diff --git a/web/app/components/plugins/plugin-detail-panel/multiple-tool-selector/index.tsx b/web/app/components/plugins/plugin-detail-panel/multiple-tool-selector/index.tsx
index 35c7842c0e..13a48dbabe 100644
--- a/web/app/components/plugins/plugin-detail-panel/multiple-tool-selector/index.tsx
+++ b/web/app/components/plugins/plugin-detail-panel/multiple-tool-selector/index.tsx
@@ -23,7 +23,6 @@ type Props = {
   supportCollapse?: boolean
   scope?: string
   onChange: (value: ToolValue[]) => void
-  supportVariables?: boolean
   nodeOutputVars: NodeOutPutVar[],
   availableNodes: Node[],
   nodeId?: string
@@ -38,7 +37,6 @@ const MultipleToolSelector = ({
   supportCollapse,
   scope,
   onChange,
-  supportVariables,
   nodeOutputVars,
   availableNodes,
   nodeId,
@@ -131,7 +129,6 @@ const MultipleToolSelector = ({
       {!collapse && (
         <>
           <ToolSelector
-            supportVariables={supportVariables}
             nodeId={nodeId}
             nodeOutputVars={nodeOutputVars}
             availableNodes={availableNodes}
@@ -154,7 +151,6 @@ const MultipleToolSelector = ({
           {value.length > 0 && value.map((item, index) => (
             <div className='mb-1' key={index}>
               <ToolSelector
-                supportVariables={supportVariables}
                 nodeId={nodeId}
                 nodeOutputVars={nodeOutputVars}
                 availableNodes={availableNodes}
diff --git a/web/app/components/plugins/plugin-detail-panel/tool-selector/index.tsx b/web/app/components/plugins/plugin-detail-panel/tool-selector/index.tsx
index d2c8575610..3d5127f292 100644
--- a/web/app/components/plugins/plugin-detail-panel/tool-selector/index.tsx
+++ b/web/app/components/plugins/plugin-detail-panel/tool-selector/index.tsx
@@ -70,7 +70,6 @@ type Props = {
   onControlledStateChange?: (state: boolean) => void
   panelShowState?: boolean
   onPanelShowStateChange?: (state: boolean) => void
-  supportVariables?: boolean
   nodeOutputVars: NodeOutPutVar[],
   availableNodes: Node[],
   nodeId?: string,
@@ -346,7 +345,7 @@ const ToolSelector: FC<Props> = ({
                   <>
                     <Divider className='my-1 w-full' />
                     {/* tabs */}
-                    {showTabSlider && (
+                    {nodeId && showTabSlider && (
                       <TabSlider
                         className='shrink-0 mt-1 px-4'
                         itemClassName='py-3'
@@ -362,7 +361,7 @@ const ToolSelector: FC<Props> = ({
                         ]}
                       />
                     )}
-                    {showTabSlider && currType === 'params' && (
+                    {nodeId && showTabSlider && currType === 'params' && (
                       <div className='px-4 py-2'>
                         <div className='text-text-tertiary system-xs-regular'>{t('plugin.detailPanel.toolSelector.paramsTip1')}</div>
                         <div className='text-text-tertiary system-xs-regular'>{t('plugin.detailPanel.toolSelector.paramsTip2')}</div>
@@ -375,7 +374,7 @@ const ToolSelector: FC<Props> = ({
                       </div>
                     )}
                     {/* reasoning config only */}
-                    {reasoningConfigOnly && (
+                    {nodeId && reasoningConfigOnly && (
                       <div className='mb-1 p-4 pb-1'>
                         <div className='text-text-primary system-sm-semibold-uppercase'>{t('plugin.detailPanel.toolSelector.params')}</div>
                         <div className='pb-1'>
@@ -409,7 +408,7 @@ const ToolSelector: FC<Props> = ({
                       </div>
                     )}
                     {/* reasoning config form */}
-                    {(currType === 'params' || reasoningConfigOnly) && (
+                    {nodeId && (currType === 'params' || reasoningConfigOnly) && (
                       <ReasoningConfigForm
                         value={value?.parameters || {}}
                         onChange={handleParamsFormChange}
diff --git a/web/app/components/plugins/plugin-detail-panel/tool-selector/reasoning-config-form.tsx b/web/app/components/plugins/plugin-detail-panel/tool-selector/reasoning-config-form.tsx
index 2e340c6f3c..175c2e4eeb 100644
--- a/web/app/components/plugins/plugin-detail-panel/tool-selector/reasoning-config-form.tsx
+++ b/web/app/components/plugins/plugin-detail-panel/tool-selector/reasoning-config-form.tsx
@@ -62,18 +62,18 @@ const ReasoningConfigForm: React.FC<Props> = ({
   //     })
   //   }
   // }, [])
-  const handleNotMixedTypeChange = useCallback((variable: string, toString = false) => {
+  const handleNotMixedTypeChange = useCallback((variable: string) => {
     return (varValue: ValueSelector | string, varKindType: VarKindType) => {
       const newValue = produce(value, (draft: ToolVarInputs) => {
         const target = draft[variable].value
         if (target) {
           target.type = varKindType
-          target.value = toString ? `${varValue}` : varValue
+          target.value = varValue
         }
         else {
           draft[variable].value = {
             type: varKindType,
-            value: toString ? `${varValue}` : varValue,
+            value: varValue,
           }
         }
       })
@@ -170,7 +170,7 @@ const ReasoningConfigForm: React.FC<Props> = ({
             {tooltipContent}
           </div>
           <div className='flex items-center gap-1 px-2 py-1 rounded-[6px] border border-divider-subtle bg-background-default-lighter cursor-pointer hover:bg-state-base-hover' onClick={() => handleAutomatic(variable, !auto)}>
-            <span className='text-text-secondary system-xs-medium'>automatic</span>
+            <span className='text-text-secondary system-xs-medium'>{t('plugin.detailPanel.toolSelector.auto')}</span>
             <Switch
               size='xs'
               defaultValue={!!auto}
@@ -198,8 +198,8 @@ const ReasoningConfigForm: React.FC<Props> = ({
                 readonly={false}
                 isShowNodeName
                 nodeId={nodeId}
-                value={varInput?.value || []}
-                onChange={handleNotMixedTypeChange(variable, true)}
+                value={varInput?.value || ''}
+                onChange={handleNotMixedTypeChange(variable)}
                 defaultVarKindType={VarKindType.variable}
                 filterVar={(varPayload: Var) => varPayload.type === VarType.number || varPayload.type === VarType.secret || varPayload.type === VarType.string}
               />
diff --git a/web/app/components/workflow/nodes/_base/components/agent-strategy.tsx b/web/app/components/workflow/nodes/_base/components/agent-strategy.tsx
index 70f40995f9..b7553d8450 100644
--- a/web/app/components/workflow/nodes/_base/components/agent-strategy.tsx
+++ b/web/app/components/workflow/nodes/_base/components/agent-strategy.tsx
@@ -155,7 +155,6 @@ export const AgentStrategy = memo((props: AgentStrategyProps) => {
             tooltip={schema.tooltip && renderI18nObject(schema.tooltip)}
           >
             <ToolSelector
-              supportVariables
               nodeId={props.nodeId || ''}
               nodeOutputVars={props.nodeOutputVars || []}
               availableNodes={props.availableNodes || []}
@@ -174,7 +173,6 @@ export const AgentStrategy = memo((props: AgentStrategyProps) => {
         }
         return (
           <MultipleToolSelector
-            supportVariables
             nodeId={props.nodeId || ''}
             nodeOutputVars={props.nodeOutputVars || []}
             availableNodes={props.availableNodes || []}
diff --git a/web/i18n/en-US/plugin.ts b/web/i18n/en-US/plugin.ts
index ba8cb1083a..f302d81c47 100644
--- a/web/i18n/en-US/plugin.ts
+++ b/web/i18n/en-US/plugin.ts
@@ -82,6 +82,7 @@ const translation = {
       params: 'REASONING CONFIG',
       paramsTip1: 'Controls LLM inference parameters.',
       paramsTip2: 'When \'Automatic\' is off, the default value is used.',
+      auto: 'Automatic',
       empty: 'Click the \'+\' button to add tools. You can add multiple tools.',
       uninstalledTitle: 'Tool not installed',
       uninstalledContent: 'This plugin is installed from the local/GitHub repository. Please use after installation.',
diff --git a/web/i18n/zh-Hans/plugin.ts b/web/i18n/zh-Hans/plugin.ts
index bb5e2b866e..c13f7b84f1 100644
--- a/web/i18n/zh-Hans/plugin.ts
+++ b/web/i18n/zh-Hans/plugin.ts
@@ -82,6 +82,7 @@ const translation = {
       params: '推理配置',
       paramsTip1: '控制 LLM 推理参数。',
       paramsTip2: '当“自动”关闭时，使用默认值。',
+      auto: '自动',
       empty: '点击 "+" 按钮添加工具。您可以添加多个工具。',
       uninstalledTitle: '工具未安装',
       uninstalledContent: '此插件安装自 本地 / GitHub 仓库，请安装后使用。',