diff --git a/app/(dashboard)/master/pelanggan/actions.ts b/app/(dashboard)/master/pelanggan/actions.ts
index 82dcf5b..fce59c7 100644
--- a/app/(dashboard)/master/pelanggan/actions.ts
+++ b/app/(dashboard)/master/pelanggan/actions.ts
@@ -23,17 +23,29 @@ export type SimpanPelangganState = FormState<PelangganField> & {
 export type HapusPelangganState = DeleteState;
 
 const pelangganSchema = z.object({
-  nama: z.string().trim().min(1, "Nama wajib diisi").max(100),
-  alias: z.string().trim().max(11),
-  ktp: z.string().trim().max(16),
-  alamat: z.string().trim().min(1, "Alamat wajib diisi").max(100),
-  wilayah: z.string().trim().max(200),
-  telp: z.string().trim().max(15),
-  ponsel: z.string().trim().max(15),
-  email: z.string().trim().max(30),
-  jenisCustomer: z.string().trim().max(1),
-  upline: z.string().trim().max(11),
-  btsBon: z.coerce.number().int().min(0).max(2_000_000_000),
+  nama: z
+    .string()
+    .trim()
+    .min(1, "Nama wajib diisi")
+    .max(100, "Nama maksimal 100 karakter"),
+  alias: z.string().trim().max(11, "Alias maksimal 11 karakter"),
+  ktp: z.string().trim().max(16, "No. KTP maksimal 16 karakter"),
+  alamat: z
+    .string()
+    .trim()
+    .min(1, "Alamat wajib diisi")
+    .max(100, "Alamat maksimal 100 karakter"),
+  wilayah: z.string().trim().max(200, "Wilayah maksimal 200 karakter"),
+  telp: z.string().trim().max(15, "Telepon maksimal 15 karakter"),
+  ponsel: z.string().trim().max(15, "Ponsel maksimal 15 karakter"),
+  email: z.string().trim().max(30, "Email maksimal 30 karakter"),
+  jenisCustomer: z.string().trim().max(1, "Jenis customer maksimal 1 karakter"),
+  upline: z.string().trim().max(11, "Upline maksimal 11 karakter"),
+  btsBon: z.coerce
+    .number({ error: "Harus berupa angka" })
+    .int("Harus bilangan bulat")
+    .min(0, "Tidak boleh negatif")
+    .max(2_000_000_000, "Maksimal 2.000.000.000"),
 });
 
 function emptyStringToNull(value: string): string | null {
diff --git a/data/rak.ts b/data/rak.ts
index e39f6d6..4a855c2 100644
--- a/data/rak.ts
+++ b/data/rak.ts
@@ -1,9 +1,10 @@
 import "server-only";
+
 import { asc, eq, like } from "drizzle-orm";
 import { amigoDb } from "@/db/amigo";
+import { rak } from "@/db/amigo/schema";
 import { PER_PAGE } from "@/lib/pagination";
 import { escapeLike } from "@/lib/utils";
-import { rak } from "@/db/amigo/schema";
 
 export type Rak = {
   idRak: number;