diff --git a/.idea/workspace.xml b/.idea/workspace.xml
index 44aaac90..8e77b1d7 100644
--- a/.idea/workspace.xml
+++ b/.idea/workspace.xml
@@ -7,7 +7,24 @@
   </component>
   <component name="ChangeListManager">
     <list default="true" id="e42177c3-2328-4b27-8a01-35779b2beb99" name="Default Changelist" comment="">
+      <change afterPath="$PROJECT_DIR$/src/Common/UI/VisualCache/ConfigurationCache.java" afterDir="false" />
+      <change afterPath="$PROJECT_DIR$/src/Common/UI/VisualCache/VisualCache.java" afterDir="false" />
+      <change afterPath="$PROJECT_DIR$/src/Common/UI/VisualCache/VisualCaches.java" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/.idea/workspace.xml" beforeDir="false" afterPath="$PROJECT_DIR$/.idea/workspace.xml" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/src/Common/Database/DataSet.java" beforeDir="false" afterPath="$PROJECT_DIR$/src/Common/Database/DataSet.java" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/src/TestingSystem/Common/Configuration/Configuration.java" beforeDir="false" afterPath="$PROJECT_DIR$/src/TestingSystem/Common/Configuration/Configuration.java" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/src/TestingSystem/DVM/DVMConfiguration/DVMConfigurationDBTable.java" beforeDir="false" afterPath="$PROJECT_DIR$/src/TestingSystem/DVM/DVMConfiguration/DVMConfigurationDBTable.java" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/src/Visual_DVM_2021/Passes/All/DeleteConfiguration.java" beforeDir="false" afterPath="$PROJECT_DIR$/src/Visual_DVM_2021/Passes/All/DeleteConfiguration.java" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/src/Visual_DVM_2021/Passes/All/DeleteGroup.java" beforeDir="false" afterPath="$PROJECT_DIR$/src/Visual_DVM_2021/Passes/All/DeleteGroup.java" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/src/Visual_DVM_2021/Passes/All/DeleteSapforConfiguration.java" beforeDir="false" afterPath="$PROJECT_DIR$/src/Visual_DVM_2021/Passes/All/DeleteSapforConfiguration.java" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/src/Visual_DVM_2021/Passes/All/DeleteSapforConfigurationCommand.java" beforeDir="false" afterPath="$PROJECT_DIR$/src/Visual_DVM_2021/Passes/All/DeleteSapforConfigurationCommand.java" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/src/Visual_DVM_2021/Passes/All/DeleteTest.java" beforeDir="false" afterPath="$PROJECT_DIR$/src/Visual_DVM_2021/Passes/All/DeleteTest.java" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/src/Visual_DVM_2021/Passes/All/ShowCurrentDVMConfigurationTests.java" beforeDir="false" afterPath="$PROJECT_DIR$/src/Visual_DVM_2021/Passes/All/ShowCurrentDVMConfigurationTests.java" afterDir="false" />
       <change beforePath="$PROJECT_DIR$/src/Visual_DVM_2021/Passes/All/StartSelectedDVMConfigurations.java" beforeDir="false" afterPath="$PROJECT_DIR$/src/Visual_DVM_2021/Passes/All/StartSelectedDVMConfigurations.java" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/src/Visual_DVM_2021/Passes/DeleteServerObjects.java" beforeDir="false" afterPath="$PROJECT_DIR$/src/Visual_DVM_2021/Passes/Server/DeleteServerObjects.java" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/src/Visual_DVM_2021/Passes/DeleteTestingPackages.java" beforeDir="false" afterPath="$PROJECT_DIR$/src/Visual_DVM_2021/Passes/DeleteTestingPackages.java" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/src/Visual_DVM_2021/Passes/Server/DeleteServerObject.java" beforeDir="false" afterPath="$PROJECT_DIR$/src/Visual_DVM_2021/Passes/Server/DeleteServerObject.java" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/src/Visual_DVM_2021/Passes/Server/EditServerObject.java" beforeDir="false" afterPath="$PROJECT_DIR$/src/Visual_DVM_2021/Passes/Server/EditServerObject.java" afterDir="false" />
     </list>
     <option name="SHOW_DIALOG" value="false" />
     <option name="HIGHLIGHT_CONFLICTS" value="true" />
diff --git a/src/Common/Database/DataSet.java b/src/Common/Database/DataSet.java
index adf78b91..183bb1ef 100644
--- a/src/Common/Database/DataSet.java
+++ b/src/Common/Database/DataSet.java
@@ -17,8 +17,8 @@ import java.util.Vector;
 import java.util.stream.Collectors;
 public class DataSet<K, D extends DBObject> extends DataSetAnchestor {
     //-
-    public static LinkedHashMap<Class, Object> selections = new LinkedHashMap<>();
-    //-
+    public LinkedHashMap<Class, Object> selections = new LinkedHashMap<>();
+    //---
     public String Name;
     public Class<K> k; //класс первичного ключа.
     public Class<D> d; //класс объектов.
diff --git a/src/Common/UI/VisualCache/ConfigurationCache.java b/src/Common/UI/VisualCache/ConfigurationCache.java
new file mode 100644
index 00000000..8babc1ba
--- /dev/null
+++ b/src/Common/UI/VisualCache/ConfigurationCache.java
@@ -0,0 +1,57 @@
+package Common.UI.VisualCache;
+import Common.Global;
+import Common.Utils.Utils;
+import TestingSystem.Common.Configuration.Configuration;
+import TestingSystem.Common.Group.Group;
+import TestingSystem.Common.Group.Json.GroupJson;
+import TestingSystem.Common.Group.Json.GroupsJson;
+import TestingSystem.Common.Test.Json.TestJson;
+import TestingSystem.Common.Test.Json.TestsJson;
+import TestingSystem.Common.Test.Test;
+
+import java.util.Vector;
+public class ConfigurationCache extends VisualCache{
+    public GroupsJson groupsJson = null;
+    public Vector<String> groupsDescriptions = null;
+    public TestsJson testsJson = null;
+    //--
+    public ConfigurationCache(Configuration configuration) {
+        if (configuration.packedGroupsJson.isEmpty())
+            groupsJson = new GroupsJson(); //просто пустой
+        else
+            groupsJson = Utils.gson.fromJson(configuration.packedGroupsJson, GroupsJson.class);
+        //--
+        if (testsJson == null) {
+            if (configuration.packedTestsJson.isEmpty())
+                testsJson = new TestsJson(); //просто пустой
+            else
+                testsJson = Utils.gson.fromJson(configuration.packedTestsJson, TestsJson.class);
+        }
+        //-
+        groupsDescriptions = new Vector<>();
+        for (GroupJson groupJson : groupsJson.array)
+            groupsDescriptions.add(groupJson.description);
+    }
+    public int getTestsCount() {
+        return testsJson.array.size();
+    }
+    public Vector<String> getGroupsDescriptions() {
+        return groupsDescriptions;
+    }
+    public Vector<Group> getGroups(){
+        Vector<Group> groups = new Vector<>();
+        for (GroupJson groupJson : groupsJson.array){
+            if (Global.testingServer.db.groups.containsKey(groupJson.id))
+                groups.add(Global.testingServer.db.groups.get(groupJson.id));
+        }
+        return groups;
+    }
+    public Vector<Test> getTests(){
+        Vector<Test> tests = new Vector<>();
+        for (TestJson testJson : testsJson.array){
+            if (Global.testingServer.db.tests.containsKey(testJson.id))
+                tests.add(Global.testingServer.db.tests.get(testJson.id));
+        }
+        return tests;
+    }
+}
diff --git a/src/Common/UI/VisualCache/VisualCache.java b/src/Common/UI/VisualCache/VisualCache.java
new file mode 100644
index 00000000..5580f327
--- /dev/null
+++ b/src/Common/UI/VisualCache/VisualCache.java
@@ -0,0 +1,3 @@
+package Common.UI.VisualCache;
+public class VisualCache {
+}
diff --git a/src/Common/UI/VisualCache/VisualCaches.java b/src/Common/UI/VisualCache/VisualCaches.java
new file mode 100644
index 00000000..11f19438
--- /dev/null
+++ b/src/Common/UI/VisualCache/VisualCaches.java
@@ -0,0 +1,46 @@
+package Common.UI.VisualCache;
+import Common.Database.DBObject;
+import TestingSystem.Common.Configuration.Configuration;
+
+import java.util.LinkedHashMap;
+public class VisualCaches {
+    static LinkedHashMap<Class, LinkedHashMap<Object, VisualCache>> allData = new LinkedHashMap<>();
+    static LinkedHashMap<Object, VisualCache> getDataForClass(Class class_) {
+        LinkedHashMap<Object, VisualCache> data;
+        if (allData.containsKey(class_)) {
+            data = allData.get(class_);
+        } else {
+            data = new LinkedHashMap<>();
+            allData.put(class_, data);
+        }
+        return data;
+    }
+    //чтобы не трогать сами объекты и не сбить сериализацию
+    static VisualCache createCache(Object object) {
+        if (object instanceof Configuration)
+            return new ConfigurationCache((Configuration) object);
+        return new VisualCache();
+    }
+    public static VisualCache GetCache(DBObject object) {
+      //  System.out.println("get visual cache for " + object.getPK());
+        VisualCache res = null;
+        LinkedHashMap<Object, VisualCache> data = getDataForClass(object.getClass());
+        if (!data.containsKey(object.getPK())) {
+       //     System.out.println("cache not found, creating...");
+            data.put(object.getPK(), res = createCache(object));
+        } else {
+       //     System.out.println("cache found");
+            res = data.get(object.getPK());
+        }
+        return res;
+    }
+    public static void DeleteCahce(DBObject object){
+        DeleteCahce(object.getClass(), object.getPK());
+    }
+    public static void DeleteCahce(Class class_, Object pk){
+        LinkedHashMap<Object, VisualCache> data = getDataForClass(class_);
+        if (data.containsKey(pk))
+            data.remove(pk);
+
+    }
+}
diff --git a/src/TestingSystem/Common/Configuration/Configuration.java b/src/TestingSystem/Common/Configuration/Configuration.java
index 58c48659..3cabf7d1 100644
--- a/src/TestingSystem/Common/Configuration/Configuration.java
+++ b/src/TestingSystem/Common/Configuration/Configuration.java
@@ -1,17 +1,13 @@
 package TestingSystem.Common.Configuration;
 import Common.Database.DBObject;
 import Common.Database.riDBObject;
-import Common.Global;
 import Common.Utils.Utils;
 import TestingSystem.Common.Group.Group;
-import TestingSystem.Common.Group.Json.GroupJson;
 import TestingSystem.Common.Group.Json.GroupsJson;
-import TestingSystem.Common.Test.Json.TestJson;
 import TestingSystem.Common.Test.Json.TestsJson;
 import TestingSystem.Common.Test.Test;
 import com.sun.org.glassfish.gmbal.Description;
 
-import java.util.LinkedHashMap;
 import java.util.Vector;
 public class Configuration extends riDBObject {
     //конфигурация = данные для пакета.
@@ -34,14 +30,13 @@ public class Configuration extends riDBObject {
     public String packedGroupsJson = "";
     @Description("DEFAULT ''")
     public String packedTestsJson = "";
-    //----
-    //---данные для отображения. кешировать их где-то еще? проблема что отправляются на сервер почем зря.
-    @Description("IGNORE")
-    public GroupsJson groupsJson = null;
-    @Description("IGNORE")
-    public Vector<String> groupsDescriptions = null;
-    @Description("IGNORE")
-    public TestsJson testsJson = null;
+    //--
+    public void saveGroupsAsJson(Vector<Group> groups) {
+        packedGroupsJson = Utils.jsonToPrettyFormat(Utils.gson.toJson(new GroupsJson(groups)));
+    }
+    public void saveTestsAsJson(Vector<Test> tests) {
+        packedTestsJson = Utils.jsonToPrettyFormat(Utils.gson.toJson(new TestsJson(tests)));
+    }
     //--
     @Override
     public void SynchronizeFields(DBObject src) {
@@ -55,60 +50,4 @@ public class Configuration extends riDBObject {
         packedTestsJson = c.packedTestsJson;
     }
     //-
-    public void saveGroupsAsJson(Vector<Group> groups) {
-        packedGroupsJson = Utils.jsonToPrettyFormat(Utils.gson.toJson(new GroupsJson(groups)));
-    }
-    void unpackGroupsAsJson() {
-        if (groupsJson == null) {
-            if (packedGroupsJson.isEmpty())
-                groupsJson = new GroupsJson(); //просто пустой
-            else
-                groupsJson = Utils.gson.fromJson(packedGroupsJson, GroupsJson.class);
-        }
-    }
-    public Vector<String> getGroupsDescriptions() {
-        if (groupsDescriptions==null) {
-            unpackGroupsAsJson();
-            groupsDescriptions = new Vector<>();
-            for (GroupJson groupJson : groupsJson.array)
-                groupsDescriptions.add(groupJson.description);
-        }
-        return groupsDescriptions;
-    }
-    public Vector<Group> getGroups() {
-        //здесь обращение реже так что буферизовать список групп не надо, тем более может меняться.
-        unpackGroupsAsJson();
-        Vector<Group> res = new Vector<>();
-        for (GroupJson groupJson: groupsJson.array){
-            if (Global.testingServer.db.groups.containsKey(groupJson.id))
-                res.add(Global.testingServer.db.groups.get(groupJson.id));
-        }
-        return res;
-    }
-    //--------------------------------------------------------------------->>>
-    public void saveTestsAsJson(Vector<Test> tests) {
-        packedTestsJson = Utils.jsonToPrettyFormat(Utils.gson.toJson(new TestsJson(tests)));
-    }
-    void unpackTestsAsJson() {
-        if (testsJson == null) {
-            if (packedTestsJson.isEmpty())
-                testsJson = new TestsJson(); //просто пустой
-            else
-                testsJson = Utils.gson.fromJson(packedTestsJson, TestsJson.class);
-        }
-    }
-    public int getTestsCount(){
-        unpackTestsAsJson();
-        return testsJson.array.size();
-    }
-    public Vector<Test> getTests() {
-        //здесь обращение реже так что буферизовать список групп не надо, тем более может меняться.
-        unpackTestsAsJson();
-        Vector<Test> res = new Vector<>();
-        for (TestJson testJson: testsJson.array){
-            if (Global.testingServer.db.tests.containsKey(testJson.id))
-                res.add(Global.testingServer.db.tests.get(testJson.id));
-        }
-        return res;
-    }
 }
diff --git a/src/TestingSystem/DVM/DVMConfiguration/DVMConfigurationDBTable.java b/src/TestingSystem/DVM/DVMConfiguration/DVMConfigurationDBTable.java
index c662011c..9905aaa6 100644
--- a/src/TestingSystem/DVM/DVMConfiguration/DVMConfigurationDBTable.java
+++ b/src/TestingSystem/DVM/DVMConfiguration/DVMConfigurationDBTable.java
@@ -2,8 +2,12 @@ package TestingSystem.DVM.DVMConfiguration;
 import Common.Current;
 import Common.Database.DBObject;
 import Common.Database.iDBTable;
+import Common.Global;
 import Common.UI.DataSetControlForm;
 import Common.UI.Tables.TableRenderers;
+import Common.UI.VisualCache.ConfigurationCache;
+import Common.UI.VisualCache.VisualCache;
+import Common.UI.VisualCache.VisualCaches;
 import Common.UI.VisualiserStringList;
 import Common.UI.Windows.Dialog.DBObjectDialog;
 import Common.Utils.Utils;
@@ -62,23 +66,24 @@ public class DVMConfigurationDBTable extends iDBTable<DVMConfiguration> {
     }
     @Override
     public Object getFieldAt(DVMConfiguration object, int columnIndex) {
+        ConfigurationCache cache = (ConfigurationCache) VisualCaches.GetCache(object);
         switch (columnIndex) {
             case 2:
                 return object.description;
             case 3:
                 return object.sender_name;
-                //---
             case 4:
                 return object.printAuto();
             case 5:
-                return object.getGroupsDescriptions();
+                return cache.getGroupsDescriptions();
             case 6:
-                return object.getTestsCount();
-                //---
+                return cache.getTestsCount();
+                //todo упростить. и флаги и окружение будут просто одной строкой. мульти не актуально.
             case 7:
                 return Utils.unpackStrings(object.flags, true);
             case 8:
                 return Utils.unpackStrings(object.environments, true);
+                //------------------------------------------------------------------------------------
             case 9:
                 return object.c_maxtime;
             case 10:
diff --git a/src/Visual_DVM_2021/Passes/All/DeleteConfiguration.java b/src/Visual_DVM_2021/Passes/All/DeleteConfiguration.java
index 31719768..ad629705 100644
--- a/src/Visual_DVM_2021/Passes/All/DeleteConfiguration.java
+++ b/src/Visual_DVM_2021/Passes/All/DeleteConfiguration.java
@@ -2,7 +2,7 @@ package Visual_DVM_2021.Passes.All;
 import Common.Global;
 import TestingSystem.Common.TestingServer;
 import TestingSystem.DVM.DVMConfiguration.DVMConfiguration;
-import Visual_DVM_2021.Passes.DeleteServerObjects;
+import Visual_DVM_2021.Passes.Server.DeleteServerObjects;
 public class DeleteConfiguration extends DeleteServerObjects<TestingServer, DVMConfiguration> {
     public DeleteConfiguration() {
         super(Global.testingServer, DVMConfiguration.class);
diff --git a/src/Visual_DVM_2021/Passes/All/DeleteGroup.java b/src/Visual_DVM_2021/Passes/All/DeleteGroup.java
index f9431d70..a3c25e2d 100644
--- a/src/Visual_DVM_2021/Passes/All/DeleteGroup.java
+++ b/src/Visual_DVM_2021/Passes/All/DeleteGroup.java
@@ -2,7 +2,7 @@ package Visual_DVM_2021.Passes.All;
 import Common.Global;
 import TestingSystem.Common.Group.Group;
 import TestingSystem.Common.TestingServer;
-import Visual_DVM_2021.Passes.DeleteServerObjects;
+import Visual_DVM_2021.Passes.Server.DeleteServerObjects;
 public class DeleteGroup extends DeleteServerObjects<TestingServer, Group> {
     public DeleteGroup() {
         super(Global.testingServer, Group.class);
diff --git a/src/Visual_DVM_2021/Passes/All/DeleteSapforConfiguration.java b/src/Visual_DVM_2021/Passes/All/DeleteSapforConfiguration.java
index 30c65ad4..a6c73b15 100644
--- a/src/Visual_DVM_2021/Passes/All/DeleteSapforConfiguration.java
+++ b/src/Visual_DVM_2021/Passes/All/DeleteSapforConfiguration.java
@@ -2,7 +2,7 @@ package Visual_DVM_2021.Passes.All;
 import Common.Global;
 import TestingSystem.Common.TestingServer;
 import TestingSystem.SAPFOR.SapforConfiguration.SapforConfiguration;
-import Visual_DVM_2021.Passes.DeleteServerObjects;
+import Visual_DVM_2021.Passes.Server.DeleteServerObjects;
 public class DeleteSapforConfiguration extends DeleteServerObjects<TestingServer, SapforConfiguration> {
     public DeleteSapforConfiguration() {
         super(Global.testingServer, SapforConfiguration.class);
diff --git a/src/Visual_DVM_2021/Passes/All/DeleteSapforConfigurationCommand.java b/src/Visual_DVM_2021/Passes/All/DeleteSapforConfigurationCommand.java
index adf58f19..900330dc 100644
--- a/src/Visual_DVM_2021/Passes/All/DeleteSapforConfigurationCommand.java
+++ b/src/Visual_DVM_2021/Passes/All/DeleteSapforConfigurationCommand.java
@@ -2,7 +2,7 @@ package Visual_DVM_2021.Passes.All;
 import Common.Global;
 import TestingSystem.Common.TestingServer;
 import TestingSystem.SAPFOR.SapforConfigurationCommand.SapforConfigurationCommand;
-import Visual_DVM_2021.Passes.DeleteServerObjects;
+import Visual_DVM_2021.Passes.Server.DeleteServerObjects;
 public class DeleteSapforConfigurationCommand extends DeleteServerObjects<TestingServer, SapforConfigurationCommand> {
     public DeleteSapforConfigurationCommand() {
         super(Global.testingServer, SapforConfigurationCommand.class);
diff --git a/src/Visual_DVM_2021/Passes/All/DeleteTest.java b/src/Visual_DVM_2021/Passes/All/DeleteTest.java
index ef0e7942..39e77c04 100644
--- a/src/Visual_DVM_2021/Passes/All/DeleteTest.java
+++ b/src/Visual_DVM_2021/Passes/All/DeleteTest.java
@@ -2,7 +2,7 @@ package Visual_DVM_2021.Passes.All;
 import Common.Global;
 import TestingSystem.Common.Test.Test;
 import TestingSystem.Common.TestingServer;
-import Visual_DVM_2021.Passes.DeleteServerObjects;
+import Visual_DVM_2021.Passes.Server.DeleteServerObjects;
 public class DeleteTest extends DeleteServerObjects<TestingServer, Test> {
     public DeleteTest() {
         super(Global.testingServer, Test.class);
diff --git a/src/Visual_DVM_2021/Passes/All/ShowCurrentDVMConfigurationTests.java b/src/Visual_DVM_2021/Passes/All/ShowCurrentDVMConfigurationTests.java
index 78d9b88d..ebed0934 100644
--- a/src/Visual_DVM_2021/Passes/All/ShowCurrentDVMConfigurationTests.java
+++ b/src/Visual_DVM_2021/Passes/All/ShowCurrentDVMConfigurationTests.java
@@ -1,6 +1,8 @@
 package Visual_DVM_2021.Passes.All;
 import Common.Current;
 import Common.Global;
+import Common.UI.VisualCache.ConfigurationCache;
+import Common.UI.VisualCache.VisualCaches;
 import TestingSystem.Common.Group.Group;
 import TestingSystem.Common.Test.Test;
 import TestingSystem.DVM.DVMConfiguration.DVMConfiguration;
@@ -32,8 +34,9 @@ public class ShowCurrentDVMConfigurationTests extends Pass_2021<DVMConfiguration
     @Override
     protected void showDone() throws Exception {
         System.out.println("package="+target.id);
-        Vector<Group> groups = target.getGroups();
-        Vector<Test> tests = target.getTests();
+        ConfigurationCache cache = (ConfigurationCache) VisualCaches.GetCache(target);
+        Vector<Group> groups =  cache.getGroups();
+        Vector<Test> tests = cache.getTests();
         //-----
         //--
         for (Group group: groups)
diff --git a/src/Visual_DVM_2021/Passes/All/StartSelectedDVMConfigurations.java b/src/Visual_DVM_2021/Passes/All/StartSelectedDVMConfigurations.java
index f0bdb54f..61e165ba 100644
--- a/src/Visual_DVM_2021/Passes/All/StartSelectedDVMConfigurations.java
+++ b/src/Visual_DVM_2021/Passes/All/StartSelectedDVMConfigurations.java
@@ -2,6 +2,8 @@ package Visual_DVM_2021.Passes.All;
 import Common.Current;
 import Common.Global;
 import Common.UI.UI;
+import Common.UI.VisualCache.ConfigurationCache;
+import Common.UI.VisualCache.VisualCaches;
 import Common.Utils.Utils;
 import GlobalData.Compiler.CompilerType;
 import GlobalData.Machine.MachineType;
@@ -141,8 +143,9 @@ public class StartSelectedDVMConfigurations extends PublishServerObject<TestingS
             );
             //----
             for (DVMConfiguration configuration: configurations) {
-                groups = configuration.getGroups();
-                tests = configuration.getTests();
+                ConfigurationCache cache = (ConfigurationCache) VisualCaches.GetCache(configuration);
+                groups = cache.getGroups();
+                tests = cache.getTests();
                 //-
                 for (Group group: groups){
                     Vector<Test> groupTests = new Vector<>();
diff --git a/src/Visual_DVM_2021/Passes/DeleteTestingPackages.java b/src/Visual_DVM_2021/Passes/DeleteTestingPackages.java
index 0393b459..164dd083 100644
--- a/src/Visual_DVM_2021/Passes/DeleteTestingPackages.java
+++ b/src/Visual_DVM_2021/Passes/DeleteTestingPackages.java
@@ -4,10 +4,11 @@ import Common.Global;
 import Common.Utils.Utils;
 import TestingSystem.Common.TestingPackage.TestingPackage;
 import TestingSystem.Common.TestingServer;
+import Visual_DVM_2021.Passes.Server.DeleteServerObjects;
 
 import java.io.File;
 import java.util.Vector;
-public abstract class DeleteTestingPackages<P extends TestingPackage> extends DeleteServerObjects<TestingServer, P>{
+public abstract class DeleteTestingPackages<P extends TestingPackage> extends DeleteServerObjects<TestingServer, P> {
     boolean delete_draft;
     public DeleteTestingPackages(Class<P> p) {
         super(Global.testingServer, p);
diff --git a/src/Visual_DVM_2021/Passes/Server/DeleteServerObject.java b/src/Visual_DVM_2021/Passes/Server/DeleteServerObject.java
index 1c1165b0..257585e8 100644
--- a/src/Visual_DVM_2021/Passes/Server/DeleteServerObject.java
+++ b/src/Visual_DVM_2021/Passes/Server/DeleteServerObject.java
@@ -1,5 +1,7 @@
 package Visual_DVM_2021.Passes.Server;
 import Common.Database.DBObject;
+import Common.UI.VisualCache.VisualCache;
+import Common.UI.VisualCache.VisualCaches;
 import Repository.RepositoryServer;
 public class DeleteServerObject<S extends RepositoryServer, D extends DBObject> extends ServerObjectPass<S, D> {
     @Override
@@ -11,6 +13,11 @@ public class DeleteServerObject<S extends RepositoryServer, D extends DBObject>
         target = (D) getDb().tables.get(d).getCurrent();
         return getDb().tables.get(d).CheckCurrent(Log) && getDb().tables.get(d).ShowDeleteObjectDialog(target);
     }
+    @Override
+    protected void performPreparation() throws Exception {
+        super.performPreparation();
+        VisualCaches.DeleteCahce(target);
+    }
     //Очищаем все связанные таблицы, чтобы не допустить перерисовки во время удаления объекта.
     @Override
     protected void showPreparation() throws Exception {
diff --git a/src/Visual_DVM_2021/Passes/DeleteServerObjects.java b/src/Visual_DVM_2021/Passes/Server/DeleteServerObjects.java
similarity index 90%
rename from src/Visual_DVM_2021/Passes/DeleteServerObjects.java
rename to src/Visual_DVM_2021/Passes/Server/DeleteServerObjects.java
index aabfb50a..9a045365 100644
--- a/src/Visual_DVM_2021/Passes/DeleteServerObjects.java
+++ b/src/Visual_DVM_2021/Passes/Server/DeleteServerObjects.java
@@ -1,9 +1,10 @@
-package Visual_DVM_2021.Passes;
+package Visual_DVM_2021.Passes.Server;
 import Common.Current;
 import Common.Database.DBObject;
 import Common.Database.DBTable;
 import Common.Database.Database;
 import Common.UI.UI;
+import Common.UI.VisualCache.VisualCaches;
 import Repository.RepositoryServer;
 import Repository.Server.ServerCode;
 import Repository.Server.ServerExchangeUnit_2021;
@@ -48,6 +49,13 @@ public class DeleteServerObjects <S extends RepositoryServer, D extends DBObject
             return false;
         }
     }
+    @Override
+    protected void performPreparation() throws Exception {
+        super.performPreparation();
+        for (Object key: target){
+            VisualCaches.DeleteCahce(d, key);
+        }
+    }
     //Очищаем все связанные таблицы, чтобы не допустить перерисовки во время удаления объекта.
     @Override
     protected void showPreparation() throws Exception {
diff --git a/src/Visual_DVM_2021/Passes/Server/EditServerObject.java b/src/Visual_DVM_2021/Passes/Server/EditServerObject.java
index 456d79e2..e7d36771 100644
--- a/src/Visual_DVM_2021/Passes/Server/EditServerObject.java
+++ b/src/Visual_DVM_2021/Passes/Server/EditServerObject.java
@@ -1,5 +1,6 @@
 package Visual_DVM_2021.Passes.Server;
 import Common.Database.DBObject;
+import Common.UI.VisualCache.VisualCaches;
 import Repository.RepositoryServer;
 public class EditServerObject<S extends RepositoryServer, D extends DBObject> extends ServerObjectPass<S, D> {
     //--
@@ -13,6 +14,12 @@ public class EditServerObject<S extends RepositoryServer, D extends DBObject> ex
         target = (D) getDb().tables.get(d).getCurrent();
         return getDb().tables.get(d).CheckCurrent(Log) && getDb().tables.get(d).ShowEditObjectDialog(target);
     }
+    @Override
+    protected void performPreparation() throws Exception {
+        super.performPreparation();
+        //очистить кэш.
+        VisualCaches.DeleteCahce(target);
+    }
     //--
     public EditServerObject(S server_in, Class<D> d_in) {
         super(server_in, d_in);