diff --git a/src/auth/auth.controller.ts b/src/auth/auth.controller.ts
index 18ff5eb..365f79d 100644
--- a/src/auth/auth.controller.ts
+++ b/src/auth/auth.controller.ts
@@ -34,6 +34,7 @@ export class AuthController {
   //사용자 등록
   @Post('register')
   async add(@Body() data: UserDTO) {
-    return await this.authService.register(data)
+    const user = await this.authService.register(data)
+    return await this.authService.login(user)
   }
 }
diff --git a/src/auth/auth.service.ts b/src/auth/auth.service.ts
index 9a1a370..cb79120 100644
--- a/src/auth/auth.service.ts
+++ b/src/auth/auth.service.ts
@@ -25,11 +25,7 @@ export class AuthService {
   }
   //app.controller.ts에서 AuthGuard('local') 또는 AuthGuard('jwt')용
   async validateUser(where: Prisma.UserWhereInput): Promise<any> {
-    try {
-      await this.userService.fetchOne(where)
-    } catch (e) {
-      throw new UnauthorizedException('계정 확인이 되지 않습니다.')
-    }
+    return await this.userService.fetchOne(where)
   }
 
   async login(user: User): Promise<any> {
@@ -41,7 +37,7 @@ export class AuthService {
   async register(data: UserDTO): Promise<any> {
     data.refresh_token = await this.getRefreshToken(data)
     data.password = await this.getEcryptedPassword(data.password)
-    return await this.login(await this.userService.add(data))
+    return await this.userService.add(data)
   }
 
   //Access Token 재발행
diff --git a/src/auth/guards/local.strategy.ts b/src/auth/guards/local.strategy.ts
index e48f834..fa7083a 100644
--- a/src/auth/guards/local.strategy.ts
+++ b/src/auth/guards/local.strategy.ts
@@ -23,7 +23,7 @@ export class LocalStrategy extends PassportStrategy(Strategy) {
         password: encryptedPassword
       })
     } catch (e) {
-      throw new UnauthorizedException(e)
+      throw new UnauthorizedException('계정 확인이 되지 않습니다.')
     }
   }
 }