docs: upgrate v0.5.1 doc (#1265)

docs/docs/upgrade/v0.5.1.md

@@ -0,0 +1,30 @@
+# Upgrade To v0.5.1
+
+## Overview
+
+This guide is for upgrading from v0.5.0 to v0.5.1. If you use SQLite,
+you not need to upgrade the database. If you use MySQL, you need to upgrade the database.
+
+## Prepare
+
+### Backup Your Database
+
+To prevent data loss, it is recommended to back up your database before upgrading.
+The backup way according to your database type.
+
+## Upgrade
+
+### Stop DB-GPT Service
+
+Stop the DB-GPT service according to your start way.
+
+### Upgrade Database
+
+Execute the following SQL to upgrade the database.
+
+**Add Columns**
+```sql
+USE dbgpt;
+ALTER TABLE  dbgpt_serve_flow
+    ADD COLUMN `error_message` varchar(512) null comment 'Error message' after `state`;
+```

docs/sidebars.js

@@ -470,6 +470,9 @@ const sidebars = {
         {
           type: 'doc',
           id: 'upgrade/v0.5.0',
+        }, {
+          type: 'doc',
+          id: 'upgrade/v0.5.1',
         },
       ],
     },