diff --git a/apps/admin/app/dashboard/ads/ads-form.tsx b/apps/admin/app/dashboard/ads/ads-form.tsx
index 2fc5716..2386403 100644
--- a/apps/admin/app/dashboard/ads/ads-form.tsx
+++ b/apps/admin/app/dashboard/ads/ads-form.tsx
@@ -225,6 +225,7 @@ export default function AdsForm<T extends Record<string, any>>({
                     <FormControl>
                       <EnhancedInput
                         type='datetime-local'
+                        step='1'
                         placeholder={t('form.enterStartTime')}
                         value={field.value ? new Date(field.value).toISOString().slice(0, 16) : ''}
                         min={Number(new Date().toISOString().slice(0, 16))}
@@ -253,6 +254,7 @@ export default function AdsForm<T extends Record<string, any>>({
                       <FormControl>
                         <EnhancedInput
                           type='datetime-local'
+                          step='1'
                           placeholder={t('form.enterEndTime')}
                           value={
                             field.value ? new Date(field.value).toISOString().slice(0, 16) : ''
diff --git a/apps/admin/app/dashboard/marketing/email/broadcast-form.tsx b/apps/admin/app/dashboard/marketing/email/broadcast-form.tsx
index cb33af8..472cb64 100644
--- a/apps/admin/app/dashboard/marketing/email/broadcast-form.tsx
+++ b/apps/admin/app/dashboard/marketing/email/broadcast-form.tsx
@@ -366,6 +366,7 @@ export default function EmailBroadcastForm() {
                           <FormControl>
                             <EnhancedInput
                               type='datetime-local'
+                              step='1'
                               disabled={form.watch('scope') === 5} // ScopeSkip
                               value={field.value}
                               onValueChange={field.onChange}
@@ -384,6 +385,7 @@ export default function EmailBroadcastForm() {
                           <FormControl>
                             <EnhancedInput
                               type='datetime-local'
+                              step='1'
                               disabled={form.watch('scope') === 5} // ScopeSkip
                               value={field.value}
                               onValueChange={field.onChange}
@@ -425,6 +427,7 @@ export default function EmailBroadcastForm() {
                         <FormControl>
                           <EnhancedInput
                             type='datetime-local'
+                            step='1'
                             placeholder={t('leaveEmptyForImmediateSend')}
                             value={field.value}
                             onValueChange={field.onChange}
diff --git a/apps/admin/app/dashboard/marketing/quota/broadcast-form.tsx b/apps/admin/app/dashboard/marketing/quota/broadcast-form.tsx
index 97ea242..487918a 100644
--- a/apps/admin/app/dashboard/marketing/quota/broadcast-form.tsx
+++ b/apps/admin/app/dashboard/marketing/quota/broadcast-form.tsx
@@ -269,6 +269,7 @@ export default function QuotaBroadcastForm() {
                       <FormControl>
                         <EnhancedInput
                           type='datetime-local'
+                          step='1'
                           value={field.value}
                           onValueChange={field.onChange}
                         />
@@ -286,6 +287,7 @@ export default function QuotaBroadcastForm() {
                       <FormControl>
                         <EnhancedInput
                           type='datetime-local'
+                          step='1'
                           value={field.value}
                           onValueChange={field.onChange}
                         />
diff --git a/apps/admin/app/dashboard/servers/dynamic-multiplier.tsx b/apps/admin/app/dashboard/servers/dynamic-multiplier.tsx
index 8a889a4..8eb7819 100644
--- a/apps/admin/app/dashboard/servers/dynamic-multiplier.tsx
+++ b/apps/admin/app/dashboard/servers/dynamic-multiplier.tsx
@@ -79,8 +79,18 @@ export default function DynamicMultiplier() {
           <div className='space-y-4 pt-4'>
             <ArrayInput<API.TimePeriod>
               fields={[
-                { name: 'start_time', prefix: t('server_config.fields.start_time'), type: 'time' },
-                { name: 'end_time', prefix: t('server_config.fields.end_time'), type: 'time' },
+                {
+                  name: 'start_time',
+                  prefix: t('server_config.fields.start_time'),
+                  type: 'time',
+                  step: '1',
+                },
+                {
+                  name: 'end_time',
+                  prefix: t('server_config.fields.end_time'),
+                  type: 'time',
+                  step: '1',
+                },
                 {
                   name: 'multiplier',
                   prefix: t('server_config.fields.multiplier'),