diff --git a/web/app/components/workflow/nodes/_base/components/before-run-form/index.tsx b/web/app/components/workflow/nodes/_base/components/before-run-form/index.tsx
index 55c408a97a..bd84ba46ea 100644
--- a/web/app/components/workflow/nodes/_base/components/before-run-form/index.tsx
+++ b/web/app/components/workflow/nodes/_base/components/before-run-form/index.tsx
@@ -129,7 +129,7 @@ const BeforeRunForm: FC<BeforeRunFormProps> = ({
                 <StopCircle className='w-4 h-4 text-gray-500' />
               </div>
             )}
-            <Button disabled={isRunning} type='primary' className='w-0 grow !h-8 flex items-center space-x-2' onClick={handleRun}>
+            <Button disabled={isRunning} type='primary' className='w-0 grow !h-8 flex items-center space-x-2 text-[13px]' onClick={handleRun}>
               {isRunning && <Loading02 className='animate-spin w-4 h-4 text-white' />}
               <div>{t(`${i18nPrefix}.${isRunning ? 'running' : 'startRun'}`)}</div>
             </Button>