diff --git a/docs/zh/base/db-row.md b/docs/zh/base/db-row.md
index fa785089..d32cf378 100644
--- a/docs/zh/base/db-row.md
+++ b/docs/zh/base/db-row.md
@@ -27,6 +27,9 @@ String listsql = "select * from tb_account where age > ?"
 List<Row> rows = Db.selectListBySql(listsql,18);
 
 
+//查询所有大于 18 岁用户的Id和用户名对应的Map
+Map map = Db.selectFirstAndSecondColumnsAsMap("select id,user_name from tb_account where age >?",18);
+
 //分页查询：每页 10 条数据，查询第 3 页的年龄大于 18 的用户
 QueryWrapper query=QueryWrapper.create()
     .where(ACCOUNT.AGE.ge(18));
diff --git a/mybatis-flex-core/src/main/java/com/mybatisflex/core/mybatis/FlexDefaultResultSetHandler.java b/mybatis-flex-core/src/main/java/com/mybatisflex/core/mybatis/FlexDefaultResultSetHandler.java
index 09df6eb1..d12353a5 100644
--- a/mybatis-flex-core/src/main/java/com/mybatisflex/core/mybatis/FlexDefaultResultSetHandler.java
+++ b/mybatis-flex-core/src/main/java/com/mybatisflex/core/mybatis/FlexDefaultResultSetHandler.java
@@ -290,7 +290,7 @@ public class FlexDefaultResultSetHandler extends DefaultResultSetHandler {
             if (parentMapping != null) {
                 handleRowValues(rsw, resultMap, null, RowBounds.DEFAULT, parentMapping);
             } else if (resultHandler == null) {
-                if(resultMap.getId().startsWith("com.mybatisflex.core.row.RowMapper.selectMap")){
+                if(resultMap.getId().startsWith("com.mybatisflex.core.row.RowMapper.selectFirstAndSecondColumnsAsMap")){
                     ResultSet resultSet = rsw.getResultSet();
                     skipRows(resultSet, rowBounds);
                     Map<Object,Object> row = new HashMap<>();
diff --git a/mybatis-flex-core/src/main/java/com/mybatisflex/core/row/Db.java b/mybatis-flex-core/src/main/java/com/mybatisflex/core/row/Db.java
index 688f831c..4cab02bc 100644
--- a/mybatis-flex-core/src/main/java/com/mybatisflex/core/row/Db.java
+++ b/mybatis-flex-core/src/main/java/com/mybatisflex/core/row/Db.java
@@ -860,8 +860,8 @@ public class Db {
      * @param queryWrapper query 封装
      * @return 数据内容
      */
-    public static Map selectMap(QueryWrapper queryWrapper) {
-        return invoker().selectMapByQuery(null, null, queryWrapper);
+    public static Map selectFirstAndSecondColumnsAsMap(QueryWrapper queryWrapper) {
+        return invoker().selectFirstAndSecondColumnsAsMapByQuery(null, null, queryWrapper);
     }
 
     /**
@@ -870,8 +870,8 @@ public class Db {
      * @param sql  sql 内容
      * @param args sql 参数
      */
-    public static Map selectMap(String sql, Object... args) {
-        return invoker().selectMap(sql, args);
+    public static Map selectFirstAndSecondColumnsAsMap(String sql, Object... args) {
+        return invoker().selectFirstAndSecondColumnsAsMap(sql, args);
     }
 
     /**
@@ -882,8 +882,8 @@ public class Db {
      * @param queryWrapper query 封装
      * @return 数据内容
      */
-    public static Map selectMap(String schema, String tableName, QueryWrapper queryWrapper) {
-        return invoker().selectMapByQuery(schema, tableName, queryWrapper);
+    public static Map selectFirstAndSecondColumnsAsMap(String schema, String tableName, QueryWrapper queryWrapper) {
+        return invoker().selectFirstAndSecondColumnsAsMapByQuery(schema, tableName, queryWrapper);
     }
 
     /**
@@ -893,8 +893,8 @@ public class Db {
      * @param queryWrapper query 封装
      * @return 数据内容
      */
-    public static Map selectMap(String tableName, QueryWrapper queryWrapper) {
-        return invoker().selectMapByQuery(null, tableName, queryWrapper);
+    public static Map selectFirstAndSecondColumnsAsMap(String tableName, QueryWrapper queryWrapper) {
+        return invoker().selectFirstAndSecondColumnsAsMapByQuery(null, tableName, queryWrapper);
     }
 
     /**
diff --git a/mybatis-flex-core/src/main/java/com/mybatisflex/core/row/RowMapper.java b/mybatis-flex-core/src/main/java/com/mybatisflex/core/row/RowMapper.java
index bfa1bf6c..7bbad179 100644
--- a/mybatis-flex-core/src/main/java/com/mybatisflex/core/row/RowMapper.java
+++ b/mybatis-flex-core/src/main/java/com/mybatisflex/core/row/RowMapper.java
@@ -328,10 +328,10 @@ public interface RowMapper {
 
 
     @SelectProvider(value = RowSqlProvider.class, method = RowSqlProvider.METHOD_RAW_SQL)
-    Map selectMap(@Param(FlexConsts.SQL) String sql, @Param(FlexConsts.SQL_ARGS) Object... args);
+    Map selectFirstAndSecondColumnsAsMap(@Param(FlexConsts.SQL) String sql, @Param(FlexConsts.SQL_ARGS) Object... args);
 
     @SelectProvider(type = RowSqlProvider.class, method = "selectListByQuery")
-    Map selectMapByQuery(@Param(FlexConsts.SCHEMA_NAME) String schema
+    Map selectFirstAndSecondColumnsAsMapByQuery(@Param(FlexConsts.SCHEMA_NAME) String schema
         , @Param(FlexConsts.TABLE_NAME) String tableName, @Param(FlexConsts.QUERY) QueryWrapper queryWrapper);
     /**
      * 通过 sql 查询多行数据，sql 执行的结果应该只有 1 列
@@ -459,4 +459,5 @@ public interface RowMapper {
 
     }
 
+
 }
diff --git a/mybatis-flex-core/src/main/java/com/mybatisflex/core/row/RowMapperInvoker.java b/mybatis-flex-core/src/main/java/com/mybatisflex/core/row/RowMapperInvoker.java
index b67842b7..9a7e77ab 100644
--- a/mybatis-flex-core/src/main/java/com/mybatisflex/core/row/RowMapperInvoker.java
+++ b/mybatis-flex-core/src/main/java/com/mybatisflex/core/row/RowMapperInvoker.java
@@ -189,11 +189,11 @@ public class RowMapperInvoker {
     public List<Row> selectAll(String schema, String tableName) {
         return execute(mapper -> mapper.selectAll(schema, tableName));
     }
-    public Map selectMapByQuery(String schema, String tableName, QueryWrapper queryWrapper) {
-        return execute(mapper -> mapper.selectMapByQuery(schema, tableName, queryWrapper));
+    public Map selectFirstAndSecondColumnsAsMapByQuery(String schema, String tableName, QueryWrapper queryWrapper) {
+        return execute(mapper -> mapper.selectFirstAndSecondColumnsAsMapByQuery(schema, tableName, queryWrapper));
     }
-    public Map selectMap(String sql, Object... args) {
-        return execute(mapper -> mapper.selectMap(sql, args));
+    public Map selectFirstAndSecondColumnsAsMap(String sql, Object... args) {
+        return execute(mapper -> mapper.selectFirstAndSecondColumnsAsMap(sql, args));
     }
     public Object selectObjectByQuery(String schema, String tableName, QueryWrapper queryWrapper) {
         return execute(mapper -> mapper.selectObjectByQuery(schema, tableName, queryWrapper));
diff --git a/mybatis-flex-test/mybatis-flex-native-test/src/main/java/com/mybatisflex/test/DbTest.java b/mybatis-flex-test/mybatis-flex-native-test/src/main/java/com/mybatisflex/test/DbTest.java
index bd270e9c..d06aec07 100644
--- a/mybatis-flex-test/mybatis-flex-native-test/src/main/java/com/mybatisflex/test/DbTest.java
+++ b/mybatis-flex-test/mybatis-flex-native-test/src/main/java/com/mybatisflex/test/DbTest.java
@@ -74,8 +74,8 @@ public class DbTest {
 
     @Test
     public void test02() {
-        Map map = Db.selectMap(QueryWrapper.create().from(tb_account));
-        Map map2 = Db.selectMap("select * from tb_account");
+        Map map = Db.selectFirstAndSecondColumnsAsMap(QueryWrapper.create().from(tb_account));
+        Map map2 = Db.selectFirstAndSecondColumnsAsMap("select * from tb_account");
         System.out.println(map);
         System.out.println(map2);
         Assert.assertEquals(map,map2);