/header/account-setting/menu-dialog'
 import Input from '@/app/components/base/input'
+import BatePage from './beta-page'
 
 const iconClassName = `
   w-5 h-5 mr-2
@@ -56,8 +59,7 @@ export default function AccountSetting({
   const [activeMenu, setActiveMenu] = useState(activeTab)
   const { t } = useTranslation()
   const { enableBilling, enableReplaceWebAppLogo } = useProviderContext()
-  const { isCurrentWorkspaceDatasetOperator } = useAppContext()
-
+  const { isCurrentWorkspaceDatasetOperator, currentWorkspace } = useAppContext()
   const workplaceGroupItems = (() => {
     if (isCurrentWorkspaceDatasetOperator)
       return []
@@ -100,6 +102,12 @@ export default function AccountSetting({
         icon: <RiColorFilterLine className={iconClassName} />,
         activeIcon: <RiColorFilterFill className={iconClassName} />,
       },
+      {
+        key: currentWorkspace.role === 'owner' ? 'beta' : false,
+        name: t('common.beta.beta'),
+        icon: <RiTestTubeLine className={iconClassName} />,
+        activeIcon: <RiTestTubeFill className={iconClassName} />,
+      },
     ].filter(item => !!item.key) as GroupItem[]
   })()
 
@@ -220,6 +228,7 @@ export default function AccountSetting({
               {activeMenu === 'api-based-extension' && <ApiBasedExtensionPage />}
               {activeMenu === 'custom' && <CustomPage />}
               {activeMenu === 'language' && <LanguagePage />}
+              {activeMenu === 'beta' && <BatePage />}
             </div>
           </div>
         </div>
diff --git a/web/app/components/workflow/hooks/use-checklist.ts b/web/app/components/workflow/hooks/use-checklist.ts
index ebef0e0c2c..13a6c53250 100644
--- a/web/app/components/workflow/hooks/use-checklist.ts
+++ b/web/app/components/workflow/hooks/use-checklist.ts
@@ -34,6 +34,7 @@ import { useDatasetsDetailStore } from '../datasets-detail-store/store'
 import type { KnowledgeRetrievalNodeType } from '../nodes/knowledge-retrieval/types'
 import type { DataSet } from '@/models/datasets'
 import { fetchDatasets } from '@/service/datasets'
+import { useAppContext } from '@/context/app-context'
 
 export const useChecklist = (nodes: Node[], edges: Edge[]) => {
   const { t } = useTranslation()
@@ -45,6 +46,9 @@ export const useChecklist = (nodes: Node[], edges: Edge[]) => {
   const workflowTools = useStore(s => s.workflowTools)
   const { data: strategyProviders } = useStrategyProviders()
   const datasetsDetail = useDatasetsDetailStore(s => s.datasetsDetail)
+  const {
+    currentWorkspace,
+  } = useAppContext()
 
   const chatVarList = useStore(s => s.conversationVariables)
   const environmentVariables = useStore(s => s.environmentVariables)
@@ -72,6 +76,7 @@ export const useChecklist = (nodes: Node[], edges: Edge[]) => {
 
     const allVariablesMap = transformStartNodeVariables(chatVarList, environmentVariables)
     const errMessageMap = new Map()
+    const workflowVarCheck = currentWorkspace.beta_config?.workflow_var_check
 
     for (let i = 0; i < nodes.length; i++) {
       const node = nodes[i]
@@ -120,7 +125,7 @@ export const useChecklist = (nodes: Node[], edges: Edge[]) => {
             varErrorMessage: [],
           })
         }
-        if (nodesExtraData[node.data.type as BlockEnum].checkVarValid) {
+        if (workflowVarCheck && nodesExtraData[node.data.type as BlockEnum].checkVarValid) {
           const { errorMessage: varErrorMessages } = nodesExtraData[node.data.type as BlockEnum].checkVarValid(node.data, { ...allVariablesMap, ...node._parentOutputVarMap }, t)
 
           if (varErrorMessages?.length) {
diff --git a/web/app/components/workflow/nodes/http/default.ts b/web/app/components/workflow/nodes/http/default.ts
index 1c027a3fec..1b89ac1961 100644
--- a/web/app/components/workflow/nodes/http/default.ts
+++ b/web/app/components/workflow/nodes/http/default.ts
@@ -7,6 +7,7 @@ import {
   ALL_CHAT_AVAILABLE_BLOCKS,
   ALL_COMPLETION_AVAILABLE_BLOCKS,
 } from '@/app/components/workflow/blocks'
+import { transformToBodyPayload } from './utils'
 
 const nodeDefault: NodeDefault<HttpNodeType> = {
   defaultValue: {
@@ -78,7 +79,9 @@ const nodeDefault: NodeDefault<HttpNodeType> = {
     const body_warnings: string[] = []
 
     if ([BodyType.binary].includes(payload.body.type)) {
-      const body_data = payload.body.data as BodyPayload
+      let body_data = payload.body.data
+      if (typeof body_data === 'string')
+        body_data = transformToBodyPayload(body_data, false)
       body_data.forEach((item) => {
         const key_warnings = getNotExistVariablesByText(item.key || '', varMap)
         if (key_warnings.length)
@@ -89,7 +92,9 @@ const nodeDefault: NodeDefault<HttpNodeType> = {
       })
     }
     else {
-      const body_data = payload.body.data as BodyPayload
+      let body_data = payload.body.data
+      if (typeof body_data === 'string')
+        body_data = transformToBodyPayload(body_data, [BodyType.formData, BodyType.xWwwFormUrlencoded].includes(payload.body.type))
       body_data.forEach((item) => {
         const key_warnings = getNotExistVariablesByText(item.key || '', varMap)
         if (key_warnings.length)
diff --git a/web/i18n/zh-Hans/common.ts b/web/i18n/zh-Hans/common.ts
index f3a7e09ab7..f7f008a854 100644
--- a/web/i18n/zh-Hans/common.ts
+++ b/web/i18n/zh-Hans/common.ts
@@ -273,6 +273,11 @@ const translation = {
     setBuilder: 'Set as builder （设置为构建器）',
     builder: '构建器',
   },
+  beta: {
+    beta: 'Beta 功能',
+    workflowVarCheck: '严格模式-变量可用性检查',
+    workflowVarCheckTip: '启用后，cahflow/workflow 将会检查节点中变量是否可用。',
+  },
   integrations: {
     connected: '登录方式',
     google: 'Google',
diff --git a/web/models/common.ts b/web/models/common.ts
index cb8fb7f2bf..705e66e56c 100644
--- a/web/models/common.ts
+++ b/web/models/common.ts
@@ -134,6 +134,9 @@ export type ICurrentWorkspace = Omit<IWorkspace, 'current'> & {
   custom_config?: {
     remove_webapp_brand?: boolean
     replace_webapp_logo?: string
+  },
+  beta_config?: {
+    workflow_var_check?: boolean
   }
 }