diff --git a/headers/rtm_2.2.1/custom_headers/CustomIAgoraStreamChannel.h b/headers/rtm_2.2.1/custom_headers/CustomIAgoraStreamChannel.h
index 340a74e..3f79ded 100644
--- a/headers/rtm_2.2.1/custom_headers/CustomIAgoraStreamChannel.h
+++ b/headers/rtm_2.2.1/custom_headers/CustomIAgoraStreamChannel.h
@@ -11,9 +11,15 @@ class IStreamChannel {
   // ----------------------------- 👇🏻new API👇🏻 -----------------------------
   /**
    * @iris_api_id: StreamChannel_publishTopicMessage_a31773e
-   * @source: virtual void publish(const char* channelName, const char* message, const size_t length, const PublishOptions& option, uint64_t& requestId) = 0;
+   * @source: virtual void publishTopicMessage(const char* topic, const char* message, size_t length, const TopicMessageOptions& option, uint64_t& requestId) = 0;
    */
-  virtual void publishTopicBinaryMessage(const char* topic, const unsigned char* message, size_t length, const TopicMessageOptions& option, uint64_t& requestId) = 0;
+  virtual void publishTextMessage(const char* topic, const char* message, size_t length, const TopicMessageOptions& option, uint64_t& requestId) = 0;
+
+  /**
+   * @iris_api_id: StreamChannel_publishTopicMessage_a31773e
+   * @source: virtual void publishTopicMessage(const char* topic, const char* message, size_t length, const TopicMessageOptions& option, uint64_t& requestId) = 0;
+   */
+  virtual void publishBinaryMessage(const char* topic, const unsigned char* message, size_t length, const TopicMessageOptions& option, uint64_t& requestId) = 0;
 
   // ----------------------------- 👆🏻new API👆🏻 -----------------------------
 };