diff --git a/back/src/wos/wos.service.ts b/back/src/wos/wos.service.ts
index 02cfe31..095f892 100644
--- a/back/src/wos/wos.service.ts
+++ b/back/src/wos/wos.service.ts
@@ -116,14 +116,20 @@ export class WosService {
   ): Promise<{ success: boolean; message: string; err_code?: number }> {
     for (let attempt = 1; attempt <= maxRetries; attempt++) {
       if (attempt > 1) {
-        await new Promise((r) => setTimeout(r, 2000));
+        await new Promise((r) => setTimeout(r, 3000));
       }
 
       let captchaCode: string;
       try {
         captchaCode = await this.solveCaptcha(fid);
       } catch (err: any) {
-        return { success: false, message: `캡차 오류: ${err.message}` };
+        const msg: string = err.message || '';
+        if (msg.includes('TOO FREQUENT') && attempt < maxRetries) {
+          this.logger.warn(`[${fid}] 캡차 TOO FREQUENT (${attempt}회), 10초 대기 후 재시도`);
+          await new Promise((r) => setTimeout(r, 10000));
+          continue;
+        }
+        return { success: false, message: `캡차 오류: ${msg}` };
       }
 
       const ts = this.now();
@@ -187,7 +193,7 @@ export class WosService {
       await this.couponLogRepo.save({ fid, coupon_code: coupon.code, result_msg: result.message });
       results.push({ name: coupon.name, code: coupon.code, status, message: result.message });
 
-      await new Promise((r) => setTimeout(r, 3000));
+      await new Promise((r) => setTimeout(r, 5000));
     }
 
     return results;