diff --git a/src/controllers/ExRetirementController.ts b/src/controllers/ExRetirementController.ts
index 6a19ddfc..c9c45dae 100644
--- a/src/controllers/ExRetirementController.ts
+++ b/src/controllers/ExRetirementController.ts
@@ -43,6 +43,35 @@ class TokenCache {
   }
 }
 
+// network/DNS error codes ที่ถือว่าเป็น transient (ควร retry)
+const TRANSIENT_NETWORK_CODES = [
+  "EAI_AGAIN", // DNS lookup ล้มเหลวชั่วคราว
+  "ENOTFOUND",
+  "ECONNRESET",
+  "ETIMEDOUT",
+  "ECONNREFUSED",
+  "EHOSTUNREACH",
+  "ENETUNREACH",
+];
+
+// ตรวจว่า error ควร retry: ครอบ network/DNS (ไม่มี response หรือ code ตรง TRANSIENT) และ HTTP 5xx
+function isTransientError(error: any): boolean {
+  if (!error) return false;
+  if (!error.response || TRANSIENT_NETWORK_CODES.includes(error.code)) {
+    return true;
+  }
+  return error.response?.status >= 500;
+}
+
+// หน่วงเวลา (backoff) ระหว่าง retry — ใช้รูปแบบ setTimeout เดียวกับ keycloak/index.ts
+function sleep(ms: number): Promise<void> {
+  return new Promise((resolve) => setTimeout(resolve, ms));
+}
+
+// config retry สำหรับเรียก Exprofile
+const EXPROFILE_MAX_RETRIES = 3; // จากเดิม 2
+const EXPROFILE_BACKOFF_BASE_MS = 1000; // backoff = base * 2^retryCount → 1s, 2s
+
 @Route("api/v1/org/ex/retirement")
 @Tags("ExRetirement")
 @Security("bearerAuth")
@@ -60,7 +89,7 @@ export class ExRetirementController extends Controller {
     },
   ) {
     let retryCount = 0;
-    const maxRetries = 2;
+    const maxRetries = EXPROFILE_MAX_RETRIES;
 
     while (retryCount < maxRetries) {
       try {
@@ -92,8 +121,9 @@ export class ExRetirementController extends Controller {
         // return res.data;
         return new HttpSuccess(res.data.data);
       } catch (error: any) {
-        if (error.response?.status === 500 && retryCount < maxRetries - 1) {
+        if (isTransientError(error) && retryCount < maxRetries - 1) {
           TokenCache.delete(`${clientId}:${clientSecret}`);
+          await sleep(EXPROFILE_BACKOFF_BASE_MS * 2 ** retryCount);
           retryCount++;
           continue;
         }
@@ -107,7 +137,7 @@ export class ExRetirementController extends Controller {
   @Get("/document/{documentId}")
   async getDocument(@Path("documentId") officerDocumentID: string, @Request() req: any) {
     let retryCount = 0;
-    const maxRetries = 2;
+    const maxRetries = EXPROFILE_MAX_RETRIES;
     while (retryCount < maxRetries) {
       try {
         const token = await getToken(clientId, clientSecret);
@@ -136,8 +166,9 @@ export class ExRetirementController extends Controller {
           return;
         }
       } catch (error: any) {
-        if (error.response?.status === 500 && retryCount < maxRetries - 1) {
+        if (isTransientError(error) && retryCount < maxRetries - 1) {
           TokenCache.delete(`${clientId}:${clientSecret}`);
+          await sleep(EXPROFILE_BACKOFF_BASE_MS * 2 ** retryCount);
           retryCount++;
           continue;
         }
@@ -171,8 +202,13 @@ async function getToken(ClientID: string, ClientSecret: string): Promise<string>
     TokenCache.set(cacheKey, token);
     return token;
   } catch (error) {
-    console.error('getToken error:', error);
-    return Promise.reject({ message: "Error occurred", error });
+    // log แบบกระชับ (ลด log noise จากการ dump object ใหญ่ตามที่เห็นใน log จริง)
+    console.error(
+      "getToken error:",
+      error instanceof Error ? `${error.name}: ${error.message}` : error,
+    );
+    // โยน AxiosError ตัวจริงออกไปให้ caller อ่าน code / response / status เพื่อตัดสินใจ retry
+    throw error;
   }
 }
 
@@ -198,7 +234,7 @@ export async function PostRetireToExprofile(
   }
 
   let retryCount = 0;
-  const maxRetries = 2;
+  const maxRetries = EXPROFILE_MAX_RETRIES;
 
   while (retryCount < maxRetries) {
     try {
@@ -235,8 +271,9 @@ export async function PostRetireToExprofile(
 
       return res.data;
     } catch (error: any) {
-      if (error.response?.status === 500 && retryCount < maxRetries - 1) {
+      if (isTransientError(error) && retryCount < maxRetries - 1) {
         TokenCache.delete(`${clientId}:${clientSecret}`);
+        await sleep(EXPROFILE_BACKOFF_BASE_MS * 2 ** retryCount);
         retryCount++;
         continue;
       }