diff --git a/web/app/components/base/prompt-editor/plugins/component-picker-block/index.tsx b/web/app/components/base/prompt-editor/plugins/component-picker-block/index.tsx
index b43d2c8117..b7444be38c 100644
--- a/web/app/components/base/prompt-editor/plugins/component-picker-block/index.tsx
+++ b/web/app/components/base/prompt-editor/plugins/component-picker-block/index.tsx
@@ -165,6 +165,8 @@ const ComponentPicker = ({
                         isSupportFileVar={isSupportFileVar}
                         onClose={handleClose}
                         onBlur={handleClose}
+                        showManageInputField={workflowVariableBlock.showManageInputField}
+                        onManageInputField={workflowVariableBlock.onManageInputField}
                       />
                     </div>
                   )
@@ -205,7 +207,7 @@ const ComponentPicker = ({
         }
       </>
     )
-  }, [allFlattenOptions.length, workflowVariableBlock?.show, refs, isPositioned, floatingStyles, queryString, workflowVariableOptions, handleSelectWorkflowVariable, handleClose, isSupportFileVar])
+  }, [allFlattenOptions.length, workflowVariableBlock?.show, refs, isPositioned, floatingStyles, queryString, workflowVariableOptions, handleSelectWorkflowVariable, handleClose, isSupportFileVar, workflowVariableBlock?.showManageInputField, workflowVariableBlock?.onManageInputField])
 
   return (
     <LexicalTypeaheadMenuPlugin
diff --git a/web/app/components/base/prompt-editor/types.ts b/web/app/components/base/prompt-editor/types.ts
index e82ec1da16..c4d1fb5bce 100644
--- a/web/app/components/base/prompt-editor/types.ts
+++ b/web/app/components/base/prompt-editor/types.ts
@@ -68,6 +68,8 @@ export type WorkflowVariableBlockType = {
   onInsert?: () => void
   onDelete?: () => void
   getVarType?: GetVarType
+  showManageInputField?: boolean
+  onManageInputField?: () => void
 }
 
 export type MenuTextMatch = {
diff --git a/web/app/components/rag-pipeline/components/input-field/dialog-wrapper.tsx b/web/app/components/rag-pipeline/components/input-field/dialog-wrapper.tsx
index aa118f8840..b0273962b4 100644
--- a/web/app/components/rag-pipeline/components/input-field/dialog-wrapper.tsx
+++ b/web/app/components/rag-pipeline/components/input-field/dialog-wrapper.tsx
@@ -21,7 +21,7 @@ const DialogWrapper = ({
   const close = useCallback(() => onClose?.(), [onClose])
   return (
     <Transition appear show={show} as={Fragment}>
-      <Dialog as='div' className='relative z-40' onClose={close}>
+      <Dialog as='div' className='relative z-[2000]' onClose={close}>
         <TransitionChild>
           <div className={cn(
             'fixed inset-0 bg-black/25',
diff --git a/web/app/components/rag-pipeline/components/input-field/editor/dialog-wrapper.tsx b/web/app/components/rag-pipeline/components/input-field/editor/dialog-wrapper.tsx
index 6c58547508..297c7efb94 100644
--- a/web/app/components/rag-pipeline/components/input-field/editor/dialog-wrapper.tsx
+++ b/web/app/components/rag-pipeline/components/input-field/editor/dialog-wrapper.tsx
@@ -21,7 +21,7 @@ const DialogWrapper = ({
   const close = useCallback(() => onClose?.(), [onClose])
   return (
     <Transition appear show={show} as={Fragment}>
-      <Dialog as='div' className='relative z-40' onClose={close}>
+      <Dialog as='div' className='relative z-[2001]' onClose={close}>
         <TransitionChild>
           <div className={cn(
             'fixed inset-0 bg-black/25',
diff --git a/web/app/components/workflow/hooks/use-nodes-interactions.ts b/web/app/components/workflow/hooks/use-nodes-interactions.ts
index d62cf5869c..40f2c23ccb 100644
--- a/web/app/components/workflow/hooks/use-nodes-interactions.ts
+++ b/web/app/components/workflow/hooks/use-nodes-interactions.ts
@@ -1251,7 +1251,7 @@ export const useNodesInteractions = () => {
     }
     else {
       // If no nodeId is provided, fall back to the current behavior
-      const bundledNodes = nodes.filter(node => node.data._isBundled && node.data.type !== BlockEnum.Start && node.data.type !== BlockEnum.DataSource
+      const bundledNodes = nodes.filter(node => node.data._isBundled && node.data.type !== BlockEnum.Start && node.data.type !== BlockEnum.DataSource && node.data.type !== BlockEnum.KnowledgeBase
         && !node.data.isInIteration && !node.data.isInLoop)
 
       if (bundledNodes.length) {
diff --git a/web/app/components/workflow/nodes/_base/components/input-support-select-var.tsx b/web/app/components/workflow/nodes/_base/components/input-support-select-var.tsx
index a741629da8..e8e2645a46 100644
--- a/web/app/components/workflow/nodes/_base/components/input-support-select-var.tsx
+++ b/web/app/components/workflow/nodes/_base/components/input-support-select-var.tsx
@@ -13,6 +13,7 @@ import PromptEditor from '@/app/components/base/prompt-editor'
 import { Variable02 } from '@/app/components/base/icons/src/vender/solid/development'
 import Tooltip from '@/app/components/base/tooltip'
 import { noop } from 'lodash-es'
+import { useStore } from '@/app/components/workflow/store'
 
 type Props = {
   instanceId?: string
@@ -56,6 +57,9 @@ const Editor: FC<Props> = ({
     // eslint-disable-next-line react-hooks/exhaustive-deps
   }, [isFocus])
 
+  const pipelineId = useStore(s => s.pipelineId)
+  const setShowInputFieldDialog = useStore(s => s.setShowInputFieldDialog)
+
   return (
     <div className={cn(className, 'relative')}>
       <>
@@ -103,6 +107,8 @@ const Editor: FC<Props> = ({
               }
               return acc
             }, {} as any),
+            showManageInputField: !!pipelineId,
+            onManageInputField: () => setShowInputFieldDialog?.(true),
           }}
           onChange={onChange}
           editable={!readOnly}
diff --git a/web/app/components/workflow/nodes/_base/components/prompt/editor.tsx b/web/app/components/workflow/nodes/_base/components/prompt/editor.tsx
index 0a7ebc2a09..51993d0397 100644
--- a/web/app/components/workflow/nodes/_base/components/prompt/editor.tsx
+++ b/web/app/components/workflow/nodes/_base/components/prompt/editor.tsx
@@ -254,7 +254,7 @@ const Editor: FC<Props> = ({
                     workflowVariableBlock={{
                       show: true,
                       variables: nodesOutputVars || [],
-                      getVarType,
+                      getVarType: getVarType as any,
                       workflowNodesMap: availableNodes.reduce((acc, node) => {
                         acc[node.id] = {
                           title: node.data.title,
diff --git a/web/app/components/workflow/nodes/_base/components/variable/manage-input-field.tsx b/web/app/components/workflow/nodes/_base/components/variable/manage-input-field.tsx
new file mode 100644
index 0000000000..929e585157
--- /dev/null
+++ b/web/app/components/workflow/nodes/_base/components/variable/manage-input-field.tsx
@@ -0,0 +1,38 @@
+import { useTranslation } from 'react-i18next'
+import { RiAddLine } from '@remixicon/react'
+
+type ManageInputFieldProps = {
+  onManage: () => void
+}
+
+const ManageInputField = ({
+  onManage,
+}: ManageInputFieldProps) => {
+  const { t } = useTranslation()
+
+ return (
+    <div className='flex items-center border-t border-divider-subtle pt-1'>
+      <div
+        className='flex h-8 grow cursor-pointer items-center px-3'
+        onClick={onManage}
+      >
+        <RiAddLine className='mr-1 h-4 w-4 text-text-tertiary' />
+        <div
+          className='system-xs-medium truncate text-text-tertiary'
+          title='Create user input field'
+        >
+          {t('pipeline.inputField.create')}
+        </div>
+      </div>
+      <div className='mx-1 h-3 w-[1px] shrink-0 bg-divider-regular'></div>
+      <div
+        className='system-xs-medium flex h-8 shrink-0 cursor-pointer items-center justify-center px-3 text-text-tertiary'
+        onClick={onManage}
+      >
+        {t('pipeline.inputField.manage')}
+      </div>
+    </div>
+  )
+}
+
+export default ManageInputField
diff --git a/web/app/components/workflow/nodes/_base/components/variable/var-reference-picker.tsx b/web/app/components/workflow/nodes/_base/components/variable/var-reference-picker.tsx
index f0b2b6c572..18ee82d865 100644
--- a/web/app/components/workflow/nodes/_base/components/variable/var-reference-picker.tsx
+++ b/web/app/components/workflow/nodes/_base/components/variable/var-reference-picker.tsx
@@ -319,6 +319,7 @@ const VarReferencePicker: FC<Props> = ({
 
     return null
   }, [isValidVar, isShowAPart, hasValue, t, outputVarNode?.title, outputVarNode?.type, value, type])
+
   return (
     <div className={cn(className, !readonly && 'cursor-pointer')}>
       <PortalToFollowElem
diff --git a/web/app/components/workflow/nodes/_base/components/variable/var-reference-popup.tsx b/web/app/components/workflow/nodes/_base/components/variable/var-reference-popup.tsx
index e35977ae31..6be35ec146 100644
--- a/web/app/components/workflow/nodes/_base/components/variable/var-reference-popup.tsx
+++ b/web/app/components/workflow/nodes/_base/components/variable/var-reference-popup.tsx
@@ -1,6 +1,6 @@
 'use client'
 import type { FC } from 'react'
-import React from 'react'
+import React, { useMemo } from 'react'
 import { useTranslation } from 'react-i18next'
 import { useContext } from 'use-context-selector'
 import VarReferenceVars from './var-reference-vars'
@@ -8,6 +8,7 @@ import type { NodeOutPutVar, ValueSelector, Var } from '@/app/components/workflo
 import ListEmpty from '@/app/components/base/list-empty'
 import { LanguagesSupported } from '@/i18n/language'
 import I18n from '@/context/i18n'
+import { useStore } from '@/app/components/workflow/store'
 
 type Props = {
   vars: NodeOutPutVar[]
@@ -25,6 +26,9 @@ const VarReferencePopup: FC<Props> = ({
 }) => {
   const { t } = useTranslation()
   const { locale } = useContext(I18n)
+  const pipelineId = useStore(s => s.pipelineId)
+  const showManageRagInputFields = useMemo(() => !!pipelineId, [pipelineId])
+  const setShowInputFieldDialog = useStore(s => s.setShowInputFieldDialog)
   // max-h-[300px] overflow-y-auto todo: use portal to handle long list
   return (
     <div className='space-y-1 rounded-lg border border-components-panel-border bg-components-panel-bg p-1 shadow-lg' style={{
@@ -57,6 +61,8 @@ const VarReferencePopup: FC<Props> = ({
           onChange={onChange}
           itemWidth={itemWidth}
           isSupportFileVar={isSupportFileVar}
+          showManageInputField={showManageRagInputFields}
+          onManageInputField={() => setShowInputFieldDialog?.(true)}
         />
       }
     </div >
diff --git a/web/app/components/workflow/nodes/_base/components/variable/var-reference-vars.tsx b/web/app/components/workflow/nodes/_base/components/variable/var-reference-vars.tsx
index b77c9f005b..329b14b9f2 100644
--- a/web/app/components/workflow/nodes/_base/components/variable/var-reference-vars.tsx
+++ b/web/app/components/workflow/nodes/_base/components/variable/var-reference-vars.tsx
@@ -24,6 +24,7 @@ import { FILE_STRUCT } from '@/app/components/workflow/constants'
 import { Loop } from '@/app/components/base/icons/src/vender/workflow'
 import { noop } from 'lodash-es'
 import { InputField } from '@/app/components/base/icons/src/vender/pipeline'
+import ManageInputField from './manage-input-field'
 
 type ObjectChildrenProps = {
   nodeId: string
@@ -266,6 +267,8 @@ type Props = {
   maxHeightClass?: string
   onClose?: () => void
   onBlur?: () => void
+  showManageInputField?: boolean
+  onManageInputField?: () => void
 }
 const VarReferenceVars: FC<Props> = ({
   hideSearch,
@@ -277,6 +280,8 @@ const VarReferenceVars: FC<Props> = ({
   maxHeightClass,
   onClose,
   onBlur,
+  showManageInputField,
+  onManageInputField,
 }) => {
   const { t } = useTranslation()
   const [searchText, setSearchText] = useState('')
@@ -367,6 +372,13 @@ const VarReferenceVars: FC<Props> = ({
           }
         </div>
         : <div className='pl-3 text-xs font-medium uppercase leading-[18px] text-gray-500'>{t('workflow.common.noVar')}</div>}
+      {
+        showManageInputField && (
+          <ManageInputField
+            onManage={onManageInputField || noop}
+          />
+        )
+      }
     </>
   )
 }
diff --git a/web/app/components/workflow/nodes/if-else/components/condition-list/condition-input.tsx b/web/app/components/workflow/nodes/if-else/components/condition-list/condition-input.tsx
index e6f08184c8..ea8f6a5b5d 100644
--- a/web/app/components/workflow/nodes/if-else/components/condition-list/condition-input.tsx
+++ b/web/app/components/workflow/nodes/if-else/components/condition-list/condition-input.tsx
@@ -23,6 +23,8 @@ const ConditionInput = ({
 }: ConditionInputProps) => {
   const { t } = useTranslation()
   const controlPromptEditorRerenderKey = useStore(s => s.controlPromptEditorRerenderKey)
+  const pipelineId = useStore(s => s.pipelineId)
+  const setShowInputFieldDialog = useStore(s => s.setShowInputFieldDialog)
 
   return (
     <PromptEditor
@@ -49,6 +51,8 @@ const ConditionInput = ({
           }
           return acc
         }, {} as any),
+        showManageInputField: !!pipelineId,
+        onManageInputField: () => setShowInputFieldDialog?.(true),
       }}
       onChange={onChange}
       editable={!disabled}
diff --git a/web/app/components/workflow/nodes/knowledge-base/default.ts b/web/app/components/workflow/nodes/knowledge-base/default.ts
index a7132df364..e43c08778f 100644
--- a/web/app/components/workflow/nodes/knowledge-base/default.ts
+++ b/web/app/components/workflow/nodes/knowledge-base/default.ts
@@ -13,7 +13,7 @@ const nodeDefault: NodeDefault<KnowledgeBaseNodeType> = {
     index_chunk_variable_selector: [],
     keyword_number: 10,
     retrieval_model: {
-      top_k: 2,
+      top_k: 3,
       score_threshold_enabled: false,
       score_threshold: 0.5,
     },
diff --git a/web/app/components/workflow/nodes/loop/components/condition-list/condition-input.tsx b/web/app/components/workflow/nodes/loop/components/condition-list/condition-input.tsx
index 5c02f140dc..4df537ee43 100644
--- a/web/app/components/workflow/nodes/loop/components/condition-list/condition-input.tsx
+++ b/web/app/components/workflow/nodes/loop/components/condition-list/condition-input.tsx
@@ -20,6 +20,8 @@ const ConditionInput = ({
 }: ConditionInputProps) => {
   const { t } = useTranslation()
   const controlPromptEditorRerenderKey = useStore(s => s.controlPromptEditorRerenderKey)
+  const pipelineId = useStore(s => s.pipelineId)
+  const setShowInputFieldDialog = useStore(s => s.setShowInputFieldDialog)
 
   return (
     <PromptEditor
@@ -43,6 +45,8 @@ const ConditionInput = ({
           }
           return acc
         }, {} as any),
+        showManageInputField: !!pipelineId,
+        onManageInputField: () => setShowInputFieldDialog?.(true),
       }}
       onChange={onChange}
       editable={!disabled}
diff --git a/web/i18n/en-US/pipeline.ts b/web/i18n/en-US/pipeline.ts
index 7a3d24b5ca..5f895eb250 100644
--- a/web/i18n/en-US/pipeline.ts
+++ b/web/i18n/en-US/pipeline.ts
@@ -11,6 +11,10 @@ const translation = {
       descriptionPlaceholder: 'Please enter the description of this Knowledge Pipeline. (Optional) ',
     },
   },
+  inputField: {
+    create: 'Create user input field',
+    manage: 'Manage',
+  },
 }
 
 export default translation
diff --git a/web/i18n/zh-Hans/pipeline.ts b/web/i18n/zh-Hans/pipeline.ts
index b02fc001a1..3197e66170 100644
--- a/web/i18n/zh-Hans/pipeline.ts
+++ b/web/i18n/zh-Hans/pipeline.ts
@@ -11,6 +11,10 @@ const translation = {
       descriptionPlaceholder: '请输入此 Pipeline 的描述。 (可选)',
     },
   },
+  inputField: {
+    create: '创建用户输入字段',
+    manage: '管理',
+  },
 }
 
 export default translation