diff --git a/module/upgrade/model.php b/module/upgrade/model.php
index 250fd9cfdd..3412c03ce6 100644
--- a/module/upgrade/model.php
+++ b/module/upgrade/model.php
@@ -584,6 +584,9 @@ class upgradeModel extends model
                     $this->execSQL($xuanxuanSql);
                 }
                 break;
+            case '18_0_beta2':
+                $this->updateMyBlocks();
+                break;
         }
 
         $this->deletePatch();
@@ -8010,4 +8013,53 @@ class upgradeModel extends model
         }
         return true;
     }
+
+    /**
+     * Update my module blocks.
+     *
+     * @access public
+     * @return bool
+     */
+    public function updateMyBlocks()
+    {
+        /* Delete flowchart block. */
+        $this->dao->delete()->from(TABLE_BLOCK)->where('module')->eq('my')->andWhere('block')->eq('flowchart')->exec();
+
+        /* Update block order and insert guide block. */
+        $visionList = array('rnd', 'lite');
+
+        /* Set guide block data. */
+        $guideBlock = new stdclass();
+        $guideBlock->module = 'my';
+        $guideBlock->title  = common::checkNotCN() ? 'Guides' : '使用帮助';
+        $guideBlock->block  = 'guide';
+        $guideBlock->order  = 3;
+        $guideBlock->grid   = 8;
+        foreach($visionList as $vision)
+        {
+            $guideBlock->vision = $vision;
+            $this->dao->update(TABLE_BLOCK)
+                ->set('`order` = `order` + 1')
+                ->where('vision')->eq($vision)
+                ->andWhere('module')->eq('my')
+                ->andWhere('`order`')->ge(3)
+                ->orderBy('`order` desc')
+                ->exec();
+
+            $accountList = $this->dao->select('account')->from(TABLE_BLOCK)
+                ->where('vision')->eq($vision)
+                ->andWhere('module')->eq('my')
+                ->fetchPairs('account');
+
+            foreach($accountList as $account)
+            {
+                if(empty($account)) continue;
+
+                $guideBlock->account = $account;
+                $this->dao->insert(TABLE_BLOCK)->data($guideBlock)->exec();
+            }
+        }
+
+        return true;
+    }
 }