diff --git a/docs/guide/errcode.md b/docs/guide/errcode.md
index 6c06344c..a4a885c0 100644
--- a/docs/guide/errcode.md
+++ b/docs/guide/errcode.md
@@ -71,5 +71,6 @@
 | E00069 | 框架不能启动两个 ConsoleApplication 实例                     | 不要重复使用 `new ConsoleApplication()`。                    |
 | E00070 | 框架找不到 `zm_data` 目录                                    | 检查配置中指定的 `zm_data` 目录是否存在。                    |
 | E00071 | 框架找不到对应类型的 API 调用类                              | 检查 `getExtendedAPI($name)` 传入的 `$name` 是否正确                    |
+| E00072 | 上下文无法找到                                              | 检查上下文环境，如是否处于协程环境中
 | E99999 | 未知错误                                                     |                                                              |
 
diff --git a/src/ZM/ConsoleApplication.php b/src/ZM/ConsoleApplication.php
index 3d43ba0d..f2edc04e 100644
--- a/src/ZM/ConsoleApplication.php
+++ b/src/ZM/ConsoleApplication.php
@@ -28,9 +28,9 @@ use ZM\Exception\InitException;
 
 class ConsoleApplication extends Application
 {
-    public const VERSION_ID = 436;
+    public const VERSION_ID = 437;
 
-    public const VERSION = '2.7.0-beta2';
+    public const VERSION = '2.7.0-beta3';
 
     private static $obj;
 
diff --git a/src/ZM/global_functions.php b/src/ZM/global_functions.php
index 38dbbe95..b548c9c8 100644
--- a/src/ZM/global_functions.php
+++ b/src/ZM/global_functions.php
@@ -17,6 +17,7 @@ use ZM\Context\ContextInterface;
 use ZM\Event\EventManager;
 use ZM\Exception\RobotNotFoundException;
 use ZM\Exception\ZMException;
+use ZM\Exception\ZMKnownException;
 use ZM\Framework;
 use ZM\Store\LightCacheInside;
 use ZM\Store\ZMAtomic;
@@ -224,12 +225,18 @@ function set_coroutine_params($array)
     }
 }
 
-function context(): ?ContextInterface
+/**
+ * @throws ZMKnownException
+ */
+function context(): ContextInterface
 {
     return ctx();
 }
 
-function ctx(): ?ContextInterface
+/**
+ * @throws ZMKnownException
+ */
+function ctx(): ContextInterface
 {
     $cid = Co::getCid();
     $c_class = ZMConfig::get('global', 'context_class');
@@ -243,8 +250,7 @@ function ctx(): ?ContextInterface
             return ZMBuf::$context_class[$cid] ?? (ZMBuf::$context_class[$cid] = new $c_class($cid));
         }
     }
-
-    return null;
+    throw new ZMKnownException(zm_internal_errcode('E00072') . 'Unable to find context environment');
 }
 
 function onebot_target_id_name($message_type): string