diff --git a/gogs.go b/gogs.go
index dc1cc000b5..60a5b24899 100644
--- a/gogs.go
+++ b/gogs.go
@@ -17,7 +17,7 @@ import (
 	"github.com/gogits/gogs/modules/setting"
 )
 
-const APP_VER = "0.6.16.1022 Beta"
+const APP_VER = "0.6.16.1023 Beta"
 
 func init() {
 	runtime.GOMAXPROCS(runtime.NumCPU())
diff --git a/models/update.go b/models/update.go
index cbaf0e6618..645b58c4c5 100644
--- a/models/update.go
+++ b/models/update.go
@@ -117,12 +117,12 @@ func Update(refName, oldCommitId, newCommitId, userName, repoUserName, repoName
 	if isNew {
 		l, err = newCommit.CommitsBefore()
 		if err != nil {
-			return fmt.Errorf("Find CommitsBefore erro: %v", err)
+			return fmt.Errorf("CommitsBefore: %v", err)
 		}
 	} else {
 		l, err = newCommit.CommitsBeforeUntil(oldCommitId)
 		if err != nil {
-			return fmt.Errorf("Find CommitsBeforeUntil erro: %v", err)
+			return fmt.Errorf("CommitsBeforeUntil: %v", err)
 		}
 	}
 
diff --git a/modules/git/repo_commit.go b/modules/git/repo_commit.go
index cb9fa8d459..e8ac2dfc57 100644
--- a/modules/git/repo_commit.go
+++ b/modules/git/repo_commit.go
@@ -111,9 +111,9 @@ func (repo *Repository) getCommit(id sha1) (*Commit, error) {
 		repo.commitCache = make(map[sha1]*Commit, 10)
 	}
 
-	data, bytErr, err := com.ExecCmdDirBytes(repo.Path, "git", "cat-file", "-p", id.String())
+	data, stderr, err := com.ExecCmdDirBytes(repo.Path, "git", "cat-file", "-p", id.String())
 	if err != nil {
-		return nil, errors.New(err.Error() + ": " + string(bytErr))
+		return nil, concatenateError(err, string(stderr))
 	}
 
 	commit, err := parseCommitData(data)
@@ -229,7 +229,7 @@ func (repo *Repository) CommitsBetween(last *Commit, before *Commit) (*list.List
 func (repo *Repository) commitsBefore(lock *sync.Mutex, l *list.List, parent *list.Element, id sha1, limit int) error {
 	commit, err := repo.getCommit(id)
 	if err != nil {
-		return err
+		return fmt.Errorf("getCommit: %v", err)
 	}
 
 	var e *list.Element
@@ -301,8 +301,7 @@ func (repo *Repository) CommitsByFileAndRange(branch, file string, page int) (*l
 func (repo *Repository) getCommitsBefore(id sha1) (*list.List, error) {
 	l := list.New()
 	lock := new(sync.Mutex)
-	err := repo.commitsBefore(lock, l, nil, id, 0)
-	return l, err
+	return l, repo.commitsBefore(lock, l, nil, id, 0)
 }
 
 func (repo *Repository) searchCommits(id sha1, keyword string) (*list.List, error) {
diff --git a/routers/repo/issue.go b/routers/repo/issue.go
index 5bc53b35f8..e49b572c26 100644
--- a/routers/repo/issue.go
+++ b/routers/repo/issue.go
@@ -768,7 +768,7 @@ func NewComment(ctx *middleware.Context, form auth.CreateCommentForm) {
 
 			var pr *models.PullRequest
 
-			if form.Status == "reopen" {
+			if form.Status == "reopen" && issue.IsPull {
 				pull := issue.PullRequest
 				pr, err = models.GetUnmergedPullRequest(pull.HeadRepoID, pull.BaseRepoID, pull.HeadBranch, pull.BaseBranch)
 				if err != nil {
diff --git a/templates/.VERSION b/templates/.VERSION
index c7f062e51b..f179151c0f 100644
--- a/templates/.VERSION
+++ b/templates/.VERSION
@@ -1 +1 @@
-0.6.16.1022 Beta
\ No newline at end of file
+0.6.16.1023 Beta
\ No newline at end of file