修正sqlite驱动

library/think/db/driver/sqlite.php

@@ -43,13 +43,13 @@ class Sqlite extends Driver
         $info            = [];
         if ($result) {
             foreach ($result as $key => $val) {
-                $info[$val['field']] = [
-                    'name'    => $val['field'],
+                $info[$val['name']] = [
+                    'name'    => $val['name'],
                     'type'    => $val['type'],
-                    'notnull' => (bool) ('' === $val['null']), // not null is empty, null is yes
-                    'default' => $val['default'],
-                    'primary' => (strtolower($val['dey']) == 'pri'),
-                    'autoinc' => (strtolower($val['extra']) == 'auto_increment'),
+                    'notnull' => (bool) (1 === $val['notnull']),
+                    'default' => $val['dflt_value'],
+                    'primary' => '1' == $val['pk'],
+                    'autoinc' => false,
                 ];
             }
         }