diff --git a/ActiveQuery.php b/ActiveQuery.php
index 7d2594b..d31456e 100644
--- a/ActiveQuery.php
+++ b/ActiveQuery.php
@@ -135,11 +135,11 @@ class ActiveQuery extends QueryTrait implements ISqlBuilder
 
 
     /**
-     * @param $data
+     * @param array $data
      * @return ModelInterface|array
      * @throws
      */
-    public function populate($data): ModelInterface|array
+    public function populate(array $data): ModelInterface|array
     {
         $model = $this->modelClass->populates($data);
 
@@ -187,12 +187,12 @@ class ActiveQuery extends QueryTrait implements ISqlBuilder
     }
 
     /**
-     * @param $filed
+     * @param string $filed
      *
      * @return mixed
      * @throws
      */
-    public function value($filed): mixed
+    public function value(string $filed): mixed
     {
         return $this->first()[$filed] ?? NULL;
     }
diff --git a/Base/CollectionIterator.php b/Base/CollectionIterator.php
index 3d48324..1cc2cfa 100644
--- a/Base/CollectionIterator.php
+++ b/Base/CollectionIterator.php
@@ -6,7 +6,6 @@ namespace Database\Base;
 
 
 use Database\ModelInterface;
-use Exception;
 
 
 /**
@@ -16,6 +15,10 @@ use Exception;
 class CollectionIterator extends \ArrayIterator
 {
 
+
+    /**
+     * @var ModelInterface|string
+     */
     private ModelInterface|string $model;
 
 
diff --git a/Base/ConditionClassMap.php b/Base/ConditionClassMap.php
deleted file mode 100644
index f852168..0000000
--- a/Base/ConditionClassMap.php
+++ /dev/null
@@ -1,72 +0,0 @@
-<?php
-
-declare(strict_types=1);
-
-namespace Database\Base;
-
-
-use Database\Condition\BetweenCondition;
-use Database\Condition\InCondition;
-use Database\Condition\LikeCondition;
-use Database\Condition\LLikeCondition;
-use Database\Condition\MathematicsCondition;
-use Database\Condition\NotBetweenCondition;
-use Database\Condition\NotInCondition;
-use Database\Condition\NotLikeCondition;
-use Database\Condition\RLikeCondition;
-
-/**
- * Class ConditionClassMap
- * @package Database\Base
- */
-class ConditionClassMap
-{
-
-    public static array $conditionMap = [
-        'IN'          => [
-            'class' => InCondition::class
-        ],
-        'NOT IN'      => [
-            'class' => NotInCondition::class
-        ],
-        'LIKE'        => [
-            'class' => LikeCondition::class
-        ],
-        'NOT LIKE'    => [
-            'class' => NotLikeCondition::class
-        ],
-        'LLike'       => [
-            'class' => LLikeCondition::class
-        ],
-        'RLike'       => [
-            'class' => RLikeCondition::class
-        ],
-        'EQ'          => [
-            'class' => MathematicsCondition::class,
-            'type'  => 'EQ'
-        ],
-        'NEQ'         => [
-            'class' => MathematicsCondition::class,
-            'type'  => 'NEQ'
-        ],
-        'GT'          => [
-            'class' => MathematicsCondition::class,
-            'type'  => 'GT'
-        ],
-        'EGT'         => [
-            'class' => MathematicsCondition::class,
-            'type'  => 'EGT'
-        ],
-        'LT'          => [
-            'class' => MathematicsCondition::class,
-            'type'  => 'LT'
-        ],
-        'ELT'         => [
-            'class' => MathematicsCondition::class,
-            'type'  => 'ELT'
-        ],
-        'BETWEEN'     => BetweenCondition::class,
-        'NOT BETWEEN' => NotBetweenCondition::class,
-    ];
-
-}
diff --git a/Base/Model.php b/Base/Model.php
index 94e96bc..9d82bcb 100644
--- a/Base/Model.php
+++ b/Base/Model.php
@@ -19,7 +19,6 @@ use Database\Collection;
 use Database\Connection;
 use Database\DatabasesProviders;
 use Database\ModelInterface;
-use Database\Mysql\Columns;
 use Database\Relation;
 use Database\SqlBuilder;
 use Exception;
@@ -793,16 +792,6 @@ abstract class Model extends Component implements ModelInterface, ArrayAccess, \
     }
 
 
-    /**
-     * @return Columns
-     * @throws
-     */
-    public function getColumns(): Columns
-    {
-        return $this->getConnection()->getSchema()->getColumns()->table($this->getTable());
-    }
-
-
     /**
      * @param array $data
      * @return static
diff --git a/Collection.php b/Collection.php
index 48ee4ca..ab2c8da 100644
--- a/Collection.php
+++ b/Collection.php
@@ -191,12 +191,11 @@ class Collection extends AbstractCollection
 
 
     /**
-     * @param $value
-     * @param $condition
+     * @param array|ModelInterface $value
+     * @param array $condition
      * @return bool
-     * @throws
      */
-    private function filterCheck($value, $condition): bool
+    private function filterCheck(array|ModelInterface $value, array $condition): bool
     {
         $_value = $value;
         if ($_value instanceof ModelInterface) {
@@ -211,11 +210,11 @@ class Collection extends AbstractCollection
 
 
     /**
-     * @param $key
-     * @param $value
+     * @param string $key
+     * @param mixed $value
      * @return mixed
      */
-    public function exists($key, $value): mixed
+    public function exists(string $key, mixed $value): mixed
     {
         foreach ($this as $item) {
             if ($item->$key === $value) {
diff --git a/Command.php b/Command.php
index 15ff8bc..e012c27 100644
--- a/Command.php
+++ b/Command.php
@@ -13,7 +13,6 @@ namespace Database;
 use Exception;
 use Kiri\Abstracts\Component;
 use Kiri\Di\Container;
-use Kiri\Error\StdoutLogger;
 use PDO;
 use Throwable;
 
diff --git a/Connection.php b/Connection.php
index 2539f48..ffeb762 100644
--- a/Connection.php
+++ b/Connection.php
@@ -14,7 +14,6 @@ namespace Database;
 use Database\Affair\BeginTransaction;
 use Database\Affair\Commit;
 use Database\Affair\Rollback;
-use Database\Mysql\Schema;
 use Exception;
 use Kiri;
 use Kiri\Server\Events\OnWorkerExit;
@@ -56,7 +55,6 @@ class Connection extends Component
     public bool     $enableCache = false;
     public string   $cacheDriver = 'redis';
     public array    $attributes  = [];
-    private ?Schema $_schema     = null;
 
 
     /**
@@ -142,19 +140,6 @@ class Connection extends Component
     }
 
 
-    /**
-     * @return mixed
-     * @throws
-     */
-    public function getSchema(): Schema
-    {
-        if ($this->_schema === null) {
-            $this->_schema = Kiri::createObject(['class' => Schema::class, 'db' => $this]);
-        }
-        return $this->_schema;
-    }
-
-
     /**
      * @return PDO
      * @throws
@@ -283,12 +268,12 @@ class Connection extends Component
 
 
     /**
-     * @param null $sql
+     * @param string $sql
      * @param array $attributes
      * @return Command
      * @throws
      */
-    public function createCommand($sql = null, array $attributes = []): Command
+    public function createCommand(string $sql, array $attributes = []): Command
     {
         return (new Command(['connection' => $this, 'sql' => $sql]))->bindValues($attributes);
     }
diff --git a/DatabasesProviders.php b/DatabasesProviders.php
index 6f10aa8..b518dba 100644
--- a/DatabasesProviders.php
+++ b/DatabasesProviders.php
@@ -41,33 +41,33 @@ class DatabasesProviders extends Providers
 
 
     /**
-     * @param $name
+     * @param string $name
      * @return Connection
      * @throws Exception
      */
-    public function get($name): Connection
+    public function get(string $name): Connection
     {
         return $this->connections[$name];
     }
 
 
     /**
-     * @param $key
+     * @param string $key
      * @param array $connection
      * @return void
      * @throws Exception
      */
-    protected function set($key, array $connection): void
+    protected function set(string $key, array $connection): void
     {
         $this->connections[$key] = Kiri::createObject($connection);
     }
 
 
     /**
-     * @param $database
+     * @param array $database
      * @return array
      */
-    private function _settings($database): array
+    private function _settings(array $database): array
     {
         $clientPool = $database['pool'] ?? ['min' => 1, 'max' => 5, 'tick' => 60];
         return [
diff --git a/Mysql/Columns.php b/Mysql/Columns.php
deleted file mode 100644
index 98343af..0000000
--- a/Mysql/Columns.php
+++ /dev/null
@@ -1,388 +0,0 @@
-<?php
-/**
- * Created by PhpStorm.
- * User: admin
- * Date: 2019-03-18
- * Time: 17:22
- */
-
-declare(strict_types=1);
-
-namespace Database\Mysql;
-
-
-use Database\Connection;
-use Database\SqlBuilder;
-use JetBrains\PhpStorm\Pure;
-use Kiri\Abstracts\Component;
-use Kiri\Core\Json;
-
-/**
- * Class Columns
- * @package Database\Mysql
- */
-class Columns extends Component
-{
-
-
-    private array $columns         = [];
-    public string $table           = '';
-    private array $_primary        = [];
-    private array $_auto_increment = [];
-    private array $_fields         = [];
-
-
-    /**
-     * @param Connection $db
-     */
-    public function __construct(public Connection $db)
-    {
-        parent::__construct();
-    }
-
-    /**
-     * @param string $table
-     * @return $this
-     * @throws
-     */
-    public function table(string $table): static
-    {
-        $this->structure($this->table = $table);
-        return $this;
-    }
-
-    /**
-     * @return string
-     */
-    public function getTable(): string
-    {
-        return $this->table;
-    }
-
-    /**
-     * @param $key
-     * @param $val
-     * @return string|int|bool|float
-     * @throws
-     */
-    public function fieldFormat($key, $val): string|int|bool|float
-    {
-        return $this->encode($val, $this->get_fields($key));
-    }
-
-    /**
-     * @param $data
-     * @return array
-     * @throws
-     */
-    public function populate($data): array
-    {
-        $column = $this->get_fields();
-        foreach ($data as $key => $val) {
-            if (!isset($column[$key])) {
-                continue;
-            }
-            $data[$key] = $this->decode($val, $column[$key]);
-        }
-        return $data;
-    }
-
-    /**
-     * @param $val
-     * @param null $format
-     * @return mixed
-     */
-    public function decode($val, $format = null): mixed
-    {
-        if (empty($format) || $val === null) {
-            return $val;
-        }
-        $format = strtolower($format);
-        if ($this->isInt($format)) {
-            return (int)$val;
-        } else if ($this->isJson($format)) {
-            return Json::decode($val, true);
-        } else if ($this->isFloat($format)) {
-            return (float)$val;
-        } else {
-            return stripslashes((string)$val);
-        }
-    }
-
-
-    /**
-     * @param string $name
-     * @param $value
-     * @return mixed
-     * @throws
-     */
-    public function _decode(string $name, $value): mixed
-    {
-        return $this->decode($value, $this->get_fields($name));
-    }
-
-
-    /**
-     * @param $val
-     * @param null $format
-     * @return float|bool|int|string
-     * @throws
-     */
-    public function encode($val, $format = null): float|bool|int|string
-    {
-        if (empty($format)) {
-            return $val;
-        }
-        $format = strtolower($format);
-        if ($this->isInt($format)) {
-            return (int)$val;
-        } else if ($this->isJson($format)) {
-            return Json::encode($val);
-        } else if ($this->isFloat($format)) {
-            return (float)$val;
-        } else {
-            return addslashes($val);
-        }
-    }
-
-    /**
-     * @param $format
-     * @return bool
-     */
-    #[Pure] public function isInt($format): bool
-    {
-        return in_array($format, ['int', 'bigint', 'tinyint', 'smallint', 'mediumint']);
-    }
-
-    /**
-     * @param $format
-     * @return bool
-     */
-    #[Pure] public function isFloat($format): bool
-    {
-        return in_array($format, ['float', 'double', 'decimal']);
-    }
-
-    /**
-     * @param $format
-     * @return bool
-     */
-    #[Pure] public function isJson($format): bool
-    {
-        return $format == 'json';
-    }
-
-    /**
-     * @param $format
-     * @return bool
-     */
-    #[Pure] public function isString($format): bool
-    {
-        return in_array($format, ['varchar', 'char', 'text', 'longtext', 'tinytext', 'mediumtext']);
-    }
-
-
-    /**
-     * @return array
-     * @throws
-     */
-    public function format(): array
-    {
-        return $this->columns('Default', 'Field');
-    }
-
-
-    /**
-     * @return mixed
-     * @throws
-     */
-    public function getFields(): array
-    {
-        if (empty($this->_fields)) {
-            $this->structure($this->table);
-        }
-        return $this->_fields[$this->table];
-    }
-
-
-    /**
-     * @param string $name
-     * @return bool
-     * @throws
-     */
-    public function hasField(string $name): bool
-    {
-        return array_key_exists($name, $this->getFields());
-    }
-
-
-    /**
-     * @return int|string|null
-     * @throws
-     */
-    public function getAutoIncrement(): int|string|null
-    {
-        return $this->_auto_increment[$this->table] ?? null;
-    }
-
-    /**
-     * @return array|null|string
-     *
-     * @throws
-     */
-    public function getPrimaryKeys(): array|string|null
-    {
-        if (isset($this->_auto_increment[$this->table])) {
-            return $this->_auto_increment[$this->table];
-        }
-        return $this->_primary[$this->table] ?? null;
-    }
-
-    /**
-     * @return array|null|string
-     *
-     * @throws
-     */
-    #[Pure] public function getFirstPrimary(): array|string|null
-    {
-        if (isset($this->_auto_increment[$this->table])) {
-            return $this->_auto_increment[$this->table];
-        }
-        if (isset($this->_primary[$this->table])) {
-            return current($this->_primary[$this->table]);
-        }
-        return null;
-    }
-
-    /**
-     * @param $name
-     * @param null $index
-     * @return array
-     * @throws
-     */
-    private function columns($name, $index = null): array
-    {
-        if (empty($index)) {
-            return array_column($this->getColumns(), $name);
-        } else {
-            return array_column($this->getColumns(), $name, $index);
-        }
-    }
-
-    /**
-     * @return array|static
-     * @throws
-     */
-    private function getColumns(): array|static
-    {
-        return $this->structure($this->getTable());
-    }
-
-
-    /**
-     * @param $table
-     * @return array|Columns
-     * @throws
-     */
-    private function structure($table): array|static
-    {
-        if (!isset($this->columns[$table]) || empty($this->columns[$table])) {
-            $column = $this->db->createCommand(SqlBuilder::builder(null)->columns($table))->all();
-            if (empty($column)) {
-                throw new \Exception("The table " . $table . " not exists.");
-            }
-            return $this->columns[$table] = $this->resolve($column, $table);
-        }
-        return $this->columns[$table];
-    }
-
-
-    /**
-     * @param array $column
-     * @param $table
-     * @return array
-     */
-    private function resolve(array $column, $table): array
-    {
-        foreach ($column as $key => $item) {
-            $this->addPrimary($item, $table);
-            $column[$key]['Type'] = $this->clean($item['Type']);
-        }
-
-        $this->_fields[$table] = array_column($column, 'Default', 'Field');
-
-        return $column;
-    }
-
-    /**
-     * @param $item
-     * @param $table
-     */
-    private function addPrimary($item, $table): void
-    {
-        if (!isset($this->_primary[$table])) {
-            $this->_primary[$table] = [];
-        }
-        if ($item['Key'] === 'PRI') {
-            $this->_primary[$table][] = $item['Field'];
-        }
-        $this->addIncrement($item, $table);
-    }
-
-
-    /**
-     * @param $item
-     * @param $table
-     */
-    private function addIncrement($item, $table): void
-    {
-        if ($item['Extra'] !== 'auto_increment') {
-            return;
-        }
-        $this->_auto_increment[$table] = $item['Field'];
-    }
-
-
-    /**
-     * @param $type
-     * @return string
-     */
-    public function clean($type): string
-    {
-        if (!str_contains($type, ')')) {
-            return $type;
-        }
-        $replace = preg_replace('/\(\d+(,\d+)?\)(\s+\w+)*/', '', $type);
-        if (str_contains($replace, ' ')) {
-            $replace = explode(' ', $replace)[1];
-        }
-        return $replace;
-    }
-
-    /**
-     * @param null $field
-     * @return array|string|null
-     * @throws
-     */
-    public function get_fields($field = null): array|string|null
-    {
-        $fields = $this->getAllField();
-        if (empty($field)) {
-            return $fields;
-        }
-        if (isset($fields[$field])) {
-            return strtolower($fields[$field]);
-        }
-        return null;
-    }
-
-    /**
-     * @return array
-     * @throws
-     */
-    public function getAllField(): array
-    {
-        return $this->columns('Type', 'Field');
-    }
-
-}
diff --git a/Mysql/Schema.php b/Mysql/Schema.php
deleted file mode 100644
index 1e19837..0000000
--- a/Mysql/Schema.php
+++ /dev/null
@@ -1,35 +0,0 @@
-<?php
-declare(strict_types=1);
-namespace Database\Mysql;
-
-
-use Kiri\Abstracts\Component;
-use Database\Connection;
-
-/**
- * Class Schema
- * @package Database\Mysql
- */
-class Schema extends Component
-{
-
-	/** @var ?Connection */
-	public ?Connection $db = null;
-
-	/** @var ?Columns $_column*/
-	private ?Columns $_column = null;
-
-
-	/**
-	 * @return Columns|null
-	 * @throws
-	 */
-	public function getColumns(): ?Columns
-	{
-		if ($this->_column === null) {
-			$this->_column = new Columns($this->db);
-		}
-
-		return $this->_column;
-	}
-}
diff --git a/SqlBuilder.php b/SqlBuilder.php
index ad45c51..f25811c 100644
--- a/SqlBuilder.php
+++ b/SqlBuilder.php
@@ -151,7 +151,7 @@ class SqlBuilder extends Component
      * @param $attributes
      * @return array
      */
-    #[Pure] private function getFields($attributes): array
+    #[Pure] private function getFields(array $attributes): array
     {
         return array_keys(current($attributes));
     }
@@ -240,10 +240,10 @@ class SqlBuilder extends Component
 
 
     /**
-     * @param $table
+     * @param string $table
      * @return string
      */
-    public function columns($table): string
+    public function columns(string $table): string
     {
         return 'SHOW FULL FIELDS FROM ' . $table;
     }
@@ -366,11 +366,11 @@ class SqlBuilder extends Component
 
 
     /**
-     * @param $field
-     * @param $condition
+     * @param string $field
+     * @param mixed $condition
      * @return string
      */
-    private function resolveCondition($field, $condition): string
+    private function resolveCondition(string $field, mixed $condition): string
     {
         if (is_string($field)) {
             $this->query->pushParam($condition);
@@ -387,7 +387,7 @@ class SqlBuilder extends Component
      * @param $condition
      * @return array
      */
-    private function _hashMap($condition): array
+    private function _hashMap(array $condition): array
     {
         $_array = [];
         foreach ($condition as $key => $value) {
diff --git a/Traits/HasBase.php b/Traits/HasBase.php
index 1c262ed..22dd975 100644
--- a/Traits/HasBase.php
+++ b/Traits/HasBase.php
@@ -47,13 +47,13 @@ abstract class HasBase implements \Database\Traits\Relation
     {
     }
 
+
     /**
-     * @param $name
-     * @param $arguments
-     * @return static
-     * @throws
+     * @param string $name
+     * @param array $arguments
+     * @return $this|mixed
      */
-    public function __call($name, $arguments)
+    public function __call(string $name, array $arguments)
     {
         if ($name !== 'get') {
             $relation = Kiri::getDi()->get(Relation::class);
@@ -66,10 +66,10 @@ abstract class HasBase implements \Database\Traits\Relation
 
 
     /**
-     * @param $name
+     * @param string $name
      * @return mixed
      */
-    public function __get($name): mixed
+    public function __get(string $name): mixed
     {
         if ($this->data === null) {
             $this->data = $this->get();
diff --git a/Traits/QueryTrait.php b/Traits/QueryTrait.php
index 2682a9c..9f3a6c8 100644
--- a/Traits/QueryTrait.php
+++ b/Traits/QueryTrait.php
@@ -724,12 +724,12 @@ abstract class QueryTrait extends Component implements ActiveQueryInterface, ISq
 
 
     /**
-     * @param $column
-     * @param $value
+     * @param string $column
+     * @param string $value
      * @param string $opera
      * @return string
      */
-    private function sprintf($column, $value, string $opera = '='): string
+    private function sprintf(string $column, string $value, string $opera = '='): string
     {
         $this->pushParam($value);
         return $column . ' ' . $opera . ' ?';