异常类可以通过定义AlwaysErrorMsg注解 明确指定是否需要输出错误信息

该注解方式不受show_error_msg配置影响

src/think/exception/AlwaysErrorMsg.php

@@ -0,0 +1,12 @@
+<?php
+namespace think\exception;
+
+use Attribute;
+
+/**
+ * 异常类可以定义类的注解属性 则始终输出错误信息
+ */
+#[Attribute(Attribute::TARGET_CLASS)]
+final class AlwaysErrorMsg
+{
+}

src/think/exception/Handle.php

@@ -13,6 +13,7 @@
 namespace think\exception;
 
 use Exception;
+use ReflectionClass;
 use think\App;
 use think\console\Output;
 use think\db\exception\DataNotFoundException;
@@ -182,7 +183,10 @@ protected function convertExceptionToArray(Throwable $exception): array
                 'message' => $this->getMessage($exception),
             ];
 
-            if (!$this->app->config->get('app.show_error_msg')) {
+            $reflectionClass = new ReflectionClass($exception);
+            $alwaysMsg       = $reflectionClass->getAttributes(AlwaysErrorMsg::class);
+
+            if (empty($alwaysMsg) && !$this->app->config->get('app.show_error_msg')) {
                 // 不显示详细错误信息
                 $data['message'] = $this->app->config->get('app.error_message');
             }