modif BasicKingBaseDataSourceFactory.JDBC_SCHEMA_TYPE_V8 to 'kingbase8'

Author: baisui1981

tis-datax/tis-datax-kingbase-plugin/src/main/java/com/qlangtech/tis/plugin/ds/kingbase/BasicKingBaseDataSourceFactory.java

@@ -57,7 +57,7 @@ public abstract class BasicKingBaseDataSourceFactory extends PGLikeDataSourceFac
     public static final String KingBase_Ver8 = "-V8.x";
     public static final String KingBase_Ver9 = "-V9.x";
     public static final String JDBC_SCHEMA_TYPE_V9 = "kingbase8";
-    public static final String JDBC_SCHEMA_TYPE_V8 = "kingbase";
+    public static final String JDBC_SCHEMA_TYPE_V8 = JDBC_SCHEMA_TYPE_V9;
     public static final String FIELD_DB_MODE = "dbMode";
     @FormField(ordinal = 8, validate = {Validator.require})
     public KingBaseCompatibleMode dbMode;