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 32f74e6457..68382c5e4d 100644
--- a/web/app/components/base/chat/chat-with-history/hooks.tsx
+++ b/web/app/components/base/chat/chat-with-history/hooks.tsx
@@ -219,7 +219,7 @@ export const useChatWithHistory = (installedAppInfo?: InstalledApp) => {
         const isInputInOptions = item.select.options.includes(initInputs[item.select.variable])
         return {
           ...item.select,
-          default: (isInputInOptions ? initInputs[item.select.variable] : undefined) || item.default,
+          default: (isInputInOptions ? initInputs[item.select.variable] : undefined) || item.select.default,
           type: 'select',
         }
       }
diff --git a/web/app/components/base/chat/chat-with-history/inputs-form/content.tsx b/web/app/components/base/chat/chat-with-history/inputs-form/content.tsx
index 73a1f07b69..3304d50a50 100644
--- a/web/app/components/base/chat/chat-with-history/inputs-form/content.tsx
+++ b/web/app/components/base/chat/chat-with-history/inputs-form/content.tsx
@@ -73,7 +73,7 @@ const InputsFormContent = ({ showTip }: Props) => {
           {form.type === InputVarType.select && (
             <PortalSelect
               popupClassName='w-[200px]'
-              value={inputsFormValue?.[form.variable]}
+              value={inputsFormValue?.[form.variable] ?? form.default ?? ''}
               items={form.options.map((option: string) => ({ value: option, name: option }))}
               onSelect={item => handleFormChange(form.variable, item.value as string)}
               placeholder={form.label}