diff --git a/config/autoload/databases.php b/config/autoload/databases.php
index 29a8fec..031e269 100644
--- a/config/autoload/databases.php
+++ b/config/autoload/databases.php
@@ -17,6 +17,8 @@ use Hyperf\Database\Commands\Ast\ModelRewriteSoftDeletesVisitor;
 use Hyperf\Database\Commands\Ast\ModelRewriteTimestampsVisitor;
 use Hyperf\Database\Commands\ModelOption;
 
+use function Hyperf\Support\env;
+
 return [
     'default' => [
         'driver' => env('DB_DRIVER', 'mysql'),
diff --git a/installer/resources/amqp/amqp.php b/installer/resources/amqp/amqp.php
old mode 100755
new mode 100644
index 934cf4b..ba1bf57
--- a/installer/resources/amqp/amqp.php
+++ b/installer/resources/amqp/amqp.php
@@ -9,6 +9,9 @@ declare(strict_types=1);
  * @contact  group@hyperf.io
  * @license  https://github.com/hyperf/hyperf/blob/master/LICENSE
  */
+
+use function Hyperf\Support\env;
+
 return [
     'default' => [
         'host' => env('AMQP_HOST', 'localhost'),
diff --git a/installer/resources/config_center/config_acm.php b/installer/resources/config_center/config_acm.php
index e08c65f..147c76a 100755
--- a/installer/resources/config_center/config_acm.php
+++ b/installer/resources/config_center/config_acm.php
@@ -10,6 +10,7 @@ declare(strict_types=1);
  * @license  https://github.com/hyperf/hyperf/blob/master/LICENSE
  */
 use Hyperf\ConfigCenter\Mode;
+use function Hyperf\Support\env;
 
 return [
     'enable' => (bool) env('CONFIG_CENTER_ENABLE', true),
diff --git a/installer/resources/config_center/config_apollo.php b/installer/resources/config_center/config_apollo.php
index 289f176..5c64c04 100755
--- a/installer/resources/config_center/config_apollo.php
+++ b/installer/resources/config_center/config_apollo.php
@@ -12,6 +12,8 @@ declare(strict_types=1);
 use Hyperf\ConfigApollo\PullMode;
 use Hyperf\ConfigCenter\Mode;
 
+use function Hyperf\Support\env;
+
 return [
     'enable' => (bool) env('CONFIG_CENTER_ENABLE', true),
     'driver' => env('CONFIG_CENTER_DRIVER', 'apollo'),
diff --git a/installer/resources/config_center/config_etcd.php b/installer/resources/config_center/config_etcd.php
old mode 100755
new mode 100644
index b35139f..7be6a09
--- a/installer/resources/config_center/config_etcd.php
+++ b/installer/resources/config_center/config_etcd.php
@@ -11,6 +11,8 @@ declare(strict_types=1);
  */
 use Hyperf\ConfigCenter\Mode;
 
+use function Hyperf\Support\env;
+
 return [
     'enable' => (bool) env('CONFIG_CENTER_ENABLE', true),
     'driver' => env('CONFIG_CENTER_DRIVER', 'etcd'),
@@ -18,7 +20,7 @@ return [
     'drivers' => [
         'etcd' => [
             'driver' => Hyperf\ConfigEtcd\EtcdDriver::class,
-            'packer' => Hyperf\Utils\Packer\JsonPacker::class,
+            'packer' => Hyperf\Codec\Packer\JsonPacker::class,
             'namespaces' => [
                 '/application',
             ],
diff --git a/installer/resources/config_center/config_nacos.php b/installer/resources/config_center/config_nacos.php
index ed4a105..3a18246 100755
--- a/installer/resources/config_center/config_nacos.php
+++ b/installer/resources/config_center/config_nacos.php
@@ -11,6 +11,8 @@ declare(strict_types=1);
  */
 use Hyperf\ConfigCenter\Mode;
 
+use function Hyperf\Support\env;
+
 return [
     'enable' => (bool) env('CONFIG_CENTER_ENABLE', true),
     'driver' => env('CONFIG_CENTER_DRIVER', 'nacos'),
diff --git a/installer/resources/model_cache/databases.php b/installer/resources/model_cache/databases.php
index b164103..ae6f9e7 100755
--- a/installer/resources/model_cache/databases.php
+++ b/installer/resources/model_cache/databases.php
@@ -9,6 +9,9 @@ declare(strict_types=1);
  * @contact  group@hyperf.io
  * @license  https://github.com/hyperf/hyperf/blob/master/LICENSE
  */
+
+use function Hyperf\Support\env;
+
 return [
     'default' => [
         'driver' => env('DB_DRIVER', 'mysql'),
diff --git a/installer/resources/tracer/opentracing.php b/installer/resources/tracer/opentracing.php
index 8b4dbd1..44c2159 100755
--- a/installer/resources/tracer/opentracing.php
+++ b/installer/resources/tracer/opentracing.php
@@ -11,6 +11,8 @@ declare(strict_types=1);
  */
 use Zipkin\Samplers\BinarySampler;
 
+use function Hyperf\Support\env;
+
 return [
     'default' => env('TRACER_DRIVER', 'zipkin'),
     'enable' => [