diff --git a/SOPT-iOS/Projects/Core/Sources/Enum/ServiceType.swift b/SOPT-iOS/Projects/Core/Sources/Enum/ServiceType.swift
index 22a1b5dc..ef2b4cf9 100644
--- a/SOPT-iOS/Projects/Core/Sources/Enum/ServiceType.swift
+++ b/SOPT-iOS/Projects/Core/Sources/Enum/ServiceType.swift
@@ -18,6 +18,20 @@ public enum ServiceType {
     case member
     case notice
     case crew
+    
+    public var serviceDomainLink: String {
+        switch self {
+        case .officialHomepage: return "https://sopt.org"
+        case .review: return "https://sopt.org/review"
+        case .project: return "https://playground.sopt.org/projects"
+        case .faq: return "https://sopt.org/FAQ"
+        case .youtube: return "https://m.youtube.com/@SOPTMEDIA"
+        case .attendance: return ""
+        case .member: return "https://playground.sopt.org/members"
+        case .notice: return ""
+        case .crew: return "https://playground.sopt.org/group"
+        }
+    }
 }
 
 public enum AppServiceType {
diff --git a/SOPT-iOS/Projects/Features/AuthFeature/Sources/SignInScene/VC/SignInVC.swift b/SOPT-iOS/Projects/Features/AuthFeature/Sources/SignInScene/VC/SignInVC.swift
index e3363ef7..40e0a1d7 100644
--- a/SOPT-iOS/Projects/Features/AuthFeature/Sources/SignInScene/VC/SignInVC.swift
+++ b/SOPT-iOS/Projects/Features/AuthFeature/Sources/SignInScene/VC/SignInVC.swift
@@ -195,7 +195,9 @@ extension SignInVC {
         )
         let output = self.viewModel.transform(from: input, cancelBag: cancelBag)
         
-        output.isSignInSuccess.sink { [weak self] isSuccessed in
+        output.isSignInSuccess
+            .removeDuplicates()
+            .sink { [weak self] isSuccessed in
             guard let self = self else { return }
             if isSuccessed {
                 self.setRootViewToMain()
diff --git a/SOPT-iOS/Projects/Features/MainFeature/Sources/MainScene/VC/MainVC.swift b/SOPT-iOS/Projects/Features/MainFeature/Sources/MainScene/VC/MainVC.swift
index c6aa8b08..db89f9d7 100644
--- a/SOPT-iOS/Projects/Features/MainFeature/Sources/MainScene/VC/MainVC.swift
+++ b/SOPT-iOS/Projects/Features/MainFeature/Sources/MainScene/VC/MainVC.swift
@@ -7,6 +7,7 @@
 //
 
 import UIKit
+import SafariServices
 
 import Core
 import Domain
@@ -21,12 +22,14 @@ import MainFeatureInterface
 import StampFeatureInterface
 import SettingFeatureInterface
 import AppMyPageFeatureInterface
+import AttendanceFeatureInterface
 
 public class MainVC: UIViewController, MainViewControllable {
     public typealias factoryType = AuthFeatureViewBuildable
     & StampFeatureViewBuildable
     & SettingFeatureViewBuildable
     & AppMyPageFeatureViewBuildable
+    & AttendanceFeatureViewBuildable
     
     // MARK: - Properties
     
@@ -163,10 +166,31 @@ extension MainVC {
 
 extension MainVC: UICollectionViewDelegate {
     public func collectionView(_ collectionView: UICollectionView, didSelectItemAt indexPath: IndexPath) {
-        if indexPath.section == 3 {
-            guard viewModel.userType != .visitor else { return }
-            presentSoptampFeature()
-        }
+      switch (indexPath.section, indexPath.row) {
+      case (0, _): break
+      case (1, _):
+          guard let service = viewModel.mainServiceList[safe: indexPath.item - 1] else { return }
+          
+          guard service != .attendance else {
+              let viewController = factory.makeShowAttendanceVC().viewController
+              self.navigationController?.pushViewController(viewController, animated: true)
+              return
+          }
+
+          let safariViewController = SFSafariViewController(url: URL(string: service.serviceDomainLink)!)
+          self.present(safariViewController, animated: true)
+  
+      case (2, _):
+          guard let service = viewModel.otherServiceList[safe: indexPath.item] else { return }
+          
+          let safariViewController = SFSafariViewController(url: URL(string: service.serviceDomainLink)!)
+          self.present(safariViewController, animated: true)
+      case(3, _):
+          guard viewModel.userType != .visitor else { return }
+          
+          presentSoptampFeature()
+      default: break
+      }
     }
 }