diff --git a/rt-thread-version/rt-thread-standard/programming-manual/ipc2/ipc2.md b/rt-thread-version/rt-thread-standard/programming-manual/ipc2/ipc2.md
index eaee9b7c0e926e517b5c7e29252865523bd7ed9e..220820e5754813e860e29528249e7a767876ab37 100644
--- a/rt-thread-version/rt-thread-standard/programming-manual/ipc2/ipc2.md
+++ b/rt-thread-version/rt-thread-standard/programming-manual/ipc2/ipc2.md
@@ -445,7 +445,6 @@ rt_mq_t rt_mq_create(const char* name, rt_size_t msg_size,
 | max_msgs           | 消息队列的最大个数                                                            |
 | flag               | 消息队列采用的等待方式，它可以取如下数值： RT_IPC_FLAG_FIFO 或 RT_IPC_FLAG_PRIO |
 |**返回**          | ——                                                                            |
-| RT_EOK             | 发送成功                                                                      |
 | 消息队列对象的句柄 | 成功                                                                          |
 | RT_NULL            | 失败                                                                          |