完善框架的异常处理

library/think/exception/DbBindParamException.php

@@ -18,6 +18,15 @@ use think\exception\DbException;
  */
 class DbBindParamException extends DbException 
 {
+
+    /**
+     * DbBindParamException constructor.
+     * @param string $message
+     * @param array  $config
+     * @param string $sql
+     * @param array    $bind
+     * @param int    $code
+     */
     public function __construct($message, $config, $sql, $bind, $code = 10502)
     {
         $this->setData('Bind Param', $bind);