diff --git a/src/test/java/com/alibaba/druid/bvt/sql/mysql/SHOW_TABLES_Syntax_Test.java b/src/test/java/com/alibaba/druid/bvt/sql/mysql/SHOW_TABLES_Syntax_Test.java
index 613aabbed0..e4157f512d 100644
--- a/src/test/java/com/alibaba/druid/bvt/sql/mysql/SHOW_TABLES_Syntax_Test.java
+++ b/src/test/java/com/alibaba/druid/bvt/sql/mysql/SHOW_TABLES_Syntax_Test.java
@@ -24,13 +24,11 @@ import junit.framework.TestCase;
 
 import com.alibaba.druid.sql.ast.SQLStatement;
 import com.alibaba.druid.sql.dialect.mysql.parser.MySqlStatementParser;
-import com.alibaba.druid.sql.dialect.mysql.visitor.MySqlOutputVisitor;
 import com.alibaba.druid.sql.parser.SQLStatementParser;
-import org.junit.Test;
 
 public class SHOW_TABLES_Syntax_Test extends TestCase {
 
-    public void test_() throws Exception {
+    public void test_0() throws Exception {
 
         String sql = "SHOW TABLES FROM     SUNTEST   ";
         SQLStatementParser parser = new MySqlStatementParser(sql);
@@ -38,6 +36,18 @@ public class SHOW_TABLES_Syntax_Test extends TestCase {
         String text = SQLUtils.toSQLString(stmtList, JdbcConstants.MYSQL);
         Assert.assertEquals("SHOW TABLES FROM SUNTEST", text);
 
+        sql = "SHOW       TABLES";
+        parser = new MySqlStatementParser(sql);
+        stmtList = parser.parseStatementList();
+        text = SQLUtils.toSQLString(stmtList, JdbcConstants.MYSQL);
+        Assert.assertEquals("SHOW TABLES", text);
+
+        sql = "SHOW   FULL    TABLES";
+        parser = new MySqlStatementParser(sql);
+        stmtList = parser.parseStatementList();
+        text = SQLUtils.toSQLString(stmtList, JdbcConstants.MYSQL);
+        Assert.assertEquals("SHOW FULL TABLES", text);
+
         sql = "SHOW   FULL    TABLES    FROM    SUNTEST   ";
         parser = new MySqlStatementParser(sql);
         stmtList = parser.parseStatementList();