增加初始化admin账号密码命令行;修改部分声明;增加表注释生成关联的功能;

app/admin/controller/system/Admin.php

@@ -128,10 +128,10 @@ class Admin extends AdminController
      */
     public function password($id)
     {
-        $this->checkPostRequest();
         $row = $this->model->find($id);
         empty($row) && $this->error('数据不存在');
         if ($this->request->isAjax()) {
+            $this->checkPostRequest();
             $post = $this->request->post();
             $rule = [
                 'password|登录密码'       => 'require',