diff --git a/module/bug/lang/en.php b/module/bug/lang/en.php
index e03a369725..532283982c 100644
--- a/module/bug/lang/en.php
+++ b/module/bug/lang/en.php
@@ -38,35 +38,35 @@ $lang->bug->toTask           = 'Convert to Task';
 $lang->bug->toStory          = 'Convert to Story';
 $lang->bug->mailto           = 'Mailto';
 $lang->bug->openedBy         = 'ReportedBy';
-$lang->bug->openedDate       = 'Reported';
-$lang->bug->openedDateAB     = 'Reported';
+$lang->bug->openedDate       = 'ReportedDate';
+$lang->bug->openedDateAB     = 'ReportedOn';
 $lang->bug->openedBuild      = 'Open Build';
 $lang->bug->assignedTo       = 'AssignedTo';
 $lang->bug->assignBug        = 'AssignedTo';
-$lang->bug->assignedToAB     = 'To';
-$lang->bug->assignedDate     = 'Assigned';
+$lang->bug->assignedToAB     = 'AssignedTo';
+$lang->bug->assignedDate     = 'AssignedDate';
 $lang->bug->resolvedBy       = 'SolvedBy';
-$lang->bug->resolvedByAB     = 'Solved';
+$lang->bug->resolvedByAB     = 'SolvedBy';
 $lang->bug->resolution       = 'Solution';
 $lang->bug->resolutionAB     = 'Solution';
 $lang->bug->resolvedBuild    = 'Solved Build';
-$lang->bug->resolvedDate     = 'Solved Date';
+$lang->bug->resolvedDate     = 'SolvedDate';
 $lang->bug->resolvedDateAB   = 'Solved';
 $lang->bug->deadline         = 'Deadline';
 $lang->bug->plan             = 'Plan';
 $lang->bug->closedBy         = 'ClosedBy';
-$lang->bug->closedDate       = 'Closed';
+$lang->bug->closedDate       = 'ClosedDate';
 $lang->bug->duplicateBug     = 'Duplicated Bug ID';
 $lang->bug->lastEditedBy     = 'ModifiedBy';
-$lang->bug->linkBug          = 'Linked Bug';
+$lang->bug->linkBug          = 'Linked Bugs';
 $lang->bug->linkBugs         = 'Link Bug';
 $lang->bug->unlinkBug        = 'Unlink';
-$lang->bug->case             = 'Case';
+$lang->bug->case             = 'Cases';
 $lang->bug->files            = 'Files';
 $lang->bug->keywords         = 'Tags';
 $lang->bug->lastEditedByAB   = 'EditedBy';
-$lang->bug->lastEditedDateAB = 'Edited';
-$lang->bug->lastEditedDate   = 'Edited';
+$lang->bug->lastEditedDateAB = 'EditedOn';
+$lang->bug->lastEditedDate   = 'EditedDate';
 $lang->bug->fromCase         = 'From Case';
 $lang->bug->toCase           = 'To Case';
 $lang->bug->colorTag         = 'Color';
@@ -74,7 +74,7 @@ $lang->bug->colorTag         = 'Color';
 /* 方法列表。*/
 $lang->bug->index              = 'Home';
 $lang->bug->create             = 'Report Bug';
-$lang->bug->batchCreate        = 'Batch Report Bug';
+$lang->bug->batchCreate        = 'Batch Report Bugs';
 $lang->bug->confirmBug         = 'Confirm';
 $lang->bug->batchConfirm       = 'Batch Confirm';
 $lang->bug->edit               = 'Edit';
@@ -157,10 +157,10 @@ $lang->bug->legendRelated               = 'Related Info';
 $lang->bug->buttonConfirm = 'Confirm';
 
 /* 交互提示。*/
-$lang->bug->summary               = "Bugs on this page: Total <strong>%s</strong>, Unsolved <strong>%s</strong>.";
-$lang->bug->confirmChangeProduct  = "Any change to {$lang->productCommon} will cause linked {$lang->projectCommon}s, Stories and Tasks change. Do you want to do this?";
+$lang->bug->summary               = "Total <strong>%s</strong> bugs on this page, and <strong>%s</strong> unsolved.";
+$lang->bug->confirmChangeProduct  = "Any change to {$lang->productCommon} will cause linked {$lang->projectCommon}s, stories and tasks change. Do you want to do this?";
 $lang->bug->confirmDelete         = 'Do you want to delete this bug?';
-$lang->bug->remindTask            = 'This Bug has been converted to Task. Do you want to update the Status of Task(ID %s)?';
+$lang->bug->remindTask            = 'This bug has been converted to a task. Do you want to update the status of Task(ID %s)?';
 $lang->bug->skipClose             = 'Bug %s is not solved. You cannot close it.';
 
 /* 模板。*/
diff --git a/module/story/lang/en.php b/module/story/lang/en.php
index ca4a66bfb0..191ada9694 100644
--- a/module/story/lang/en.php
+++ b/module/story/lang/en.php
@@ -196,10 +196,10 @@ $lang->story->specTemplate          = "As a < type of user >, I want < some goal
 $lang->story->needNotReview         = 'No Review Required';
 $lang->story->successSaved          = "Story is saved!";
 $lang->story->confirmDelete         = "Do you want to delete this Story?";
-$lang->story->errorEmptyChildStory  = '『Decompose Story』canot be blank.';
+$lang->story->errorEmptyChildStory  = '『Decomposed Story』canot be blank.';
 $lang->story->mustChooseResult      = 'Select Result';
 $lang->story->mustChoosePreVersion  = 'Select a version to revert to.';
-$lang->story->noStory               = 'No stories. ';
+$lang->story->noStory               = 'No stories yet. ';
 $lang->story->ignoreChangeStage     = 'Story %s is a draft. Please review it..';
 
 $lang->story->form = new stdclass();
diff --git a/module/testcase/lang/en.php b/module/testcase/lang/en.php
index aed8ad0e95..cbaf3bbe6e 100644
--- a/module/testcase/lang/en.php
+++ b/module/testcase/lang/en.php
@@ -61,7 +61,7 @@ $lang->testcase->results          = 'Result';
 $lang->testcase->resultsAB        = 'R';
 $lang->testcase->stepNumber       = 'Steps';
 $lang->testcase->stepNumberAB     = 'S';
-$lang->testcase->createBug        = 'Convert to Bug';
+$lang->testcase->createBug        = 'Create Bug';
 $lang->testcase->fromModule       = 'Source Module';
 $lang->testcase->fromCase         = 'Source Case';
 $lang->testcase->sync             = 'Sync. Case';
@@ -136,11 +136,11 @@ $lang->testcase->lblStatusValue = 'Status Value';
 
 $lang->testcase->legendBasicInfo    = 'Basic Info';
 $lang->testcase->legendAttatch      = 'Files';
-$lang->testcase->legendLinkBugs     = 'Bug';
+$lang->testcase->legendLinkBugs     = 'Bugs';
 $lang->testcase->legendOpenAndEdit  = 'Create/Edit';
 $lang->testcase->legendComment      = 'Comment';
 
-$lang->testcase->summary            = "Cases on this page : Total <strong>%s</strong>, Run <strong>%s</strong>.";
+$lang->testcase->summary            = "Total <strong>%s</strong> cases on this page, and <strong>%s</strong> cases run.";
 $lang->testcase->confirmDelete      = 'Do you want to delete this case?';
 $lang->testcase->confirmBatchDelete = 'Do you want to batch delete cases?';
 $lang->testcase->ditto              = 'Ditto';
@@ -202,7 +202,7 @@ $lang->testcase->searchStories = 'Enter to search for stories';
 $lang->testcase->selectLib     = 'Select Library';
 
 $lang->testcase->action = new stdclass();
-$lang->testcase->action->fromlib  = array('main' => '$date, imported by <strong>$actor</strong> from Library <strong>$extra</strong>.');
+$lang->testcase->action->fromlib  = array('main' => '$date, imported by <strong>$actor</strong> from <strong>$extra</strong>.');
 $lang->testcase->action->reviewed = array('main' => '$date, recorded by <strong>$actor</strong> and the review result is <strong>$extra</strong>.', 'extra' => 'reviewResultList');
 
 $lang->testcase->featureBar['browse']['all']         = $lang->testcase->allCases;
diff --git a/module/testreport/lang/en.php b/module/testreport/lang/en.php
index 3db25ce126..5f91e73c47 100644
--- a/module/testreport/lang/en.php
+++ b/module/testreport/lang/en.php
@@ -19,8 +19,8 @@ $lang->testreport->owner       = 'Owner';
 $lang->testreport->members     = 'Members';
 $lang->testreport->begin       = 'Begin';
 $lang->testreport->end         = 'End';
-$lang->testreport->stories     = 'Test Story';
-$lang->testreport->bugs        = 'Test Bug';
+$lang->testreport->stories     = 'Story Tested';
+$lang->testreport->bugs        = 'Bug Tested';
 $lang->testreport->builds      = 'Build Info';
 $lang->testreport->goal        = 'Project Goal';
 $lang->testreport->cases       = 'Case';
@@ -39,7 +39,7 @@ $lang->testreport->legendBasic       = 'Basic Info.';
 $lang->testreport->legendStoryAndBug = 'Story&Bug';
 $lang->testreport->legendBuild       = 'Build Info';
 $lang->testreport->legendCase        = 'Linked Case';
-$lang->testreport->legendLegacyBugs  = 'Legacy Bug';
+$lang->testreport->legendLegacyBugs  = 'Left Bugs';
 $lang->testreport->legendReport      = 'Report';
 $lang->testreport->legendComment     = 'Summary';
 $lang->testreport->legendMore        = 'More';
@@ -51,12 +51,12 @@ $lang->testreport->bugOpenedByGroups   = 'Bug ReportedBy Distribution';
 $lang->testreport->bugResolvedByGroups = 'Bug SolvedBy Distribution';
 $lang->testreport->bugResolutionGroups = 'Bug Solution Distribution';
 $lang->testreport->bugModuleGroups     = 'Bug Module Distribution';
-$lang->testreport->legacyBugs          = 'Legacy Bugs';
+$lang->testreport->legacyBugs          = 'Left Bugs';
 $lang->testreport->bugConfirmedRate    = 'Confirmed Bug Rate (Solution is fixed or postponed / status is solved or closed)';
 $lang->testreport->bugCreateByCaseRate = 'Bug Generated in Case Rate (Bugs reported in cases / New added bugs)';
 
-$lang->testreport->caseSummary    = 'Total  <strong>%s</strong> cases: <strong>%s</strong> performed, <strong>%s</strong> results, <strong>%s</strong> failed.';
-$lang->testreport->buildSummary   = 'Tested <strong>%s</strong> build.';
+$lang->testreport->caseSummary    = 'Total <strong>%s</strong> cases, <strong>%s</strong> cases run , <strong>%s</strong> results generated, and <strong>%s</strong> cases failed.';
+$lang->testreport->buildSummary   = 'Tested <strong>%s</strong> builds.';
 $lang->testreport->confirmDelete  = 'Do you want to delete this report?';
 $lang->testreport->moreNotice     = 'More features can be extended with reference to the ZenTao extension manual, or you can contact us at renee@easysoft.ltd for customization.';
 $lang->testreport->exportNotice   = "Exported By <a href='https://www.zentao.net' target='_blank' style='color:grey'>ZenTao</a>";
@@ -65,11 +65,11 @@ $lang->testreport->foundBugTip    = "Bugs generated in this build and generated
 $lang->testreport->legacyBugTip   = "Active bugs, or the solved bugs that are not in the test period.";
 $lang->testreport->fromCaseBugTip = "Bugs generated due to the failed case run in the test period.";
 $lang->testreport->errorTrunk     = "You cannot create a Test report for the trunk. Please modify the linked build!";
-$lang->testreport->moreProduct    = "Test reports can only be generated for the same product.";
+$lang->testreport->moreProduct    = "Testing reports can only be generated for the same product.";
 
 $lang->testreport->bugSummary = <<<EOD
-<strong>%s</strong> Bug(s) reported in total <a data-toggle='tooltip' class='text-warning' title='{$lang->testreport->foundBugTip}'><i class='icon-help'></i></a>,
-<strong>%s</strong> Bug(s) remained unsolved <a data-toggle='tooltip' class='text-warning' title='{$lang->testreport->legacyBugTip}'><i class='icon-help'></i></a>,
-<strong>%s</strong> Bug(s) generated due to the failure of case executions <a data-toggle='tooltip' class='text-warning' title='{$lang->testreport->fromCaseBugTip}'><i class='icon-help'></i></a>.
+Total <strong>%s</strong> Bugs reported <a data-toggle='tooltip' class='text-warning' title='{$lang->testreport->foundBugTip}'><i class='icon-help'></i></a>,
+<strong>%s</strong> Bugs remained unsolved <a data-toggle='tooltip' class='text-warning' title='{$lang->testreport->legacyBugTip}'><i class='icon-help'></i></a>,
+<strong>%s</strong> Bugs generated due to the failure of case run <a data-toggle='tooltip' class='text-warning' title='{$lang->testreport->fromCaseBugTip}'><i class='icon-help'></i></a>.
 Bug Effective Rate <a data-toggle='tooltip' class='text-warning' title='Solution is solved or delayed / status is solved or closed'><i class='icon-help'></i></a>: <strong>%s</strong>，Bugs reported from case rate<a data-toggle='tooltip' class='text-warning' title='Bugs created from cases / bugs'><i class='icon-help'></i></a>: <strong>%s</strong>
 EOD;