调整Gauss数据库.

https://github.com/baomidou/mybatis-plus/issues/6705

mybatis-plus-annotation/src/main/java/com/baomidou/mybatisplus/annotation/DbType.java

@@ -91,7 +91,7 @@ public enum DbType {
     /**
      * Gauss
      */
-    GAUSS("zenith", "Gauss 数据库"),
+    GAUSS("gauss", "Gauss 数据库"),
     /**
      * ClickHouse
      */

mybatis-plus-extension/src/main/java/com/baomidou/mybatisplus/extension/toolkit/JdbcUtils.java

@@ -93,7 +93,7 @@ public class JdbcUtils {
             return DbType.KINGBASE_ES;
         } else if (url.contains(":phoenix:")) {
             return DbType.PHOENIX;
-        } else if (url.contains(":zenith:")) {
+        } else if (url.contains(":gaussdb:") || url.contains(":zenith:")) {
             return DbType.GAUSS;
         } else if (url.contains(":gbase:")) {
             return DbType.GBASE;