diff --git a/mars-jdbc/mars-jdbc-base/src/main/java/com/mars/jdbc/base/BaseBuilderSql.java b/mars-jdbc/mars-jdbc-base/src/main/java/com/mars/jdbc/base/BaseBuilderSql.java
deleted file mode 100644
index d088001..0000000
--- a/mars-jdbc/mars-jdbc-base/src/main/java/com/mars/jdbc/base/BaseBuilderSql.java
+++ /dev/null
@@ -1,4 +0,0 @@
-package com.mars.jdbc.base;
-
-public class BaseBuilderSql {
-}
diff --git a/mars-jdbc/mars-jdbc-base/src/main/java/com/mars/jdbc/enums/SqlEnums.java b/mars-jdbc/mars-jdbc-base/src/main/java/com/mars/jdbc/enums/SqlEnums.java
deleted file mode 100644
index bf6189a..0000000
--- a/mars-jdbc/mars-jdbc-base/src/main/java/com/mars/jdbc/enums/SqlEnums.java
+++ /dev/null
@@ -1,29 +0,0 @@
-package com.mars.jdbc.enums;
-
-/**
- * sql类型
- */
-public enum SqlEnums {
-
-    MYSQL("mysql"),ORACLE("oracle");
-
-    private String code;
-
-    SqlEnums(String code){
-        this.code = code;
-    }
-
-    /**
-     * 根据code获取枚举
-     * @param code
-     * @return
-     */
-    public SqlEnums getByCode(String code){
-        for(SqlEnums sqlEnums : this.values()){
-            if(sqlEnums.code.equals(code)){
-                return sqlEnums;
-            }
-        }
-        return MYSQL;
-    }
-}
diff --git a/mars-jdbc/mars-jdbc-base/src/main/java/com/mars/jdbc/factory/SqlFactory.java b/mars-jdbc/mars-jdbc-base/src/main/java/com/mars/jdbc/factory/SqlFactory.java
deleted file mode 100644
index feb8786..0000000
--- a/mars-jdbc/mars-jdbc-base/src/main/java/com/mars/jdbc/factory/SqlFactory.java
+++ /dev/null
@@ -1,27 +0,0 @@
-package com.mars.jdbc.factory;
-
-import com.mars.jdbc.base.BaseSql;
-import com.mars.jdbc.enums.SqlEnums;
-import com.mars.jdbc.sql.MySql;
-import com.mars.jdbc.sql.Oracle;
-
-/**
- * sql工厂
- */
-public class SqlFactory {
-
-    /**
-     * 获取sql对象
-     * @param sqlEnums
-     * @return
-     */
-    public static BaseSql getSqlObject(SqlEnums sqlEnums){
-        switch (sqlEnums){
-            case MYSQL:
-                return new MySql();
-            case ORACLE:
-                return  new Oracle();
-        }
-        return null;
-    }
-}
diff --git a/mars-jdbc/mars-jdbc-base/src/main/java/com/mars/jdbc/sql/MySql.java b/mars-jdbc/mars-jdbc-base/src/main/java/com/mars/jdbc/sql/MySql.java
deleted file mode 100644
index 0f5bd76..0000000
--- a/mars-jdbc/mars-jdbc-base/src/main/java/com/mars/jdbc/sql/MySql.java
+++ /dev/null
@@ -1,27 +0,0 @@
-package com.mars.jdbc.sql;
-
-import com.mars.jdbc.base.BaseSql;
-
-public class MySql extends BaseSql {
-
-    /**
-     * 查询所有表名
-     * @param dbName
-     * @return
-     */
-    @Override
-    public String getTableNames(String dbName) {
-        return "select table_name from information_schema.tables where table_schema='"+dbName+"' and table_type='base table'";
-    }
-
-    /**
-     * 查询所有列名
-     * @param dbName
-     * @param tableName
-     * @return
-     */
-    @Override
-    public String getTableCloums(String dbName,String tableName) {
-        return "select column_name from information_schema.columns where table_schema='"+dbName+"' and table_name='"+tableName+"'";
-    }
-}
diff --git a/mars-jdbc/mars-jdbc-base/src/main/java/com/mars/jdbc/sql/Oracle.java b/mars-jdbc/mars-jdbc-base/src/main/java/com/mars/jdbc/sql/Oracle.java
deleted file mode 100644
index b9dabf7..0000000
--- a/mars-jdbc/mars-jdbc-base/src/main/java/com/mars/jdbc/sql/Oracle.java
+++ /dev/null
@@ -1,27 +0,0 @@
-package com.mars.jdbc.sql;
-
-import com.mars.jdbc.base.BaseSql;
-
-public class Oracle extends BaseSql {
-
-    /**
-     * 查询所有表名
-     * @param dbName
-     * @return
-     */
-    @Override
-    public String getTableNames(String dbName) {
-        return "select * from user_tab_comments";
-    }
-
-    /**
-     * 查询所有列名
-     * @param dbName
-     * @param tableName
-     * @return
-     */
-    @Override
-    public String getTableCloums(String dbName, String tableName) {
-        return "select  *  from user_col_comments  where Table_Name='"+tableName+"'";
-    }
-}