diff --git a/module/bug/js/edit.js b/module/bug/js/edit.js
index b5895c0e65..2669cde048 100644
--- a/module/bug/js/edit.js
+++ b/module/bug/js/edit.js
@@ -1,6 +1,24 @@
 $(function()
 {
     loadModuleRelated();
+
+    resolution = $('#resolution').val();
+    if(resolution == 'fixed')
+    {
+        $('#resolvedBuildBox').change(function()
+        {
+            if($('#resolvedBuild').val() != oldResolvedBuild)
+            {
+                confirmResult = confirm(confirmUnlinkBuild);
+                if(!confirmResult)
+                {
+                    $('#resolvedBuild').val(oldResolvedBuild);
+                    $('#resolvedBuild').trigger("chosen:updated");
+                    $('#resolvedBuild').chosen();
+                }
+            }
+        });
+    }
 });
 
 /**
diff --git a/module/bug/lang/de.php b/module/bug/lang/de.php
index 87ad7cf382..117da8e767 100644
--- a/module/bug/lang/de.php
+++ b/module/bug/lang/de.php
@@ -181,6 +181,7 @@ $lang->bug->remindTask            = 'This Bug has been converted to Task. Do you
 $lang->bug->skipClose             = 'Bug %s is not resolved. You cannot close it.';
 $lang->bug->executionAccessDenied = "You access to the {$lang->executionCommon} to which this bug belongs is denied!";
 $lang->bug->stepsNotEmpty         = "The reproduction step cannot be empty.";
+$lang->bug->confirmUnlinkBuild    = "Replacing the solution version will disassociate the bug from the old version. Are you sure you want to disassociate the bug from %s?";
 
 /* 模板。*/
 $lang->bug->tplStep   = "<p>[Steps]</p><br/>";
diff --git a/module/bug/lang/en.php b/module/bug/lang/en.php
index 032b0d03dc..584b1c7d59 100644
--- a/module/bug/lang/en.php
+++ b/module/bug/lang/en.php
@@ -181,6 +181,7 @@ $lang->bug->remindTask            = 'This bug has been converted to a task. Do y
 $lang->bug->skipClose             = 'Bug %s is active. You cannot close it.';
 $lang->bug->executionAccessDenied = "You access to the {$lang->executionCommon} to which this bug belongs is denied!";
 $lang->bug->stepsNotEmpty         = "The reproduction step cannot be empty.";
+$lang->bug->confirmUnlinkBuild    = "Replacing the solution version will disassociate the bug from the old version. Are you sure you want to disassociate the bug from %s?";
 
 /* Template. */
 $lang->bug->tplStep   = "<p>[Steps]</p><br/>";
diff --git a/module/bug/lang/fr.php b/module/bug/lang/fr.php
index e2c9e65dc2..569a6f9480 100644
--- a/module/bug/lang/fr.php
+++ b/module/bug/lang/fr.php
@@ -181,6 +181,7 @@ $lang->bug->remindTask            = 'Ce bug a été converti en tâche. Voulez-v
 $lang->bug->skipClose             = 'Bug %s est actif. Vous ne pouvez pas le fermer.';
 $lang->bug->executionAccessDenied = "Votre accès à {$lang->executionCommon} auquel ce bug appartient est refusé !";
 $lang->bug->stepsNotEmpty         = "The reproduction step cannot be empty.";
+$lang->bug->confirmUnlinkBuild    = "Replacing the solution version will disassociate the bug from the old version. Are you sure you want to disassociate the bug from %s?";
 
 /* 模板。*/
 $lang->bug->tplStep   = "<p>[Etape]</p><br/>";
diff --git a/module/bug/lang/vi.php b/module/bug/lang/vi.php
index 8d7e8e026c..d2eeefbe24 100644
--- a/module/bug/lang/vi.php
+++ b/module/bug/lang/vi.php
@@ -181,6 +181,7 @@ $lang->bug->remindTask            = 'Bug này đã chuyển thành một nhiệm
 $lang->bug->skipClose             = 'Bug %s được kích hoạt. Bạn không thể đóng nó.';
 $lang->bug->executionAccessDenied = "Truy cập của bạn tới {$lang->executionCommon} mà Bug này sở hữu bị từ chối!";
 $lang->bug->stepsNotEmpty         = "The reproduction step cannot be empty.";
+$lang->bug->confirmUnlinkBuild    = "Replacing the solution version will disassociate the bug from the old version. Are you sure you want to disassociate the bug from %s?";
 
 /* Template. */
 $lang->bug->tplStep   = "<p>[Các bước]</p><br/>";
diff --git a/module/bug/lang/zh-cn.php b/module/bug/lang/zh-cn.php
index 7dfd1e848b..65fc2086d9 100644
--- a/module/bug/lang/zh-cn.php
+++ b/module/bug/lang/zh-cn.php
@@ -181,6 +181,7 @@ $lang->bug->remindTask            = '该Bug已经转化为任务，是否更新
 $lang->bug->skipClose             = 'Bug %s 不是已解决状态，不能关闭。';
 $lang->bug->executionAccessDenied = "您无权访问该Bug所属的{$lang->executionCommon}！";
 $lang->bug->stepsNotEmpty         = "重现步骤不能为空。";
+$lang->bug->confirmUnlinkBuild    = "更换解决版本将取消与旧版本的关联，您确定取消该bug与%s的关联吗？";
 
 /* 模板。*/
 $lang->bug->tplStep   = "<p>[步骤]</p><br/>";
diff --git a/module/bug/lang/zh-tw.php b/module/bug/lang/zh-tw.php
index 1d4da479e7..e84542e49d 100644
--- a/module/bug/lang/zh-tw.php
+++ b/module/bug/lang/zh-tw.php
@@ -181,6 +181,7 @@ $lang->bug->remindTask            = '該Bug已經轉化為任務，是否更新
 $lang->bug->skipClose             = 'Bug %s 不是已解決狀態，不能關閉。';
 $lang->bug->executionAccessDenied = "您無權訪問該Bug所屬的{$lang->executionCommon}！";
 $lang->bug->stepsNotEmpty         = "重現步驟不能為空。";
+$lang->bug->confirmUnlinkBuild    = "更換解决版本將取消與舊版本的關聯，您確定取消該bug與%s的關聯嗎？";
 
 /* 模板。*/
 $lang->bug->tplStep   = "<p>[步驟]</p><br/>";
diff --git a/module/bug/view/edit.html.php b/module/bug/view/edit.html.php
index f5b6844452..d32e64309d 100644
--- a/module/bug/view/edit.html.php
+++ b/module/bug/view/edit.html.php
@@ -25,6 +25,7 @@ js::set('oldTaskID'              , $bug->task);
 js::set('oldOpenedBuild'         , $bug->openedBuild);
 js::set('oldResolvedBuild'       , $bug->resolvedBuild);
 js::set('systemMode'             , $config->systemMode);
+js::set('confirmUnlinkBuild'     , sprintf($lang->bug->confirmUnlinkBuild, zget($resolvedBuilds, $bug->resolvedBuild)));
 ?>
 
 <div class='main-content' id='mainContent'>