diff --git a/mybatis-flex-core/src/test/java/com/mybatisflex/test/Account.java b/mybatis-flex-core/src/test/java/com/mybatisflex/test/Account.java
index 908af1d5..cf4d3917 100644
--- a/mybatis-flex-core/src/test/java/com/mybatisflex/test/Account.java
+++ b/mybatis-flex-core/src/test/java/com/mybatisflex/test/Account.java
@@ -17,6 +17,8 @@ public class Account {
 
     private int sex;
 
+    private Integer age;
+
     private boolean isNormal;
 
     public Long getId() {
@@ -51,6 +53,14 @@ public class Account {
         this.sex = sex;
     }
 
+    public Integer getAge() {
+        return age;
+    }
+
+    public void setAge(Integer age) {
+        this.age = age;
+    }
+
     public boolean isNormal() {
         return isNormal;
     }
diff --git a/mybatis-flex-core/src/test/java/com/mybatisflex/test/AccountSqlTester.java b/mybatis-flex-core/src/test/java/com/mybatisflex/test/AccountSqlTester.java
index 39569b0a..ae2022ff 100644
--- a/mybatis-flex-core/src/test/java/com/mybatisflex/test/AccountSqlTester.java
+++ b/mybatis-flex-core/src/test/java/com/mybatisflex/test/AccountSqlTester.java
@@ -14,13 +14,52 @@ import static com.mybatisflex.test.table.Tables.ARTICLE;
 
 public class AccountSqlTester {
 
+
     @Test
-    public void testJava(){
-        StringBuilder sql = new StringBuilder("select * from xxx");
-//        sql.(7," 你好 ");
+    public void testSelectSql() {
+        QueryWrapper query = new QueryWrapper()
+                .select()
+                .from(ACCOUNT);
+
+        IDialect dialect = new CommonsDialectImpl();
+        String sql = dialect.forSelectListByQuery(query);
         System.out.println(sql);
     }
 
+    @Test
+    public void testSelectColumnsSql() {
+        QueryWrapper query = new QueryWrapper()
+                .select(ACCOUNT.ID, ACCOUNT.USER_NAME)
+                .from(ACCOUNT);
+
+        IDialect dialect = new CommonsDialectImpl();
+        String sql = dialect.forSelectListByQuery(query);
+        System.out.println(sql);
+    }
+
+    @Test
+    public void testSelectColumnsAndFunctionsSql() {
+        QueryWrapper query = new QueryWrapper()
+                .select(ACCOUNT.ID, ACCOUNT.USER_NAME, max(ACCOUNT.BIRTHDAY), avg(ACCOUNT.SEX).as("sex_avg"))
+                .from(ACCOUNT);
+
+        IDialect dialect = new CommonsDialectImpl();
+        String sql = dialect.forSelectListByQuery(query);
+        System.out.println(sql);
+    }
+
+    @Test
+    public void testSelectAllColumnsSql() {
+        QueryWrapper query = new QueryWrapper()
+                .select(ACCOUNT.ALL_COLUMNS)
+                .from(ACCOUNT);
+
+        IDialect dialect = new CommonsDialectImpl();
+        String sql = dialect.forSelectListByQuery(query);
+        System.out.println(sql);
+    }
+
+
     @Test
     public void testSelectCountSql() {
         QueryWrapper queryWrapper = QueryWrapper.create()
@@ -35,6 +74,91 @@ public class AccountSqlTester {
     }
 
 
+    @Test
+    public void testWhereSql() {
+        QueryWrapper queryWrapper = QueryWrapper.create()
+                .select()
+                .from(ACCOUNT)
+                .where(ACCOUNT.ID.ge(100))
+                .and(ACCOUNT.USER_NAME.like("michael"));
+
+        IDialect dialect = new CommonsDialectImpl();
+        String sql = dialect.forSelectListByQuery(queryWrapper);
+        System.out.println(sql);
+    }
+
+
+    @Test
+    public void testWhereExistSql() {
+        QueryWrapper queryWrapper = QueryWrapper.create()
+                .select()
+                .from(ACCOUNT)
+                .where(ACCOUNT.ID.ge(100))
+                .and(
+                        exist(
+                                selectOne().from(ARTICLE).where(ARTICLE.ID.ge(100))
+                        )
+                );
+
+        IDialect dialect = new CommonsDialectImpl();
+        String sql = dialect.forSelectListByQuery(queryWrapper);
+        System.out.println(sql);
+    }
+
+
+    @Test
+    public void testWhereAndOrSql() {
+        QueryWrapper queryWrapper = QueryWrapper.create()
+                .select()
+                .from(ACCOUNT)
+                .where(ACCOUNT.ID.ge(100))
+                .and(ACCOUNT.SEX.eq(1).or(ACCOUNT.SEX.eq(2)))
+                .or(ACCOUNT.AGE.in(18, 19, 20).or(ACCOUNT.USER_NAME.like("michael")));
+
+        IDialect dialect = new CommonsDialectImpl();
+        String sql = dialect.forSelectListByQuery(queryWrapper);
+        System.out.println(sql);
+    }
+
+    @Test
+    public void testGroupSql() {
+        QueryWrapper queryWrapper = QueryWrapper.create()
+                .select()
+                .from(ACCOUNT)
+                .groupBy(ACCOUNT.USER_NAME);
+
+        IDialect dialect = new CommonsDialectImpl();
+        String sql = dialect.forSelectListByQuery(queryWrapper);
+        System.out.println(sql);
+    }
+
+    @Test
+    public void testHavingSql() {
+        QueryWrapper queryWrapper = QueryWrapper.create()
+                .select()
+                .from(ACCOUNT)
+                .groupBy(ACCOUNT.USER_NAME)
+                .having(ACCOUNT.AGE.between(18,25));
+
+        IDialect dialect = new CommonsDialectImpl();
+        String sql = dialect.forSelectListByQuery(queryWrapper);
+        System.out.println(sql);
+    }
+
+    @Test
+    public void testJoinSql() {
+        QueryWrapper queryWrapper = QueryWrapper.create()
+                .select()
+                .from(ACCOUNT)
+                .leftJoin(ARTICLE).on(ACCOUNT.ID.eq(ARTICLE.ACCOUNT_ID))
+                .where(ACCOUNT.AGE.ge(10));
+
+        IDialect dialect = new CommonsDialectImpl();
+        String sql = dialect.forSelectListByQuery(queryWrapper);
+        System.out.println(sql);
+    }
+
+
     @Test
     public void testrSelectLimitSql() {
         QueryWrapper queryWrapper = QueryWrapper.create()