diff --git a/src/server/lib/mimetypeToExtension.ts b/src/server/lib/mimetypeToExtension.ts
new file mode 100644
index 0000000..8c60062
--- /dev/null
+++ b/src/server/lib/mimetypeToExtension.ts
@@ -0,0 +1,42 @@
+export function mimeToExtension(mimeType: string): string {
+  const map: Record<string, string> = {
+    "image/jpeg": "jpg",
+    "image/png": "png",
+    "image/gif": "gif",
+    "image/webp": "webp",
+    "image/svg+xml": "svg",
+    "image/bmp": "bmp",
+    "image/tiff": "tiff",
+
+    "video/mp4": "mp4",
+    "video/webm": "webm",
+    "video/ogg": "ogv",
+    "video/quicktime": "mov",
+
+    "audio/mpeg": "mp3",
+    "audio/wav": "wav",
+    "audio/ogg": "ogg",
+    "audio/webm": "weba",
+
+    "application/pdf": "pdf",
+    "application/zip": "zip",
+    "application/x-zip-compressed": "zip",
+    "application/json": "json",
+    "application/javascript": "js",
+    "application/x-httpd-php": "php",
+    "application/msword": "doc",
+    "application/vnd.openxmlformats-officedocument.wordprocessingml.document": "docx",
+    "application/vnd.ms-excel": "xls",
+    "application/vnd.openxmlformats-officedocument.spreadsheetml.sheet": "xlsx",
+    "application/vnd.ms-powerpoint": "ppt",
+    "application/vnd.openxmlformats-officedocument.presentationml.presentation": "pptx",
+
+    "text/plain": "txt",
+    "text/html": "html",
+    "text/css": "css",
+    "text/csv": "csv",
+    "text/xml": "xml",
+  };
+
+  return map[mimeType.toLowerCase()] || "bin"; // default jika tidak dikenal
+}
diff --git a/src/server/lib/seafile.ts b/src/server/lib/seafile.ts
index 6f42299..65b03ba 100644
--- a/src/server/lib/seafile.ts
+++ b/src/server/lib/seafile.ts
@@ -162,7 +162,7 @@ export async function uploadFile(config: Config, file: File): Promise<string> {
    if (!res.ok) throw new Error(`Upload failed: ${text}`);
    return `✅ Uploaded ${file.name} successfully`;
 }
-export async function uploadFileBase64(config: Config, base64File: { name: string; data: string }): Promise<string> {
+export async function uploadFileBase64(config: Config, base64File: { name: string; data: string; }): Promise<string> {
    const remoteName = path.basename(base64File.name);
 
    // 1. Dapatkan upload link (pakai Authorization)
diff --git a/src/server/routes/pengaduan_route.ts b/src/server/routes/pengaduan_route.ts
index 039ba25..06a819f 100644
--- a/src/server/routes/pengaduan_route.ts
+++ b/src/server/routes/pengaduan_route.ts
@@ -5,6 +5,8 @@ import { generateNoPengaduan } from "../lib/no-pengaduan"
 import { normalizePhoneNumber } from "../lib/normalizePhone"
 import { prisma } from "../lib/prisma"
 import { defaultConfigSF, uploadFile, uploadFileBase64 } from "../lib/seafile"
+import { mimeToExtension } from "../lib/mimetypeToExtension"
+import { v4 as uuidv4 } from "uuid"
 
 const PengaduanRoute = new Elysia({
    prefix: "pengaduan",
@@ -463,7 +465,9 @@ const PengaduanRoute = new Elysia({
       },
    })
    .post("/upload-base64", async ({ body }) => {
-      const { data } = body;
+      const { data, mimetype } = body;
+      const ext = mimeToExtension(mimetype)
+      const name = `${uuidv4()}.${ext}`
 
       // Validasi file
       if (!data) {
@@ -475,7 +479,7 @@ const PengaduanRoute = new Elysia({
       // const base64String = Buffer.from(buffer).toString("base64");
 
       // (Opsional) jika perlu dikirim ke Seafile sebagai base64
-      const result = await uploadFileBase64(defaultConfigSF, { name: 'contoh', data: data });
+      const result = await uploadFileBase64(defaultConfigSF, { name: name, data: data});
 
       return {
          success: true,
@@ -487,7 +491,8 @@ const PengaduanRoute = new Elysia({
       };
    }, {
       body: t.Object({
-         data: t.String()
+         data: t.String(),
+         mimetype: t.String()
       }),
       detail: {
          summary: "Upload File (Base64)",
diff --git a/x.ts b/x.ts
index eecb117..51bbee3 100644
--- a/x.ts
+++ b/x.ts
@@ -10,7 +10,8 @@ const base64Data = fileBuffer.toString("base64");
 
 // 3️⃣ Buat payload JSON
 const payload = {
-  file: base64Data,
+  data: base64Data,
+  mimetype: "image/png"
 };
 
 // 4️⃣ Kirim ke server pakai fetch