diff --git a/__pycache__/dbtable.cpython-311.pyc b/__pycache__/dbtable.cpython-311.pyc
index 5bf930c..17f5303 100644
Binary files a/__pycache__/dbtable.cpython-311.pyc and b/__pycache__/dbtable.cpython-311.pyc differ
diff --git a/dbtable.py b/dbtable.py
index 62d7719..1d08c37 100644
--- a/dbtable.py
+++ b/dbtable.py
@@ -64,8 +64,11 @@ class DbTable:
         sql += ", ".join(self.column_names_without_id()) + ") VALUES("
         sql += ", ".join(vals) + ")"
         cur = self.dbconn.conn.cursor()
-        cur.execute(sql)
-        self.dbconn.conn.commit()
+        try:
+            cur.execute(sql)
+            self.dbconn.conn.commit()
+        except psycopg2.errors.UniqueViolation:
+            self.dbconn.conn.rollback()
         return
 
     def first(self):
diff --git a/main.py b/main.py
index 124728b..2a068b2 100644
--- a/main.py
+++ b/main.py
@@ -117,7 +117,7 @@ class Main:
             else:
                 return next_step
 
-    def show_add_cath(self):
+    def add_cath(self):
         data = []
         data.append(input("Введите название (1 - отмена): ").strip())
         if data[0] == "1":
@@ -131,7 +131,7 @@ class Main:
                 data[0] = input("Название не может быть пустым! Введите название заново (1 - отмена):").strip()
                 if data[0] == "1":
                     return
-        CathTable().insert_one(data)
+            CathTable().insert_one(data)
         return
     
     def show_dish_in_cath(self):
@@ -178,7 +178,7 @@ class Main:
             elif current_menu == "2":
                 self.show_main_menu()
             elif current_menu == "3":
-                self.show_add_cath()
+                self.add_cath()
                 current_menu = "1"
         print("До свидания!")    
         return
diff --git a/tables/__pycache__/cath_table.cpython-311.pyc b/tables/__pycache__/cath_table.cpython-311.pyc
index 4e94321..d8e8f0f 100644
Binary files a/tables/__pycache__/cath_table.cpython-311.pyc and b/tables/__pycache__/cath_table.cpython-311.pyc differ