diff --git a/src/TaxBaik.Web.Client/Components/Admin/Services/CustomAuthenticationStateProvider.cs b/src/TaxBaik.Web.Client/Components/Admin/Services/CustomAuthenticationStateProvider.cs
index 6db091b..80c9265 100644
--- a/src/TaxBaik.Web.Client/Components/Admin/Services/CustomAuthenticationStateProvider.cs
+++ b/src/TaxBaik.Web.Client/Components/Admin/Services/CustomAuthenticationStateProvider.cs
@@ -71,7 +71,8 @@ public class CustomAuthenticationStateProvider : AuthenticationStateProvider
         }
         catch (Exception ex)
         {
-            _logger.LogError(ex, "인증 상태 조회 중 오류 발생");
+            _logger.LogError(ex, "❌ 인증 상태 조회 중 오류 발생: {ExceptionType} - {Message} - {StackTrace}",
+                ex.GetType().Name, ex.Message, ex.StackTrace);
             return new AuthenticationState(new ClaimsPrincipal(new ClaimsIdentity()));
         }
     }
@@ -80,13 +81,21 @@ public class CustomAuthenticationStateProvider : AuthenticationStateProvider
     {
         try
         {
+            if (string.IsNullOrEmpty(token))
+            {
+                _logger.LogWarning("❌ 토큰이 비어있습니다");
+                return null;
+            }
+
             var handler = new JwtSecurityTokenHandler();
             var jwtToken = handler.ReadJwtToken(token);
             var identity = new ClaimsIdentity(jwtToken.Claims, "jwt");
+            _logger.LogInformation("✅ 토큰 검증 성공: {Claims} claims", jwtToken.Claims.Count());
             return new ClaimsPrincipal(identity);
         }
-        catch
+        catch (Exception ex)
         {
+            _logger.LogError(ex, "❌ 토큰 검증 실패: {ExceptionType} - {Message}", ex.GetType().Name, ex.Message);
             return null;
         }
     }