fix

src/pages/Questions/OwnTextField/settingTextField.tsx

@@ -155,10 +155,10 @@ const SettingTextField = memo<SettingTextFieldProps>(function ({ questionId, isR
             alignItems: isMobile ? "flex-end" : "center",
           }}
           label={"Многострочный ответ"}
-          checked={!multi}
+          checked={multi}
           handleChange={(e) => {
             updateQuestion<QuizQuestionText>(questionId, (question) => {
-              question.content.multi = !e.target.checked;
+              question.content.multi = e.target.checked;
             });
           }}
         />