diff --git a/src/main/scala/gitbucket/core/controller/PullRequestsController.scala b/src/main/scala/gitbucket/core/controller/PullRequestsController.scala
index 35ae255..c3aec88 100644
--- a/src/main/scala/gitbucket/core/controller/PullRequestsController.scala
+++ b/src/main/scala/gitbucket/core/controller/PullRequestsController.scala
@@ -177,7 +177,7 @@
         }
         val hasMergePermission = hasWritePermission(owner, name, context.loginAccount)
         val branchProtection = getProtectedBranchInfo(owner, name, pullreq.branch)
-        val state = PullRequestsController.MergeStatus(
+        val state = PullRequestService.MergeStatus(
            hasConflict         = hasConflict,
            commitStatues       = getCommitStatues(owner, name, pullreq.commitIdTo),
            branchProtection    = branchProtection,
@@ -619,31 +619,3 @@
     }
   }
 }
-
-object PullRequestsController {
-  case class MergeStatus(
-    hasConflict: Boolean,
-    commitStatues:List[CommitStatus],
-    branchProtection: ProtectedBrancheService.ProtectedBranchInfo,
-    branchIsOutOfDate: Boolean,
-    hasUpdatePermission: Boolean,
-    needStatusCheck: Boolean,
-    hasMergePermission: Boolean,
-    commitIdTo: String){
-
-    val statuses: List[CommitStatus] =
-      commitStatues ++ (branchProtection.contexts.toSet -- commitStatues.map(_.context).toSet).map(branchProtection.pendingCommitStatus(_))
-    val hasRequiredStatusProblem = needStatusCheck && branchProtection.contexts.exists(context => statuses.find(_.context == context).map(_.state) != Some(CommitState.SUCCESS))
-    val hasProblem = hasRequiredStatusProblem || hasConflict || (!statuses.isEmpty && CommitState.combine(statuses.map(_.state).toSet) != CommitState.SUCCESS)
-    val canUpdate = branchIsOutOfDate && !hasConflict
-    val canMerge = hasMergePermission && !hasConflict && !hasRequiredStatusProblem
-    lazy val commitStateSummary:(CommitState, String) = {
-      val stateMap = statuses.groupBy(_.state)
-      val state = CommitState.combine(stateMap.keySet)
-      val summary = stateMap.map{ case (keyState, states) => states.size+" "+keyState.name }.mkString(", ")
-      state -> summary
-    }
-    lazy val statusesAndRequired:List[(CommitStatus, Boolean)] = statuses.map{ s => s -> branchProtection.contexts.exists(_==s.context) }
-    lazy val isAllSuccess = commitStateSummary._1==CommitState.SUCCESS
-  }
-}
diff --git a/src/main/scala/gitbucket/core/service/PullRequestService.scala b/src/main/scala/gitbucket/core/service/PullRequestService.scala
index 8fb8521..b383139 100644
--- a/src/main/scala/gitbucket/core/service/PullRequestService.scala
+++ b/src/main/scala/gitbucket/core/service/PullRequestService.scala
@@ -145,4 +145,29 @@
 
   case class PullRequestCount(userName: String, count: Int)
 
+  case class MergeStatus(
+    hasConflict: Boolean,
+    commitStatues:List[CommitStatus],
+    branchProtection: ProtectedBrancheService.ProtectedBranchInfo,
+    branchIsOutOfDate: Boolean,
+    hasUpdatePermission: Boolean,
+    needStatusCheck: Boolean,
+    hasMergePermission: Boolean,
+    commitIdTo: String){
+
+    val statuses: List[CommitStatus] =
+      commitStatues ++ (branchProtection.contexts.toSet -- commitStatues.map(_.context).toSet).map(branchProtection.pendingCommitStatus(_))
+    val hasRequiredStatusProblem = needStatusCheck && branchProtection.contexts.exists(context => statuses.find(_.context == context).map(_.state) != Some(CommitState.SUCCESS))
+    val hasProblem = hasRequiredStatusProblem || hasConflict || (!statuses.isEmpty && CommitState.combine(statuses.map(_.state).toSet) != CommitState.SUCCESS)
+    val canUpdate = branchIsOutOfDate && !hasConflict
+    val canMerge = hasMergePermission && !hasConflict && !hasRequiredStatusProblem
+    lazy val commitStateSummary:(CommitState, String) = {
+      val stateMap = statuses.groupBy(_.state)
+      val state = CommitState.combine(stateMap.keySet)
+      val summary = stateMap.map{ case (keyState, states) => states.size+" "+keyState.name }.mkString(", ")
+      state -> summary
+    }
+    lazy val statusesAndRequired:List[(CommitStatus, Boolean)] = statuses.map{ s => s -> branchProtection.contexts.exists(_==s.context) }
+    lazy val isAllSuccess = commitStateSummary._1==CommitState.SUCCESS
+  }
 }
diff --git a/src/main/twirl/gitbucket/core/pulls/mergeguide.scala.html b/src/main/twirl/gitbucket/core/pulls/mergeguide.scala.html
index 9817d0a..ca6ed91 100644
--- a/src/main/twirl/gitbucket/core/pulls/mergeguide.scala.html
+++ b/src/main/twirl/gitbucket/core/pulls/mergeguide.scala.html
@@ -1,4 +1,4 @@
-@(status: gitbucket.core.controller.PullRequestsController.MergeStatus,
+@(status: gitbucket.core.service.PullRequestService.MergeStatus,
   issue: gitbucket.core.model.Issue,
   pullreq: gitbucket.core.model.PullRequest,
   originRepository: gitbucket.core.service.RepositoryService.RepositoryInfo,