diff --git a/web/app/components/app/configuration/config-var/config-modal/index.tsx b/web/app/components/app/configuration/config-var/config-modal/index.tsx
index b0f0ea8779..bedcbfedbd 100644
--- a/web/app/components/app/configuration/config-var/config-modal/index.tsx
+++ b/web/app/components/app/configuration/config-var/config-modal/index.tsx
@@ -32,6 +32,19 @@ import { TransferMethod } from '@/types/app'
 import type { FileEntity } from '@/app/components/base/file-uploader/types'
 
 const TEXT_MAX_LENGTH = 256
+const CHECKBOX_DEFAULT_TRUE_VALUE = 'true'
+const CHECKBOX_DEFAULT_FALSE_VALUE = 'false'
+
+const getCheckboxDefaultSelectValue = (value: InputVar['default']) => {
+  if (typeof value === 'boolean')
+    return value ? CHECKBOX_DEFAULT_TRUE_VALUE : CHECKBOX_DEFAULT_FALSE_VALUE
+  if (typeof value === 'string')
+    return value.toLowerCase() === CHECKBOX_DEFAULT_TRUE_VALUE ? CHECKBOX_DEFAULT_TRUE_VALUE : CHECKBOX_DEFAULT_FALSE_VALUE
+  return CHECKBOX_DEFAULT_FALSE_VALUE
+}
+
+const parseCheckboxSelectValue = (value: string) =>
+  value === CHECKBOX_DEFAULT_TRUE_VALUE
 
 export type IConfigModalProps = {
   isCreate?: boolean
@@ -198,6 +211,8 @@ const ConfigModal: FC<IConfigModalProps> = ({
     handlePayloadChange('variable')(e.target.value)
   }, [handlePayloadChange, t])
 
+  const checkboxDefaultSelectValue = useMemo(() => getCheckboxDefaultSelectValue(tempPayload.default), [tempPayload.default])
+
   const handleConfirm = () => {
     const moreInfo = tempPayload.variable === payload?.variable
       ? undefined
@@ -324,6 +339,23 @@ const ConfigModal: FC<IConfigModalProps> = ({
             </Field>
           )}
 
+          {type === InputVarType.checkbox && (
+            <Field title={t('appDebug.variableConfig.defaultValue')}>
+              <SimpleSelect
+                className="w-full"
+                optionWrapClassName="max-h-[140px] overflow-y-auto"
+                items={[
+                  { value: CHECKBOX_DEFAULT_TRUE_VALUE, name: t('appDebug.variableConfig.startChecked') },
+                  { value: CHECKBOX_DEFAULT_FALSE_VALUE, name: t('appDebug.variableConfig.noDefaultSelected') },
+                ]}
+                defaultValue={checkboxDefaultSelectValue}
+                onSelect={item => handlePayloadChange('default')(parseCheckboxSelectValue(String(item.value)))}
+                placeholder={t('appDebug.variableConfig.selectDefaultValue')}
+                allowSearch={false}
+              />
+            </Field>
+          )}
+
           {type === InputVarType.select && (
             <>
               <Field title={t('appDebug.variableConfig.options')}>
diff --git a/web/app/components/base/chat/chat-with-history/hooks.tsx b/web/app/components/base/chat/chat-with-history/hooks.tsx
index fb3e1bb8f3..79b6984bfe 100644
--- a/web/app/components/base/chat/chat-with-history/hooks.tsx
+++ b/web/app/components/base/chat/chat-with-history/hooks.tsx
@@ -235,13 +235,15 @@ export const useChatWithHistory = (installedAppInfo?: InstalledApp) => {
         }
       }
 
-      if(item.checkbox) {
+      if (item.checkbox) {
+        const preset = initInputs[item.checkbox.variable] === true
         return {
           ...item.checkbox,
-          default: false,
+          default: preset || item.default || item.checkbox.default,
           type: 'checkbox',
         }
       }
+
       if (item.select) {
         const isInputInOptions = item.select.options.includes(initInputs[item.select.variable])
         return {
diff --git a/web/app/components/base/chat/embedded-chatbot/hooks.tsx b/web/app/components/base/chat/embedded-chatbot/hooks.tsx
index 14a32860b9..aa7006db25 100644
--- a/web/app/components/base/chat/embedded-chatbot/hooks.tsx
+++ b/web/app/components/base/chat/embedded-chatbot/hooks.tsx
@@ -195,13 +195,16 @@ export const useEmbeddedChatbot = () => {
           type: 'number',
         }
       }
+
       if (item.checkbox) {
+        const preset = initInputs[item.checkbox.variable] === true
         return {
           ...item.checkbox,
-          default: false,
+          default: preset || item.default || item.checkbox.default,
           type: 'checkbox',
         }
       }
+
       if (item.select) {
         const isInputInOptions = item.select.options.includes(initInputs[item.select.variable])
         return {
diff --git a/web/app/components/share/text-generation/result/index.tsx b/web/app/components/share/text-generation/result/index.tsx
index a7eb7f7591..ddc0d772c3 100644
--- a/web/app/components/share/text-generation/result/index.tsx
+++ b/web/app/components/share/text-generation/result/index.tsx
@@ -126,8 +126,8 @@ const Result: FC<IResultProps> = ({
 
     let hasEmptyInput = ''
     const requiredVars = prompt_variables?.filter(({ key, name, required, type }) => {
-      if(type === 'boolean')
-        return false // boolean input is not required
+      if(type === 'boolean' || type === 'checkbox')
+        return false // boolean/checkbox input is not required
       const res = (!key || !key.trim()) || (!name || !name.trim()) || (required || required === undefined || required === null)
       return res
     }) || [] // compatible with old version
diff --git a/web/app/components/share/text-generation/run-once/index.tsx b/web/app/components/share/text-generation/run-once/index.tsx
index 7896776f35..4f94aa1fe8 100644
--- a/web/app/components/share/text-generation/run-once/index.tsx
+++ b/web/app/components/share/text-generation/run-once/index.tsx
@@ -51,6 +51,8 @@ const RunOnce: FC<IRunOnceProps> = ({
     promptConfig.prompt_variables.forEach((item) => {
       if (item.type === 'string' || item.type === 'paragraph')
         newInputs[item.key] = ''
+      else if (item.type === 'checkbox')
+        newInputs[item.key] = false
       else
         newInputs[item.key] = undefined
     })
@@ -77,6 +79,8 @@ const RunOnce: FC<IRunOnceProps> = ({
         newInputs[item.key] = item.default || ''
       else if (item.type === 'number')
         newInputs[item.key] = item.default
+      else if (item.type === 'checkbox')
+        newInputs[item.key] = item.default || false
       else if (item.type === 'file')
         newInputs[item.key] = item.default
       else if (item.type === 'file-list')
@@ -96,7 +100,7 @@ const RunOnce: FC<IRunOnceProps> = ({
           {(inputs === null || inputs === undefined || Object.keys(inputs).length === 0) || !isInitialized ? null
             : promptConfig.prompt_variables.map(item => (
               <div className='mt-4 w-full' key={item.key}>
-                {item.type !== 'boolean' && (
+                {item.type !== 'checkbox' && (
                   <label className='system-md-semibold flex h-6 items-center text-text-secondary'>{item.name}</label>
                 )}
                 <div className='mt-1'>
@@ -134,7 +138,7 @@ const RunOnce: FC<IRunOnceProps> = ({
                       onChange={(e: ChangeEvent<HTMLInputElement>) => { handleInputsChange({ ...inputsRef.current, [item.key]: e.target.value }) }}
                     />
                   )}
-                  {item.type === 'boolean' && (
+                  {item.type === 'checkbox' && (
                     <BoolInput
                       name={item.name || item.key}
                       value={!!inputs[item.key]}
diff --git a/web/utils/model-config.ts b/web/utils/model-config.ts
index c940a6969f..3f655ce036 100644
--- a/web/utils/model-config.ts
+++ b/web/utils/model-config.ts
@@ -61,6 +61,17 @@ export const userInputsFormToPromptVariables = (useInputs: UserInputFormItem[] |
         default: content.default,
       })
     }
+    else if (type === 'boolean') {
+      promptVariables.push({
+        key: content.variable,
+        name: content.label,
+        required: content.required,
+        type: 'checkbox',
+        options: [],
+        hide: content.hide,
+        default: content.default,
+      })
+    }
     else if (type === 'select') {
       promptVariables.push({
         key: content.variable,