Fixed method fill does not works for camel case model. (#2464)

* Fixed  使用CamelCase驼峰，执行模型批量赋值fill方法时如果key是驼峰同时模型$fillable数组内是蛇形,导致无法批量赋值。

* Update CHANGELOG-2.0.md

Co-authored-by: leetaizhu <taizhu.li@winekar.net>
Co-authored-by: 李铭昕 <715557344@qq.com>

CHANGELOG-2.0.md

@@ -5,6 +5,10 @@
 - [#2455](https://github.com/hyperf/hyperf/pull/2455) Added method `Socket::getRequest` to retrieve psr7 request from socket for socketio-server.
 - [#2459](https://github.com/hyperf/hyperf/pull/2459) Added `ReloadChannelListener` to reload timeout or failed channels automatically for async-queue.
 
+## Fixed
+
+- [#2464](https://github.com/hyperf/hyperf/pull/2464) Fixed method `fill` does not works for camel case model.
+
 # v2.0.10 - 2020-09-07
 
 ## Added

src/database/src/Model/Concerns/CamelCase.php

@@ -66,4 +66,13 @@ trait CamelCase
         }
         return $attributes;
     }
+
+    public function getFillable()
+    {
+        $fillable = [];
+        foreach (parent::getFillable() as $key) {
+            $fillable[] = $this->keyTransform($key);
+        }
+        return $fillable;
+    }
 }