diff --git a/src/main/java/com/eactive/eai/rms/common/login/MainController.java b/src/main/java/com/eactive/eai/rms/common/login/MainController.java
index f9cac15..f0ab176 100644
--- a/src/main/java/com/eactive/eai/rms/common/login/MainController.java
+++ b/src/main/java/com/eactive/eai/rms/common/login/MainController.java
@@ -120,6 +120,30 @@ public class MainController implements InterceptorSkipController {
 
 	}
 
+	/**
+	 * SSO 로그인용 세션 설정 (SsoController에서 호출)
+	 * 비밀번호 인증 없이 UserInfo만으로 로그인 처리
+	 */
+	public String setupSsoLoginSession(HttpServletRequest request, UserInfo userInfo) {
+		HttpSession session = request.getSession(true);
+
+		try {
+			initializeLoginAndSetDashboardImage(session);
+
+			LoginVo dto = new LoginVo();
+			dto.setUserId(userInfo.getUserid());
+
+			session.setAttribute("userId", userInfo.getUserid());
+			session.setAttribute("dualLogin", "N");
+			SessionManager.forceRegisterUserSession(request, dto);
+			session.setAttribute(CommonConstants.LOGIN, dto);
+
+			return loadUserInfoAndSetupSession(request, session, dto, userInfo);
+		} catch (Exception e) {
+			return handleExceptionsAndRedirect(request, session, e);
+		}
+	}
+
 	// 초기 설정 및 대시보드 이미지 설정
 	private void initializeLoginAndSetDashboardImage(HttpSession session) {
 
diff --git a/src/main/java/com/eactive/eai/rms/ext/kjb/sso/SsoController.java b/src/main/java/com/eactive/eai/rms/ext/kjb/sso/SsoController.java
index 594d1bb..fc80538 100644
--- a/src/main/java/com/eactive/eai/rms/ext/kjb/sso/SsoController.java
+++ b/src/main/java/com/eactive/eai/rms/ext/kjb/sso/SsoController.java
@@ -6,10 +6,8 @@ import com.eactive.eai.rms.common.context.MonitoringContext;
 import com.eactive.eai.rms.common.datasource.DataSourceType;
 import com.eactive.eai.rms.common.datasource.DataSourceTypeManager;
 import com.eactive.eai.rms.common.interceptor.InterceptorSkipController;
-import com.eactive.eai.rms.common.login.LoginVo;
-import com.eactive.eai.rms.common.login.SessionManager;
+import com.eactive.eai.rms.common.login.MainController;
 import com.eactive.eai.rms.common.util.CommonConstants;
-import com.eactive.eai.rms.common.util.IpUtil;
 import com.eactive.eai.rms.data.entity.man.monitoringProperty.service.MonitoringPropertyService;
 import com.eactive.eai.rms.data.entity.man.user.UserInfoService;
 import com.eactive.eai.rms.data.entity.man.user.UserRole;
@@ -30,11 +28,8 @@ import javax.servlet.http.Cookie;
 import javax.servlet.http.HttpServletRequest;
 import javax.servlet.http.HttpServletResponse;
 import javax.servlet.http.HttpSession;
-import java.time.LocalDateTime;
-import java.util.List;
 import java.util.Optional;
 import java.util.Properties;
-import java.util.stream.Collectors;
 
 @Slf4j
 @Controller
@@ -47,12 +42,14 @@ public class SsoController implements InterceptorSkipController {
     private final UserRoleService userRoleService;
     private final UserServiceTypeService userServiceTypeService;
     private final MonitoringContext monitoringContext;
+    private final MainController mainController;
 
     public SsoController(MonitoringPropertyService monitoringPropertyService,
                          UserInfoService userInfoService,
                          UserRoleService userRoleService,
                          UserServiceTypeService userServiceTypeService,
-                         MonitoringContext monitoringContext) {
+                         MonitoringContext monitoringContext,
+                         MainController mainController) {
         KjbPropertyInjector kjbPropertyInjector = new KjbPropertyInjector(monitoringPropertyService, PROP_GORUP_ID);
         prop = kjbPropertyInjector.inject(new KjbProperty());
         this.ssoModule = KjbSsoModule.getInstance(prop);
@@ -60,6 +57,7 @@ public class SsoController implements InterceptorSkipController {
         this.userRoleService = userRoleService;
         this.userServiceTypeService = userServiceTypeService;
         this.monitoringContext = monitoringContext;
+        this.mainController = mainController;
     }
 
     @RequestMapping(value = "/sso/login.do")
@@ -138,11 +136,9 @@ public class SsoController implements InterceptorSkipController {
             // 사용자 생성 또는 업데이트
             UserInfo userInfo = findOrCreateUser(info, extendedInfo);
 
-            // 로그인 세션 설정
-            setupLoginSession(req, userInfo);
-
+            // 로그인 세션 설정 (MainController 위임)
             log.info("SSO 로그인 성공 - userId: {}", userId);
-            return "redirect:/main.do";
+            return mainController.setupSsoLoginSession(req, userInfo);
         }
     }
 
@@ -277,49 +273,6 @@ public class SsoController implements InterceptorSkipController {
         return userInfo;
     }
 
-    /**
-     * 로그인 세션 설정
-     */
-    private void setupLoginSession(HttpServletRequest request, UserInfo userInfo) {
-        HttpSession session = request.getSession(true);
-
-        LoginVo dto = new LoginVo();
-        dto.setUserId(userInfo.getUserid());
-        dto.setUserName(userInfo.getUsername());
-        dto.setDepartment(userInfo.getDvsnname());
-
-        // 역할 설정
-        List<UserRole> userRoles = userRoleService.findByUserId(userInfo.getUserid());
-        List<String> roles = userRoles.stream()
-                .map(r -> r.getId().getRoleId())
-                .collect(Collectors.toList());
-        dto.setRoleList(roles);
-
-        // 서비스타입 설정 (검증 없이 전체 허용)
-        dto.setUseServiceTypes(CommonConstants.USER_SERVICETYPE_NO_CHECK);
-
-        // 세션 등록
-        SessionManager.forceRegisterUserSession(request, dto);
-        session.setAttribute(CommonConstants.LOGIN, dto);
-        session.setAttribute("userId", userInfo.getUserid());
-        session.setAttribute("dualLogin", "N");
-
-        // 대시보드 타이틀 설정
-        String newTitle = monitoringContext.getStringProperty(
-                MonitoringContext.NEW_DASHBOARD_TITLE, "topLogo.gif");
-        session.setAttribute(MonitoringContext.NEW_DASHBOARD_TITLE, newTitle);
-
-        // 마지막 로그인 정보 업데이트
-        userInfo.setLastloginyms(LocalDateTime.now());
-        userInfo.setLastloginip(IpUtil.getClientIp(request));
-        userInfoService.save(userInfo);
-
-        // 세션에 마지막 로그인 정보 저장
-        session.setAttribute("LastLoginYms", userInfo.getLastloginyms()
-                .format(com.eactive.eai.data.converter.LocalDateTimeFormatters.FORMATTER_YYYYMMDDHHMMSS_14));
-        session.setAttribute("LastLoginIp", userInfo.getLastloginip());
-    }
-
     /**
      * 휴대폰번호에서 숫자만 추출
      */