diff --git a/apps/admin/app/dashboard/server/form-schema.ts b/apps/admin/app/dashboard/server/form-schema.ts
index 411d3c7..18cfc28 100644
--- a/apps/admin/app/dashboard/server/form-schema.ts
+++ b/apps/admin/app/dashboard/server/form-schema.ts
@@ -3,7 +3,7 @@ import { z } from '@shadcn/ui/lib/zod';
 export const protocols = ['shadowsocks', 'vmess', 'vless', 'trojan', 'hysteria2', 'tuic'];
 
 const nullableString = z.string().nullish();
-const portSchema = z.number().min(1).max(65535);
+const portSchema = z.number().max(65535).nullish();
 const securityConfigSchema = z
   .object({
     sni: nullableString,
@@ -13,7 +13,7 @@ const securityConfigSchema = z
     reality_public_key: nullableString,
     reality_short_id: nullableString,
     reality_server_addr: nullableString,
-    reality_server_port: portSchema.nullish(),
+    reality_server_port: portSchema,
   })
   .nullish();
 
@@ -94,7 +94,7 @@ const baseFormSchema = z.object({
   group_id: z.number().nullish(),
   enable_relay: z.boolean().nullish().default(false),
   relay_host: nullableString,
-  relay_port: z.number().nullish(),
+  relay_port: portSchema,
 });
 
 export const formSchema = z.intersection(baseFormSchema, protocolConfigSchema);
diff --git a/apps/admin/app/dashboard/server/node-form.tsx b/apps/admin/app/dashboard/server/node-form.tsx
index 6f001ce..3375e56 100644
--- a/apps/admin/app/dashboard/server/node-form.tsx
+++ b/apps/admin/app/dashboard/server/node-form.tsx
@@ -249,6 +249,8 @@ export default function NodeForm<T extends { [x: string]: any }>({
                         <EnhancedInput
                           {...field}
                           type='number'
+                          min={1}
+                          max={65535}
                           onValueChange={(value) => {
                             form.setValue(field.name, value);
                           }}
@@ -343,6 +345,8 @@ export default function NodeForm<T extends { [x: string]: any }>({
                           <EnhancedInput
                             {...field}
                             type='number'
+                            min={1}
+                            max={65535}
                             onValueChange={(value) => {
                               form.setValue(field.name, value);
                             }}
@@ -666,6 +670,8 @@ export default function NodeForm<T extends { [x: string]: any }>({
                                     <EnhancedInput
                                       {...field}
                                       type='number'
+                                      min={1}
+                                      max={65535}
                                       placeholder={t('form.security_config.serverPortPlaceholder')}
                                       onValueChange={(value) => {
                                         form.setValue(field.name, value);