diff --git a/mybatis-flex-core/src/main/java/com/mybatisflex/core/transaction/TransactionalManager.java b/mybatis-flex-core/src/main/java/com/mybatisflex/core/transaction/TransactionalManager.java
index a2ff78f2..2b7f3730 100644
--- a/mybatis-flex-core/src/main/java/com/mybatisflex/core/transaction/TransactionalManager.java
+++ b/mybatis-flex-core/src/main/java/com/mybatisflex/core/transaction/TransactionalManager.java
@@ -75,7 +75,7 @@ public class TransactionalManager {
                     return supplier.get();
 
 
-                //若存在当前事务，则加入当前事务，若不存在当前事务，则已非事务的方式运行
+                //若存在当前事务，则加入当前事务，若不存在当前事务，则抛出异常
                 case MANDATORY:
                     if (currentXID != null) {
                         return supplier.get();