diff --git a/module/upgrade/model.php b/module/upgrade/model.php
index ba9e7c3f5f..1689c2e196 100644
--- a/module/upgrade/model.php
+++ b/module/upgrade/model.php
@@ -679,6 +679,7 @@ class upgradeModel extends model
                 $this->processCreatedBy();
                 $this->updateApproval();
                 $this->addDefaultRuleToWorkflow();
+                $this->processReviewLinkages();
                 $this->addFlowActions('biz7.3');
                 $this->addFlowFields('biz7.3');
                 break;
@@ -6981,4 +6982,39 @@ class upgradeModel extends model
 
         return !dao::isError();
     }
+
+    /**
+     * Process review linkages of approval.
+     *
+     * @access public
+     * @return bool
+     */
+    public function processReviewLinkages()
+    {
+        $linkagePairs = $this->dao->select('id, linkages')->from(TABLE_WORKFLOWACTION)->where('action')->eq('approvalreview')->andWhere('role')->eq('approval')->fetchPairs();
+
+        $oldLinkages = array();
+        $oldLinkages[0]['sources'][0]['field']    = 'reviewResult';
+        $oldLinkages[0]['sources'][0]['operator'] = '==';
+        $oldLinkages[0]['sources'][0]['value']    = 'reject';
+        $oldLinkages[0]['targets'][0]['field']    = 'reviewOpinion';
+        $oldLinkages[0]['targets'][0]['status']   = 'show';
+
+        $newLinkages = array();
+        $newLinkages[0]['sources'][0]['field']    = 'reviewResult';
+        $newLinkages[0]['sources'][0]['operator'] = '==';
+        $newLinkages[0]['sources'][0]['value']    = 'pass';
+        $newLinkages[0]['targets'][0]['field']    = 'reviewOpinion';
+        $newLinkages[0]['targets'][0]['status']   = 'hide';
+
+        foreach($linkagePairs as $id => $linkages)
+        {
+            if(helper::jsonEncode($oldLinkages) == $linkages)
+            {
+                $this->dao->update(TABLE_WORKFLOWACTION)->set('linkages')->eq(helper::jsonEncode($newLinkages))->where('id')->eq($id)->exec();
+            }
+        }
+
+        return !dao::isError();
+    }
 }