diff --git a/app/helpers/repositories_helper.rb b/app/helpers/repositories_helper.rb
index a845b70c5..10ad1377e 100644
--- a/app/helpers/repositories_helper.rb
+++ b/app/helpers/repositories_helper.rb
@@ -62,4 +62,14 @@ module RepositoriesHelper
 
     return content
   end
+
+  # unix_time values for example: 1604382982
+  def render_format_time_with_unix(unix_time)
+    Time.at(unix_time).strftime("%Y-%m-%d %H:%M")
+  end
+
+  # date for example: 2020-11-01T19:57:27+08:00
+  def render_format_time_with_date(date)
+    date.to_time.strftime("%Y-%m-%d %H:%M")
+  end
 end
diff --git a/app/views/pull_requests/_commit.json.jbuilder b/app/views/pull_requests/_commit.json.jbuilder
index 023c2f302..0b7db5893 100644
--- a/app/views/pull_requests/_commit.json.jbuilder
+++ b/app/views/pull_requests/_commit.json.jbuilder
@@ -9,5 +9,6 @@ json.committer do
 end
 json.timestamp render_unix_time(commit['Committer']['When'])
 json.time_from_now time_from_now(commit['Committer']['When'])
+json.created_at render_format_time_with_date(commit['Committer']['When'])
 json.message commit['CommitMessage']
 json.sha commit['Sha']
diff --git a/app/views/repositories/_last_commit.json.jbuilder b/app/views/repositories/_last_commit.json.jbuilder
index 9d6bbe345..56823b770 100644
--- a/app/views/repositories/_last_commit.json.jbuilder
+++ b/app/views/repositories/_last_commit.json.jbuilder
@@ -1,8 +1,7 @@
-created_at = Time.at(entry['latest_commit']['created_at'].to_i).strftime("%Y-%m-%d %H:%M")
 json.commit do
   json.message entry['latest_commit']['message']
   json.sha entry['latest_commit']['sha']
-  json.created_at created_at
+  json.created_at render_format_time_with_unix(entry['latest_commit']['created_at'].to_i)
   json.time_from_now time_from_now(created_at)
   json.created_at_unix entry['latest_commit']['created_at']
 end