diff --git a/main/protocols/mqtt_protocol.cc b/main/protocols/mqtt_protocol.cc
index 4a118778..59984d11 100644
--- a/main/protocols/mqtt_protocol.cc
+++ b/main/protocols/mqtt_protocol.cc
@@ -100,14 +100,16 @@ bool MqttProtocol::StartMqttClient(bool report_error) {
     return true;
 }
 
-void MqttProtocol::SendText(const std::string& text) {
+bool MqttProtocol::SendText(const std::string& text) {
     if (publish_topic_.empty()) {
-        return;
+        return false;
     }
     if (!mqtt_->Publish(publish_topic_, text)) {
         ESP_LOGE(TAG, "Failed to publish message: %s", text.c_str());
         SetError(Lang::Strings::SERVER_ERROR);
+        return false;
     }
+    return true;
 }
 
 void MqttProtocol::SendAudio(const std::vector<uint8_t>& data) {
@@ -174,7 +176,9 @@ bool MqttProtocol::OpenAudioChannel() {
     message += "\"audio_params\":{";
     message += "\"format\":\"opus\", \"sample_rate\":16000, \"channels\":1, \"frame_duration\":" + std::to_string(OPUS_FRAME_DURATION_MS);
     message += "}}";
-    SendText(message);
+    if (!SendText(message)) {
+        return false;
+    }
 
     // 等待服务器响应
     EventBits_t bits = xEventGroupWaitBits(event_group_handle_, MQTT_PROTOCOL_SERVER_HELLO_EVENT, pdTRUE, pdFALSE, pdMS_TO_TICKS(10000));
diff --git a/main/protocols/mqtt_protocol.h b/main/protocols/mqtt_protocol.h
index d7253fe6..8c75cd7b 100644
--- a/main/protocols/mqtt_protocol.h
+++ b/main/protocols/mqtt_protocol.h
@@ -54,7 +54,7 @@ private:
     void ParseServerHello(const cJSON* root);
     std::string DecodeHexString(const std::string& hex_string);
 
-    void SendText(const std::string& text) override;
+    bool SendText(const std::string& text) override;
 };
 
 
diff --git a/main/protocols/protocol.h b/main/protocols/protocol.h
index c1ef1d47..df7a36b6 100644
--- a/main/protocols/protocol.h
+++ b/main/protocols/protocol.h
@@ -69,7 +69,7 @@ protected:
     std::string session_id_;
     std::chrono::time_point<std::chrono::steady_clock> last_incoming_time_;
 
-    virtual void SendText(const std::string& text) = 0;
+    virtual bool SendText(const std::string& text) = 0;
     virtual void SetError(const std::string& message);
     virtual bool IsTimeout() const;
 };
diff --git a/main/protocols/websocket_protocol.cc b/main/protocols/websocket_protocol.cc
index e3d25b30..db610933 100644
--- a/main/protocols/websocket_protocol.cc
+++ b/main/protocols/websocket_protocol.cc
@@ -33,15 +33,18 @@ void WebsocketProtocol::SendAudio(const std::vector<uint8_t>& data) {
     websocket_->Send(data.data(), data.size(), true);
 }
 
-void WebsocketProtocol::SendText(const std::string& text) {
+bool WebsocketProtocol::SendText(const std::string& text) {
     if (websocket_ == nullptr) {
-        return;
+        return false;
     }
 
     if (!websocket_->Send(text)) {
         ESP_LOGE(TAG, "Failed to send text: %s", text.c_str());
         SetError(Lang::Strings::SERVER_ERROR);
+        return false;
     }
+
+    return true;
 }
 
 bool WebsocketProtocol::IsAudioChannelOpened() const {
@@ -116,7 +119,9 @@ bool WebsocketProtocol::OpenAudioChannel() {
     message += "\"audio_params\":{";
     message += "\"format\":\"opus\", \"sample_rate\":16000, \"channels\":1, \"frame_duration\":" + std::to_string(OPUS_FRAME_DURATION_MS);
     message += "}}";
-    websocket_->Send(message);
+    if (!SendText(message)) {
+        return false;
+    }
 
     // Wait for server hello
     EventBits_t bits = xEventGroupWaitBits(event_group_handle_, WEBSOCKET_PROTOCOL_SERVER_HELLO_EVENT, pdTRUE, pdFALSE, pdMS_TO_TICKS(10000));
diff --git a/main/protocols/websocket_protocol.h b/main/protocols/websocket_protocol.h
index 0d4c2bb9..3f32e726 100644
--- a/main/protocols/websocket_protocol.h
+++ b/main/protocols/websocket_protocol.h
@@ -26,7 +26,7 @@ private:
     WebSocket* websocket_ = nullptr;
 
     void ParseServerHello(const cJSON* root);
-    void SendText(const std::string& text) override;
+    bool SendText(const std::string& text) override;
 };
 
 #endif