diff --git a/bitbucket-app/src/main/java/org/sadtech/bot/vcs/bitbucket/app/service/converter/CommentJsonToComment.java b/bitbucket-app/src/main/java/org/sadtech/bot/vcs/bitbucket/app/service/converter/CommentJsonToComment.java
index 5f37c89..81e03f1 100644
--- a/bitbucket-app/src/main/java/org/sadtech/bot/vcs/bitbucket/app/service/converter/CommentJsonToComment.java
+++ b/bitbucket-app/src/main/java/org/sadtech/bot/vcs/bitbucket/app/service/converter/CommentJsonToComment.java
@@ -4,6 +4,7 @@ package org.sadtech.bot.vcs.bitbucket.app.service.converter;
 import org.sadtech.bot.vcs.bitbucket.sdk.domain.CommentJson;
 import org.sadtech.bot.vcs.bitbucket.sdk.domain.Severity;
 import org.sadtech.bot.vcs.core.domain.entity.Comment;
+import org.sadtech.bot.vcs.core.utils.StringUtils;
 import org.springframework.core.convert.converter.Converter;
 import org.springframework.stereotype.Component;
 
@@ -19,7 +20,7 @@ public class CommentJsonToComment implements Converter<CommentJson, Comment> {
         comment.setCreateDate(source.getCreatedDate());
         comment.setAuthor(source.getAuthor().getName());
         comment.setPullRequestId(source.getCustomPullRequestId());
-        comment.setMessage(source.getText());
+        comment.setMessage(StringUtils.cutOff(source.getText(), 490));
         comment.setUrlApi(source.getCustomCommentApiUrl());
         comment.setBitbucketVersion(source.getVersion());
         comment.setAnswers(
diff --git a/bitbucket-app/src/main/java/org/sadtech/bot/vcs/bitbucket/app/service/converter/CommentJsonToTaskConvert.java b/bitbucket-app/src/main/java/org/sadtech/bot/vcs/bitbucket/app/service/converter/CommentJsonToTaskConvert.java
index 60da80a..4a90373 100644
--- a/bitbucket-app/src/main/java/org/sadtech/bot/vcs/bitbucket/app/service/converter/CommentJsonToTaskConvert.java
+++ b/bitbucket-app/src/main/java/org/sadtech/bot/vcs/bitbucket/app/service/converter/CommentJsonToTaskConvert.java
@@ -6,6 +6,7 @@ import org.sadtech.bot.vcs.bitbucket.sdk.domain.CommentState;
 import org.sadtech.bot.vcs.bitbucket.sdk.domain.Severity;
 import org.sadtech.bot.vcs.core.domain.TaskStatus;
 import org.sadtech.bot.vcs.core.domain.entity.Task;
+import org.sadtech.bot.vcs.core.utils.StringUtils;
 import org.springframework.core.convert.converter.Converter;
 import org.springframework.stereotype.Component;
 
@@ -19,7 +20,7 @@ public class CommentJsonToTaskConvert implements Converter<CommentJson, Task> {
         final Task task = new Task();
         task.setId(source.getId());
         task.setAuthor(source.getAuthor().getName());
-        task.setDescription(source.getText());
+        task.setDescription(StringUtils.cutOff(source.getText(), 490));
         task.setCreateDate(source.getCreatedDate());
         task.setBitbucketVersion(source.getVersion());
         task.setPullRequestId(source.getCustomPullRequestId());
diff --git a/bitbucket-app/src/main/java/org/sadtech/bot/vcs/bitbucket/app/service/converter/PullRequestJsonConverter.java b/bitbucket-app/src/main/java/org/sadtech/bot/vcs/bitbucket/app/service/converter/PullRequestJsonConverter.java
index 6c6bc7e..ec5e537 100644
--- a/bitbucket-app/src/main/java/org/sadtech/bot/vcs/bitbucket/app/service/converter/PullRequestJsonConverter.java
+++ b/bitbucket-app/src/main/java/org/sadtech/bot/vcs/bitbucket/app/service/converter/PullRequestJsonConverter.java
@@ -12,6 +12,7 @@ import org.sadtech.bot.vcs.core.domain.PullRequestStatus;
 import org.sadtech.bot.vcs.core.domain.ReviewerStatus;
 import org.sadtech.bot.vcs.core.domain.entity.PullRequest;
 import org.sadtech.bot.vcs.core.domain.entity.Reviewer;
+import org.sadtech.bot.vcs.core.utils.StringUtils;
 import org.springframework.core.convert.converter.Converter;
 import org.springframework.stereotype.Component;
 
@@ -30,9 +31,9 @@ public class PullRequestJsonConverter implements Converter<PullRequestJson, Pull
         pullRequest.setCreateDate(json.getCreatedDate());
         pullRequest.setUpdateDate(json.getUpdatedDate());
         pullRequest.setConflict(convertConflict(json.getProperties()));
-        pullRequest.setDescription(convertString(json.getDescription(), 180));
+        pullRequest.setDescription(StringUtils.cutOff(json.getDescription(), 180));
         pullRequest.setAuthorLogin(json.getAuthor().getUser().getName());
-        pullRequest.setTitle(convertString(json.getTitle(), 90));
+        pullRequest.setTitle(StringUtils.cutOff(json.getTitle(), 90));
         pullRequest.setUrl(json.getLinks().getSelf().get(0).getHref());
         pullRequest.setStatus(convertPullRequestStatus(json.getState()));
         pullRequest.setProjectKey(json.getFromRef().getRepository().getProject().getKey());
@@ -50,13 +51,6 @@ public class PullRequestJsonConverter implements Converter<PullRequestJson, Pull
                 && Outcome.CONFLICTED.equals(properties.getMergeResult().getOutcome());
     }
 
-    private String convertString(String string, int length) {
-        if (string != null) {
-            return string.length() > length ? string.substring(0, length) + "..." : string;
-        }
-        return null;
-    }
-
     public static PullRequestStatus convertPullRequestStatus(PullRequestState state) {
         switch (state) {
             case OPEN:
diff --git a/bot-core/src/main/java/org/sadtech/bot/vcs/core/service/impl/CommentServiceImpl.java b/bot-core/src/main/java/org/sadtech/bot/vcs/core/service/impl/CommentServiceImpl.java
index 5ffee01..f05e680 100644
--- a/bot-core/src/main/java/org/sadtech/bot/vcs/core/service/impl/CommentServiceImpl.java
+++ b/bot-core/src/main/java/org/sadtech/bot/vcs/core/service/impl/CommentServiceImpl.java
@@ -122,23 +122,25 @@ public class CommentServiceImpl extends AbstractSimpleManagerService<Comment, Lo
         final Set<Long> newAnswerIds = newComment.getAnswers();
         if (!oldAnswerIds.equals(newAnswerIds)) {
             final Set<Long> existsNewAnswersIds = commentRepository.existsById(newAnswerIds);
-            final List<Comment> newAnswers = commentRepository.findAllById(existsNewAnswersIds).stream()
-                    .filter(comment -> !oldAnswerIds.contains(comment.getId()))
-                    .collect(Collectors.toList());
-            oldComment.getAnswers().clear();
-            oldComment.setAnswers(existsNewAnswersIds);
-            notifyService.send(
-                    AnswerCommentNotify.builder()
-                            .logins(Collections.singleton(newComment.getAuthor()))
-                            .url(oldComment.getUrl())
-                            .youMessage(newComment.getMessage())
-                            .answers(
-                                    newAnswers.stream()
-                                            .map(answerComment -> Answer.of(answerComment.getAuthor(), answerComment.getMessage()))
-                                            .collect(Collectors.toList())
-                            )
-                            .build()
-            );
+            if (!existsNewAnswersIds.isEmpty()) {
+                final List<Comment> newAnswers = commentRepository.findAllById(existsNewAnswersIds).stream()
+                        .filter(comment -> !oldAnswerIds.contains(comment.getId()))
+                        .collect(Collectors.toList());
+                oldComment.getAnswers().clear();
+                oldComment.setAnswers(existsNewAnswersIds);
+                notifyService.send(
+                        AnswerCommentNotify.builder()
+                                .logins(Collections.singleton(newComment.getAuthor()))
+                                .url(oldComment.getUrl())
+                                .youMessage(newComment.getMessage())
+                                .answers(
+                                        newAnswers.stream()
+                                                .map(answerComment -> Answer.of(answerComment.getAuthor(), answerComment.getMessage()))
+                                                .collect(Collectors.toList())
+                                )
+                                .build()
+                );
+            }
         }
     }
 
diff --git a/bot-core/src/main/java/org/sadtech/bot/vcs/core/service/impl/TaskServiceImpl.java b/bot-core/src/main/java/org/sadtech/bot/vcs/core/service/impl/TaskServiceImpl.java
index c9f7c0e..4ccd900 100644
--- a/bot-core/src/main/java/org/sadtech/bot/vcs/core/service/impl/TaskServiceImpl.java
+++ b/bot-core/src/main/java/org/sadtech/bot/vcs/core/service/impl/TaskServiceImpl.java
@@ -120,23 +120,25 @@ public class TaskServiceImpl extends AbstractSimpleManagerService<Task, Long> im
         final Set<Long> newAnswerIds = task.getAnswers();
         if (!oldAnswerIds.equals(newAnswerIds)) {
             final Set<Long> existsNewAnswersIds = commentService.existsById(newAnswerIds);
-            final List<Comment> newAnswers = commentService.getAllById(existsNewAnswersIds).stream()
-                    .filter(comment -> !oldAnswerIds.contains(comment.getId()))
-                    .collect(Collectors.toList());
-            oldTask.getAnswers().clear();
-            oldTask.setAnswers(existsNewAnswersIds);
-            notifyService.send(
-                    AnswerCommentNotify.builder()
-                            .logins(Collections.singleton(oldTask.getAuthor()))
-                            .url(oldTask.getUrl())
-                            .youMessage(oldTask.getDescription())
-                            .answers(
-                                    newAnswers.stream()
-                                            .map(answerComment -> Answer.of(answerComment.getAuthor(), answerComment.getMessage()))
-                                            .collect(Collectors.toList())
-                            )
-                            .build()
-            );
+            if (!existsNewAnswersIds.isEmpty()) {
+                final List<Comment> newAnswers = commentService.getAllById(existsNewAnswersIds).stream()
+                        .filter(comment -> !oldAnswerIds.contains(comment.getId()))
+                        .collect(Collectors.toList());
+                oldTask.getAnswers().clear();
+                oldTask.setAnswers(existsNewAnswersIds);
+                notifyService.send(
+                        AnswerCommentNotify.builder()
+                                .logins(Collections.singleton(oldTask.getAuthor()))
+                                .url(oldTask.getUrl())
+                                .youMessage(oldTask.getDescription())
+                                .answers(
+                                        newAnswers.stream()
+                                                .map(answerComment -> Answer.of(answerComment.getAuthor(), answerComment.getMessage()))
+                                                .collect(Collectors.toList())
+                                )
+                                .build()
+                );
+            }
         }
     }
 
diff --git a/bot-core/src/main/java/org/sadtech/bot/vcs/core/utils/Smile.java b/bot-core/src/main/java/org/sadtech/bot/vcs/core/utils/Smile.java
index f43bac8..8da9305 100644
--- a/bot-core/src/main/java/org/sadtech/bot/vcs/core/utils/Smile.java
+++ b/bot-core/src/main/java/org/sadtech/bot/vcs/core/utils/Smile.java
@@ -52,8 +52,4 @@ public enum Smile {
         return value;
     }
 
-    public static class Constants {
-        public static final String EMPTY = "";
-    }
-
 }
diff --git a/bot-core/src/main/java/org/sadtech/bot/vcs/core/utils/StringUtils.java b/bot-core/src/main/java/org/sadtech/bot/vcs/core/utils/StringUtils.java
new file mode 100644
index 0000000..559b39f
--- /dev/null
+++ b/bot-core/src/main/java/org/sadtech/bot/vcs/core/utils/StringUtils.java
@@ -0,0 +1,21 @@
+package org.sadtech.bot.vcs.core.utils;
+
+import lombok.AccessLevel;
+import lombok.NoArgsConstructor;
+
+/**
+ * // TODO: 29.09.2020 Добавить описание.
+ *
+ * @author upagge 29.09.2020
+ */
+@NoArgsConstructor(access = AccessLevel.PRIVATE)
+public class StringUtils {
+
+    public static String cutOff(String string, int length) {
+        if (string != null) {
+            return string.length() > length ? string.substring(0, length) + "..." : string;
+        }
+        return null;
+    }
+
+}