refactor: 修改环境

app/admin/controller/v1/Captcha.php

@@ -26,7 +26,6 @@ class Captcha
         // 输出验证码
         return success('获取验证码成功！', [
             'token'   => $token,
-            'code'    => $captcha['code'],
             'captcha' => $captcha["img"],
         ]);
     }

public/index.php

@@ -15,7 +15,7 @@ namespace think;
 require __DIR__ . '/../vendor/autoload.php';
 
 // 执行HTTP应用并响应
-$http = (new App())->setEnvName('local')->http;
+$http = (new App())->http;
 
 $response = $http->run();