diff --git a/src/main/scala/gitbucket/core/service/IssuesService.scala b/src/main/scala/gitbucket/core/service/IssuesService.scala
index 8f665c6..c9854ea 100644
--- a/src/main/scala/gitbucket/core/service/IssuesService.scala
+++ b/src/main/scala/gitbucket/core/service/IssuesService.scala
@@ -700,11 +700,12 @@
 
   def closeIssuesFromMessage(message: String, userName: String, owner: String, repository: String)(
     implicit s: Session
-  ): Unit = {
-    extractCloseId(message).foreach { issueId =>
-      for (issue <- getIssue(owner, repository, issueId) if !issue.closed) {
+  ): Seq[Int] = {
+    extractCloseId(message).flatMap { issueId =>
+      for (issue <- getIssue(owner, repository, issueId) if !issue.closed) yield {
         createComment(owner, repository, userName, issue.issueId, "Close", "close")
         updateClosed(owner, repository, issue.issueId, true)
+        issue.issueId
       }
     }
   }
diff --git a/src/main/scala/gitbucket/core/service/PullRequestService.scala b/src/main/scala/gitbucket/core/service/PullRequestService.scala
index 0f7f50c..c6cde8e 100644
--- a/src/main/scala/gitbucket/core/service/PullRequestService.scala
+++ b/src/main/scala/gitbucket/core/service/PullRequestService.scala
@@ -116,6 +116,24 @@
       .map { case (t1, t2) => t1 }
       .list
 
+  def getPullRequestsByBranch(userName: String, repositoryName: String, branch: String, closed: Option[Boolean])(
+    implicit s: Session
+  ): List[PullRequest] =
+    PullRequests
+      .join(Issues)
+      .on { (t1, t2) =>
+        t1.byPrimaryKey(t2.userName, t2.repositoryName, t2.issueId)
+      }
+      .filter {
+        case (t1, t2) =>
+          (t1.requestUserName === userName.bind) &&
+            (t1.requestRepositoryName === repositoryName.bind) &&
+            (t1.branch === branch.bind) &&
+            (t2.closed === closed.get.bind, closed.isDefined)
+      }
+      .map { case (t1, t2) => t1 }
+      .list
+
   /**
    * for repository viewer.
    * 1. find pull request from `branch` to other branch on same repository
@@ -358,6 +376,14 @@
       .sortWith(_.registeredDate before _.registeredDate)
   }
 
+  def markMergeAndClosePullRequest(userName: String, owner: String, repository: String, pull: PullRequest)(
+    implicit s: Session
+  ): Unit = {
+    createComment(owner, repository, userName, pull.issueId, "Merged by user", "merge")
+    createComment(owner, repository, userName, pull.issueId, "Close", "close")
+    updateClosed(owner, repository, pull.issueId, true)
+  }
+
 }
 
 object PullRequestService {
diff --git a/src/main/scala/gitbucket/core/servlet/GitRepositoryServlet.scala b/src/main/scala/gitbucket/core/servlet/GitRepositoryServlet.scala
index 0a8d956..cfc5f3b 100644
--- a/src/main/scala/gitbucket/core/servlet/GitRepositoryServlet.scala
+++ b/src/main/scala/gitbucket/core/servlet/GitRepositoryServlet.scala
@@ -296,13 +296,32 @@
                   createIssueComment(owner, repository, commit)
                   // close issues
                   if (refName(1) == "heads" && branchName == defaultBranch && command.getType == ReceiveCommand.Type.UPDATE) {
-                    closeIssuesFromMessage(commit.fullMessage, pusher, owner, repository)
+                    getAccountByUserName(pusher).map { pusherAccount =>
+                      closeIssuesFromMessage(commit.fullMessage, pusher, owner, repository).foreach { issueId =>
+                        getIssue(owner, repository, issueId.toString).map { issue =>
+                          callIssuesWebHook("closed", repositoryInfo, issue, baseUrl, pusherAccount)
+                        }
+                      }
+                    }
                   }
                 }
                 Some(commit)
               } else None
             }
 
+            // set PR as merged
+            val pulls = getPullRequestsByBranch(owner, repository, branchName, Some(false))
+            pulls.foreach { pull =>
+              if (commits.find { c =>
+                    c.id == pull.commitIdTo
+                  }.isDefined) {
+                markMergeAndClosePullRequest(pusher, owner, repository, pull)
+                getAccountByUserName(pusher).map { pusherAccount =>
+                  callPullRequestWebHook("closed", repositoryInfo, pull.issueId, baseUrl, pusherAccount)
+                }
+              }
+            }
+
             // record activity
             if (refName(1) == "heads") {
               command.getType match {
diff --git a/src/main/twirl/gitbucket/core/pulls/menu.scala.html b/src/main/twirl/gitbucket/core/pulls/menu.scala.html
index 5fc8c5e..d5bb98b 100644
--- a/src/main/twirl/gitbucket/core/pulls/menu.scala.html
+++ b/src/main/twirl/gitbucket/core/pulls/menu.scala.html
@@ -44,8 +44,8 @@
         <span class="muted">
           @helpers.user(comment.commentedUserName, styleClass = "username strong")
           merged @commits.size @helpers.plural(commits.size, "commit")
-          into <code>@pullreq.userName:@pullreq.branch</code> from <code>@pullreq.requestUserName
-          :@pullreq.requestBranch</code>
+          into <code>@pullreq.userName:@pullreq.branch</code>
+          from <code>@pullreq.requestUserName:@pullreq.requestBranch</code>
           @gitbucket.core.helper.html.datetimeago(comment.registeredDate)
         </span>
         }.getOrElse {
@@ -53,8 +53,8 @@
           <span class="muted">
             @helpers.user(issue.openedUserName, styleClass = "username strong")
             wants to merge @commits.size @helpers.plural(commits.size, "commit")
-            into <code>@pullreq.userName:@pullreq.branch</code> from <code>@pullreq.requestUserName
-            :@pullreq.requestBranch</code>
+            into <code>@pullreq.userName:@pullreq.branch</code>
+            from <code>@pullreq.requestUserName:@pullreq.requestBranch</code>
           </span>
         }
       } else {
@@ -62,8 +62,8 @@
         <span class="muted">
           @helpers.user(issue.openedUserName, styleClass = "username strong")
           wants to merge @commits.size @helpers.plural(commits.size, "commit")
-          into <code>@pullreq.userName:@pullreq.branch</code> from <code>@pullreq.requestUserName
-          :@pullreq.requestBranch</code>
+          into <code>@pullreq.userName:@pullreq.branch</code>
+          from <code>@pullreq.requestUserName:@pullreq.requestBranch</code>
         </span>
       }
       </div>