优化组件页面代码

src/app/(root)/cust/update.tsx

@@ -37,7 +37,7 @@ import type { ProductDiscount } from "@/models/product_discount"
 const editUserSchema = z
   .object({
     id: z.number(),
-    username: z.string().min(2, "用户名至少2个字符"),
+    username: z.string().optional(),
     email: z.string().email("邮箱格式不正确").optional().or(z.literal("")),
     password: z.string().optional(),
     confirmPassword: z.string().optional(),
@@ -230,7 +230,7 @@ export function UpdateDialog({
               control={control}
               render={({ field, fieldState }) => (
                 <Field data-invalid={fieldState.invalid}>
-                  <FieldLabel>用户名 *</FieldLabel>
+                  <FieldLabel>用户名</FieldLabel>
                   <Input {...field} placeholder="请输入用户名" />
                   <FieldError>{fieldState.error?.message}</FieldError>
                 </Field>
@@ -258,7 +258,7 @@ export function UpdateDialog({
                   <Input
                     {...field}
                     type="password"
-                    placeholder="留空则保持不变，修改请输入新密码（至少6位）"
+                    placeholder="选填,修改请输入新密码（至少6位）"
                   />
                   <FieldError>{fieldState.error?.message}</FieldError>
                 </Field>