diff --git a/SodaLive/Sources/Main/Home/BottomTabView.swift b/SodaLive/Sources/Main/Home/BottomTabView.swift
index 9d1031d..c11e073 100644
--- a/SodaLive/Sources/Main/Home/BottomTabView.swift
+++ b/SodaLive/Sources/Main/Home/BottomTabView.swift
@@ -9,12 +9,22 @@ import SwiftUI
 
 struct BottomTabView: View {
     let width: CGFloat
+    let tabWidth: CGFloat
     @Binding var currentTab: HomeViewModel.CurrentTab
     
+    init(width: CGFloat, currentTab: Binding<HomeViewModel.CurrentTab>) {
+        self.width = width
+        self._currentTab = currentTab
+        
+        if UserDefaults.bool(forKey: .auth) {
+            tabWidth = width / 5
+        } else {
+            tabWidth = width / 4
+        }
+    }
+    
     var body: some View {
         HStack(spacing: 0) {
-            let tabWidth = width / 5
-            
             TabButton(
                 title: "콘텐츠",
                 action: {
@@ -90,30 +100,32 @@ struct BottomTabView: View {
                 width: tabWidth
             )
             
-            TabButton(
-                title: "메시지",
-                action: {
-                    if currentTab != .message {
-                        currentTab = .message
-                    }
-                },
-                image: {
-                    currentTab == .message ?
-                    "ic_tabbar_message_selected" :
-                    "ic_tabbar_message_normal"
-                },
-                fontName: {
-                    currentTab == .message ?
-                    Font.bold.rawValue :
-                    Font.medium.rawValue
-                },
-                color: {
-                    currentTab == .message ?
-                    Color(hex: "9970ff") :
-                    Color(hex: "909090")
-                },
-                width: tabWidth
-            )
+            if UserDefaults.bool(forKey: .auth) {
+                TabButton(
+                    title: "메시지",
+                    action: {
+                        if currentTab != .message {
+                            currentTab = .message
+                        }
+                    },
+                    image: {
+                        currentTab == .message ?
+                        "ic_tabbar_message_selected" :
+                        "ic_tabbar_message_normal"
+                    },
+                    fontName: {
+                        currentTab == .message ?
+                        Font.bold.rawValue :
+                        Font.medium.rawValue
+                    },
+                    color: {
+                        currentTab == .message ?
+                        Color(hex: "9970ff") :
+                        Color(hex: "909090")
+                    },
+                    width: tabWidth
+                )
+            }
             
             TabButton(
                 title: "마이",