diff --git a/web/src/components/knowledge-base-item.tsx b/web/src/components/knowledge-base-item.tsx
index 1ab32dd66..9e723df87 100644
--- a/web/src/components/knowledge-base-item.tsx
+++ b/web/src/components/knowledge-base-item.tsx
@@ -98,6 +98,7 @@ export function KnowledgeBaseFormField() {
               placeholder={t('knowledgeBasesMessage')}
               variant="inverted"
               maxCount={100}
+              defaultValue={field.value}
               {...field}
             />
           </FormControl>
diff --git a/web/src/components/rerank.tsx b/web/src/components/rerank.tsx
index 34439fdfd..08add5251 100644
--- a/web/src/components/rerank.tsx
+++ b/web/src/components/rerank.tsx
@@ -3,6 +3,7 @@ import { useTranslate } from '@/hooks/common-hooks';
 import { useSelectLlmOptionsByModelType } from '@/hooks/llm-hooks';
 import { Select as AntSelect, Form, Slider } from 'antd';
 import { useFormContext } from 'react-hook-form';
+import { SingleFormSlider } from './ui/dual-range-slider';
 import {
   FormControl,
   FormField,
@@ -19,7 +20,6 @@ import {
   SelectTrigger,
   SelectValue,
 } from './ui/select';
-import { FormSlider } from './ui/slider';
 
 type FieldType = {
   rerank_id?: string;
@@ -140,7 +140,11 @@ export function RerankFormFields() {
             <FormItem>
               <FormLabel>{t('topK')}</FormLabel>
               <FormControl>
-                <FormSlider {...field} max={2048} min={1}></FormSlider>
+                <SingleFormSlider
+                  {...field}
+                  max={2048}
+                  min={1}
+                ></SingleFormSlider>
               </FormControl>
               <FormMessage />
             </FormItem>
diff --git a/web/src/components/similarity-slider/index.tsx b/web/src/components/similarity-slider/index.tsx
index 308b496c7..04cd1587f 100644
--- a/web/src/components/similarity-slider/index.tsx
+++ b/web/src/components/similarity-slider/index.tsx
@@ -1,6 +1,7 @@
 import { useTranslate } from '@/hooks/common-hooks';
 import { Form, Slider } from 'antd';
 import { useFormContext } from 'react-hook-form';
+import { SingleFormSlider } from '../ui/dual-range-slider';
 import {
   FormControl,
   FormField,
@@ -8,7 +9,6 @@ import {
   FormLabel,
   FormMessage,
 } from '../ui/form';
-import { FormSlider } from '../ui/slider';
 
 type FieldType = {
   similarity_threshold?: number;
@@ -51,28 +51,51 @@ const SimilaritySlider = ({
 export default SimilaritySlider;
 
 interface SimilaritySliderFormFieldProps {
-  name?: string;
+  vectorSimilarityWeightName?: string;
 }
 
 export function SimilaritySliderFormField({
-  name = 'vector_similarity_weight',
+  vectorSimilarityWeightName = 'vector_similarity_weight',
 }: SimilaritySliderFormFieldProps) {
   const form = useFormContext();
   const { t } = useTranslate('knowledgeDetails');
 
   return (
-    <FormField
-      control={form.control}
-      name={name}
-      render={({ field }) => (
-        <FormItem>
-          <FormLabel>{t('vectorSimilarityWeight')}</FormLabel>
-          <FormControl>
-            <FormSlider {...field}></FormSlider>
-          </FormControl>
-          <FormMessage />
-        </FormItem>
-      )}
-    />
+    <>
+      <FormField
+        control={form.control}
+        name={'similarity_threshold'}
+        render={({ field }) => (
+          <FormItem>
+            <FormLabel>{t('similarityThreshold')}</FormLabel>
+            <FormControl>
+              <SingleFormSlider
+                {...field}
+                max={1}
+                step={0.01}
+              ></SingleFormSlider>
+            </FormControl>
+            <FormMessage />
+          </FormItem>
+        )}
+      />
+      <FormField
+        control={form.control}
+        name={vectorSimilarityWeightName}
+        render={({ field }) => (
+          <FormItem>
+            <FormLabel>{t('vectorSimilarityWeight')}</FormLabel>
+            <FormControl>
+              <SingleFormSlider
+                {...field}
+                max={1}
+                step={0.01}
+              ></SingleFormSlider>
+            </FormControl>
+            <FormMessage />
+          </FormItem>
+        )}
+      />
+    </>
   );
 }
diff --git a/web/src/components/top-n-item.tsx b/web/src/components/top-n-item.tsx
index 8c1c52d58..636a7a4f0 100644
--- a/web/src/components/top-n-item.tsx
+++ b/web/src/components/top-n-item.tsx
@@ -1,6 +1,7 @@
 import { useTranslate } from '@/hooks/common-hooks';
 import { Form, Slider } from 'antd';
 import { useFormContext } from 'react-hook-form';
+import { SingleFormSlider } from './ui/dual-range-slider';
 import {
   FormControl,
   FormField,
@@ -8,7 +9,6 @@ import {
   FormLabel,
   FormMessage,
 } from './ui/form';
-import { FormSlider } from './ui/slider';
 
 type FieldType = {
   top_n?: number;
@@ -52,7 +52,7 @@ export function TopNFormField({ max = 30 }: SimilaritySliderFormFieldProps) {
         <FormItem>
           <FormLabel>{t('topN')}</FormLabel>
           <FormControl>
-            <FormSlider {...field} max={max}></FormSlider>
+            <SingleFormSlider {...field} max={max}></SingleFormSlider>
           </FormControl>
           <FormMessage />
         </FormItem>
diff --git a/web/src/components/ui/dual-range-slider.tsx b/web/src/components/ui/dual-range-slider.tsx
new file mode 100644
index 000000000..3d2be3937
--- /dev/null
+++ b/web/src/components/ui/dual-range-slider.tsx
@@ -0,0 +1,78 @@
+'use client';
+
+import * as SliderPrimitive from '@radix-ui/react-slider';
+import * as React from 'react';
+
+import { cn } from '@/lib/utils';
+
+interface DualRangeSliderProps
+  extends React.ComponentProps<typeof SliderPrimitive.Root> {
+  labelPosition?: 'top' | 'bottom';
+  label?: (value: number | undefined) => React.ReactNode;
+}
+
+const DualRangeSlider = React.forwardRef<
+  React.ElementRef<typeof SliderPrimitive.Root>,
+  DualRangeSliderProps
+>(({ className, label, labelPosition = 'top', ...props }, ref) => {
+  const initialValue = Array.isArray(props.value)
+    ? props.value
+    : [props.min, props.max];
+
+  return (
+    <SliderPrimitive.Root
+      ref={ref}
+      className={cn(
+        'relative flex w-full touch-none select-none items-center',
+        className,
+      )}
+      {...props}
+    >
+      <SliderPrimitive.Track className="relative h-2 w-full grow overflow-hidden rounded-full bg-secondary">
+        <SliderPrimitive.Range className="absolute h-full bg-primary" />
+      </SliderPrimitive.Track>
+      {initialValue.map((value, index) => (
+        <React.Fragment key={index}>
+          <SliderPrimitive.Thumb className="relative block h-4 w-4 rounded-full border-2 border-primary bg-background ring-offset-background transition-colors focus-visible:outline-none focus-visible:ring-2 focus-visible:ring-ring focus-visible:ring-offset-2 disabled:pointer-events-none disabled:opacity-50 cursor-pointer">
+            {label && (
+              <span
+                className={cn(
+                  'absolute flex w-full justify-center',
+                  labelPosition === 'top' && '-top-7',
+                  labelPosition === 'bottom' && 'top-4',
+                )}
+              >
+                {label(value)}
+              </span>
+            )}
+          </SliderPrimitive.Thumb>
+        </React.Fragment>
+      ))}
+    </SliderPrimitive.Root>
+  );
+});
+DualRangeSlider.displayName = 'DualRangeSlider';
+
+type SingleSliderProps = Omit<
+  React.ComponentPropsWithoutRef<typeof SliderPrimitive.Root>,
+  'onChange' | 'value'
+> & { onChange: (value: number) => void; value: number };
+
+const SingleFormSlider = React.forwardRef<
+  React.ElementRef<typeof SliderPrimitive.Root>,
+  SingleSliderProps
+>(({ value, onChange, ...props }, ref) => {
+  return (
+    <DualRangeSlider
+      ref={ref}
+      label={(value) => value}
+      value={[value]}
+      onValueChange={(vals) => {
+        onChange(vals[0]);
+      }}
+      {...props}
+    />
+  );
+});
+
+export { DualRangeSlider, SingleFormSlider };
diff --git a/web/src/pages/agent/form/retrieval-form/next.tsx b/web/src/pages/agent/form/retrieval-form/next.tsx
index 8b7dbae60..82747e7c8 100644
--- a/web/src/pages/agent/form/retrieval-form/next.tsx
+++ b/web/src/pages/agent/form/retrieval-form/next.tsx
@@ -26,7 +26,7 @@ const RetrievalForm = ({ form, node }: INextOperatorForm) => {
         }}
       >
         <DynamicVariableForm></DynamicVariableForm>
-        <SimilaritySliderFormField name="keywords_similarity_weight"></SimilaritySliderFormField>
+        <SimilaritySliderFormField vectorSimilarityWeightName="keywords_similarity_weight"></SimilaritySliderFormField>
         <TopNFormField></TopNFormField>
         <RerankFormFields></RerankFormFields>
         <KnowledgeBaseFormField></KnowledgeBaseFormField>