diff --git a/.gitignore b/.gitignore
index ddc7b0c..0faebdf 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,4 +1,5 @@
 test.py
+like.py
 venv/
 __pycache__/
 dist
diff --git a/itd/client.py b/itd/client.py
index 714f5cd..3a4b4e5 100644
--- a/itd/client.py
+++ b/itd/client.py
@@ -2,7 +2,7 @@ from uuid import UUID
 from _io import BufferedReader
 from typing import cast
 
-from requests.exceptions import HTTPError, ConnectionError
+from requests.exceptions import ConnectionError, HTTPError
 
 from itd.routes.users import get_user, update_profile, follow, unfollow, get_followers, get_following, update_privacy
 from itd.routes.etc import get_top_clans, get_who_to_follow, get_platform_status
@@ -26,20 +26,18 @@ from itd.models.pagination import Pagination
 from itd.models.verification import Verification, VerificationStatus
 
 from itd.request import set_cookies
-from itd.exceptions import NoCookie, NoAuthData, SamePassword, InvalidOldPassword, NotFound, ValidationError, UserBanned, PendingRequestExists, Forbidden, UsernameTaken
+from itd.exceptions import NoCookie, NoAuthData, SamePassword, InvalidOldPassword, NotFound, ValidationError, UserBanned, PendingRequestExists, Forbidden, UsernameTaken, CantFollowYourself, Unauthorized
 
 
 def refresh_on_error(func):
     def wrapper(self, *args, **kwargs):
-        try:
-            return func(self, *args, **kwargs)
-        except HTTPError as e:
-            if '401' in str(e):
+        if self.cookies:
+            try:
+                return func(self, *args, **kwargs)
+            except (Unauthorized, ConnectionError, HTTPError):
                 self.refresh_auth()
                 return func(self, *args, **kwargs)
-            raise e
-        except ConnectionError:
-            self.refresh_auth()
+        else:
             return func(self, *args, **kwargs)
     return wrapper
 
@@ -203,6 +201,7 @@ class Client:
 
         Raises:
             NotFound: Пользователь не найден
+            CantFollowYourself: Невозможно подписаться на самого себе
 
         Returns:
             int: Число подписчиков после подписки
@@ -210,6 +209,8 @@ class Client:
         res = follow(self.token, username)
         if res.json().get('error', {}).get('code') == 'NOT_FOUND':
             raise NotFound('User')
+        if res.json().get('error', {}).get('code') == 'VALIDATION_ERROR' and res.status_code == 400:
+            raise CantFollowYourself()
         res.raise_for_status()
 
         return res.json()['followersCount']
diff --git a/itd/exceptions.py b/itd/exceptions.py
index f1cc39f..1963ed9 100644
--- a/itd/exceptions.py
+++ b/itd/exceptions.py
@@ -7,14 +7,20 @@ class NoAuthData(Exception):
         return 'No auth data. Provide token or cookies'
 
 class InvalidCookie(Exception):
+    def __init__(self, code: str):
+        self.code = code
     def __str__(self):
-        return f'Invalid cookie data'
+        if self.code == 'SESSION_NOT_FOUND':
+            return f'Invalid cookie data: Session not found (incorrect refresh token)'
+        elif self.code == 'REFRESH_TOKEN_MISSING':
+            return f'Invalid cookie data: No refresh token'
+        # SESSION_REVOKED
+        return f'Invalid cookie data: Session revoked (logged out)'
 
 class InvalidToken(Exception):
     def __str__(self):
         return f'Invalid access token'
 
-
 class SamePassword(Exception):
     def __str__(self):
         return 'Old and new password must not equals'
@@ -58,4 +64,12 @@ class Forbidden(Exception):
 
 class UsernameTaken(Exception):
     def __str__(self):
-        return 'Username is already taken'
\ No newline at end of file
+        return 'Username is already taken'
+
+class CantFollowYourself(Exception):
+    def __str__(self):
+        return 'Cannot follow yourself'
+
+class Unauthorized(Exception):
+    def __str__(self) -> str:
+        return 'Auth required - refresh token'
\ No newline at end of file
diff --git a/itd/request.py b/itd/request.py
index 909ed31..ac4a2d7 100644
--- a/itd/request.py
+++ b/itd/request.py
@@ -3,7 +3,7 @@ from _io import BufferedReader
 from requests import Session
 from requests.exceptions import JSONDecodeError
 
-from itd.exceptions import InvalidToken, InvalidCookie, RateLimitExceeded
+from itd.exceptions import InvalidToken, InvalidCookie, RateLimitExceeded, Unauthorized
 
 s = Session()
 
@@ -35,10 +35,13 @@ def fetch(token: str, method: str, url: str, params: dict = {}, files: dict[str,
     try:
         if res.json().get('error', {}).get('code') == 'RATE_LIMIT_EXCEEDED':
             raise RateLimitExceeded(res.json()['error'].get('retryAfter', 0))
+        if res.json().get('error', {}).get('code') == 'UNAUTHORIZED':
+            raise Unauthorized()
     except JSONDecodeError:
         pass
 
-    print(res.text)
+    if not res.ok:
+        print(res.text)
     return res
 
 
@@ -82,8 +85,10 @@ def auth_fetch(cookies: str, method: str, url: str, params: dict = {}, token: st
     try:
         if res.json().get('error', {}).get('code') == 'RATE_LIMIT_EXCEEDED':
             raise RateLimitExceeded(res.json()['error'].get('retryAfter', 0))
-        if res.json().get('error', {}).get('code') in ('SESSION_NOT_FOUND', 'REFRESH_TOKEN_MISSING'):
-            raise InvalidCookie()
+        if res.json().get('error', {}).get('code') in ('SESSION_NOT_FOUND', 'REFRESH_TOKEN_MISSING', 'SESSION_REVOKED'):
+            raise InvalidCookie(res.json()['error']['code'])
+        if res.json().get('error', {}).get('code') == 'UNAUTHORIZED':
+            raise Unauthorized()
     except JSONDecodeError:
         pass