diff --git a/src/main/java/ru/ip/labworks/labworks/service/CalculatorService.java b/src/main/java/ru/ip/labworks/labworks/service/CalculatorService.java
index 671bba6..403dec9 100644
--- a/src/main/java/ru/ip/labworks/labworks/service/CalculatorService.java
+++ b/src/main/java/ru/ip/labworks/labworks/service/CalculatorService.java
@@ -18,54 +18,49 @@ public class CalculatorService {
         this.applicationContext = applicationContext;
     }
 
-    private void ValidateParams(Object value1, Object value2, String type){
+    private boolean ValidateParams(Object value1, Object value2, String type){
         typeCalculator = (ITypeCalculator)applicationContext.getBean(type);
 
-        switch (type) {
-            case "int" -> {
-                try {
+        try {
+            switch (type) {
+                case "int" -> {
                     arg1 = Integer.valueOf(value1.toString());
                     arg2 = Integer.valueOf(value2.toString());
-                }catch (Exception ex){
-                    arg1 = 0;
-                    arg2 = 0;
                 }
-            }
-            case "array" -> {
-                try {
+                case "array" -> {
                     arg1 = new ArrayList<>(Arrays.asList(value1.toString().split(",")));
                     arg2 =  new ArrayList<>(Arrays.asList(value2.toString().split(",")));
-                }catch (Exception ex){
-                    arg1 = new ArrayList<>();
-                    arg2 = new ArrayList<>();
+                }
+                case "string" -> {
+                    arg1 = value1.toString();
+                    arg2 = value2.toString();
                 }
             }
-            case "string" -> {
-                arg1 = value1.toString();
-                arg2 = value2.toString();
-            }
         }
-
+        catch (Exception ex){
+            return false;
+        }
+        return true;
     }
 
 
     public Object Plus(String type, Object arg1, Object arg2){
-        ValidateParams(arg1,arg2,type);
+        if(!ValidateParams(arg1,arg2,type)) return String.format("Неверные данные");
         return  String.format("%s", typeCalculator.Plus(this.arg1, this.arg2));
     }
 
     public Object Minus(String type, Object arg1, Object arg2){
-        ValidateParams(arg1,arg2,type);
+        if(!ValidateParams(arg1,arg2,type)) return String.format("Неверные данные");
         return  String.format("%s", typeCalculator.Minus(this.arg1, this.arg2));
     }
 
     public Object Multi(String type, Object arg1, Object arg2){
-        ValidateParams(arg1,arg2,type);
+        if(!ValidateParams(arg1,arg2,type)) return String.format("Неверные данные");
         return  String.format("%s", typeCalculator.Multi(this.arg1, this.arg2));
     }
 
     public Object Div(String type, Object arg1, Object arg2){
-        ValidateParams(arg1,arg2,type);
+        if(!ValidateParams(arg1,arg2,type)) return String.format("Неверные данные");
         return  String.format("%s", typeCalculator.Div(this.arg1, this.arg2));
     }
 }