Update README

Update README

Author: tivenwang

README.md

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 # AlibabaCloud DMS MCP Server
 
-**AI-powered unified data management gateway** that supports connection to over 30+ data sources, serving as a multi-cloud universal data MCP Server to address cross-source data secure access in one-stop solution.
+**AI-powered unified data management gateway** that supports connection to over 40+ data sources, serving as a multi-cloud universal data MCP Server to address cross-source data secure access in one-stop solution.
 
 - Supports full Alibaba Cloud series: RDS, PolarDB, ADB series, Lindorm series, TableStore series, MaxCompute series.
 - Supports mainstream databases/warehouses: MySQL, MariaDB, PostgreSQL, Oracle, SQLServer, Redis, MongoDB, StarRocks, Clickhouse, SelectDB, DB2, OceanBase, Gauss, BigQuery, etc.

doc/README-zh-cn.md

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 # AlibabaCloud DMS MCP Server
 
-**AI 首选的统一数据管理网关，支持30多种数据源**连接的多云通用数据MCP Server，一站式解决**跨源数据安全访问**。
+**AI 首选的统一数据管理网关，支持40多种数据源**连接的多云通用数据MCP Server，一站式解决**跨源数据安全访问**。
 
 - 支持阿里云全系：RDS、PolarDB、ADB系列、Lindorm系列、TableStore系列、Maxcompute系列。
 - 支持主流数据库/数仓：MySQL、MariaDB、PostgreSQL、Oracle、SQLServer、Redis、MongoDB、StarRocks、Clickhouse、SelectDB、DB2、OceanBase、Gauss、BigQuery等。