diff --git a/app/Constants/ErrorCode.php b/app/Constants/ErrorCode.php
index 76b59c8..c6c391c 100644
--- a/app/Constants/ErrorCode.php
+++ b/app/Constants/ErrorCode.php
@@ -25,7 +25,7 @@ enum ErrorCode: int implements ErrorCodeInterface
      */
     case SERVER_ERROR = 500;
 
-    public function getMessage(array $translate = null): string
+    public function getMessage(?array $translate = null): string
     {
         $arguments = [];
         if ($translate) {
diff --git a/app/Constants/ErrorCodeInterface.php b/app/Constants/ErrorCodeInterface.php
index 4551c71..e6d296f 100644
--- a/app/Constants/ErrorCodeInterface.php
+++ b/app/Constants/ErrorCodeInterface.php
@@ -16,5 +16,5 @@
 
 interface ErrorCodeInterface extends BackedEnum
 {
-    public function getMessage(array $translate = null): string;
+    public function getMessage(?array $translate = null): string;
 }
diff --git a/app/Exception/BusinessException.php b/app/Exception/BusinessException.php
index 3606225..f76c2ff 100644
--- a/app/Exception/BusinessException.php
+++ b/app/Exception/BusinessException.php
@@ -18,7 +18,7 @@
 
 class BusinessException extends ServerException
 {
-    public function __construct(ErrorCodeInterface $code, string $message = null, Throwable $previous = null)
+    public function __construct(ErrorCodeInterface $code, ?string $message = null, ?Throwable $previous = null)
     {
         if (is_null($message)) {
             $message = $code->getMessage();
diff --git a/app/Kernel/Functions.php b/app/Kernel/Functions.php
index aa005f5..11d3206 100644
--- a/app/Kernel/Functions.php
+++ b/app/Kernel/Functions.php
@@ -13,11 +13,12 @@
 use Hyperf\AsyncQueue\JobInterface;
 use Hyperf\Context\ApplicationContext;
 use Hyperf\ExceptionHandler\Formatter\FormatterInterface;
+use Psr\Container\ContainerInterface;
 
 if (! function_exists('di')) {
     /**
      * Finds an entry of the container by its identifier and returns it.
-     * @return mixed|\Psr\Container\ContainerInterface
+     * @return ContainerInterface|mixed
      */
     function di(?string $id = null)
     {