diff --git a/module/testtask/control.php b/module/testtask/control.php
index 1fcae3d374..fbb3322147 100644
--- a/module/testtask/control.php
+++ b/module/testtask/control.php
@@ -737,8 +737,10 @@ class testtask extends control
     {
         if(!empty($_POST))
         {
-            $this->testtask->linkCase($taskID, $type);
+            $runs = form::batchData($this->config->testtask->form->linkCase)->get();
+            $this->testtask->linkCase($taskID, $type, $runs);
             if(dao::isError()) return $this->send(array('result' => 'success', 'message' => dao::getError()));
+
             return $this->send(array('result' => 'success', 'message' => $this->lang->saveSuccess, 'load' => inlink('cases', "taskID={$taskID}")));
         }
 
diff --git a/module/testtask/js/linkcase.ui.js b/module/testtask/js/linkcase.ui.js
index 71e484365a..b8507ab15b 100644
--- a/module/testtask/js/linkcase.ui.js
+++ b/module/testtask/js/linkcase.ui.js
@@ -8,8 +8,8 @@ $(document).off('click', '.batch-btn').on('click', '.batch-btn', function()
     const form = new FormData();
     checkedList.forEach((id) =>
     {
-        form.append('cases[]', id);
-        form.append('versions[' + id + ']', $('#versions' + id).val());
+        form.append('case[]', id);
+        form.append('version[]', $('#version' + id).val());
     });
 
     if($(this).hasClass('ajax-btn'))
@@ -48,7 +48,7 @@ window.renderCell = function(result, info)
     if(info.col.name == 'version' && result[0])
     {
         const testcase = info.row.data;
-        let html = "<select name='versions[" + testcase.id + "]' id='versions" + testcase.id + "' class='form-control' style='width:60px'>";
+        let html = "<select name='version[" + testcase.id + "]' id='version" + testcase.id + "' class='form-control' style='width:60px'>";
         for(i = 1; i <= testcase.version; i++)
         {
             html += "<option value='" + i + "'>" + i + "</option>";
diff --git a/module/testtask/model.php b/module/testtask/model.php
index 6ccec49dbb..4a67fd2499 100755
--- a/module/testtask/model.php
+++ b/module/testtask/model.php
@@ -792,30 +792,27 @@ class testtaskModel extends model
      *
      * @param  int    $taskID
      * @param  string $type
+     * @param  array  $runs
      * @access public
      * @return bool
      */
-    public function linkCase(int $taskID, string $type, array $cases): bool
+    public function linkCase(int $taskID, string $type, array $runs): bool
     {
-        if(!$cases) return false;
+        if(!$runs) return false;
 
-        $postData = fixer::input('post')->get();
-
-        $users = array();
-        if($type == 'build' && !empty($postData)) $users = $this->dao->select('`case`, assignedTo')->from(TABLE_TESTRUN)->where('`case`')->in($postData)->fetchPairs();
-
-        $run = new stdclass();
-        $run->task   = $taskID;
-        $run->status = 'normal';
+        $users      = array();
+        $caseIdList = array_unique(array_filter(array_map(function($run){return $run->case;}, $runs)));
+        if($type == 'build' && $caseIdList) $users = $this->dao->select('`case`, assignedTo')->from(TABLE_TESTRUN)->where('`case`')->in($caseIdList)->fetchPairs();
 
         $case = new stdclass();
         $case->product = $this->session->product;
         $case->version = 1;
-        foreach($cases as $caseID)
+
+        foreach($runs as $run)
         {
-            $run->case       = $caseID;
-            $run->version    = $postData->versions[$caseID];
-            $run->assignedTo = zget($users, $caseID, '');
+            $run->task       = $taskID;
+            $run->status     = 'normal';
+            $run->assignedTo = zget($users, $run->case, '');
             $this->dao->replace(TABLE_TESTRUN)->data($run)->exec();
 
             /* 在项目或执行下关联用例到测试单时把用例关联到项目或执行。*/
@@ -826,11 +823,12 @@ class testtaskModel extends model
                 $lastOrder = $this->dao->select('MAX(`order`) AS order')->from(TABLE_PROJECTCASE)->where('project')->eq($projectID)->fetch('order');
 
                 $case->project = $projectID;
-                $case->case    = $caseID;
+                $case->case    = $run->case;
                 $case->order   = ++$lastOrder;
                 $this->dao->replace(TABLE_PROJECTCASE)->data($case)->exec();
             }
-            $this->loadModel('action')->create('case', $caseID, 'linked2testtask', '', $taskID);
+
+            $this->loadModel('action')->create('case', $run->case, 'linked2testtask', '', $taskID);
         }
 
         return !dao::isError();