diff --git a/main/assets/en-US/language.json b/main/assets/en-US/language.json
index bef2eb52..b15041d5 100644
--- a/main/assets/en-US/language.json
+++ b/main/assets/en-US/language.json
@@ -22,9 +22,10 @@
         "LISTENING": "Listening...",
         "SPEAKING": "Speaking...",
 
-        "UNABLE_TO_CONNECT_TO_SERVICE": "Unable to connect to service, please try again later",
-        "WAITING_FOR_RESPONSE_TIMEOUT": "Waiting for response timeout",
-        "SENDING_FAILED_PLEASE_CHECK_THE_NETWORK": "Sending failed, please check the network",
+        "SERVER_NOT_FOUND": "Looking for available service",
+        "SERVER_NOT_CONNECTED": "Unable to connect to service, please try again later",
+        "SERVER_TIMEOUT": "Waiting for response timeout",
+        "SERVER_ERROR": "Sending failed, please check the network",
 
         "CONNECT_TO_HOTSPOT": "Hotspot: ",
         "ACCESS_VIA_BROWSER": " Config URL: ",
@@ -32,9 +33,6 @@
         "ENTERING_WIFI_CONFIG_MODE": "Entering Wi-Fi configuration mode...",
         "SCANNING_WIFI": "Scanning Wi-Fi...",
 
-        "UNABLE_TO_ESTABLISH_AUDIO_CHANNEL": "Unable to establish audio channel",
-        "TEST": "Test",
-
         "NEW_VERSION": "New version ",
         "OTA_UPGRADE": "OTA Upgrade",
         "UPGRADING": "System is upgrading...",
diff --git a/main/assets/zh-CN/language.json b/main/assets/zh-CN/language.json
index 5778f83e..b7643f6f 100644
--- a/main/assets/zh-CN/language.json
+++ b/main/assets/zh-CN/language.json
@@ -20,9 +20,10 @@
         "LISTENING":"聆听中...",
         "SPEAKING":"说话中...",
 
-        "UNABLE_TO_CONNECT_TO_SERVICE":"无法连接服务",
-        "WAITING_FOR_RESPONSE_TIMEOUT":"等待响应超时",
-        "SENDING_FAILED_PLEASE_CHECK_THE_NETWORK":"发送失败，请检查网络",
+        "SERVER_NOT_FOUND":"正在寻找可用服务",
+        "SERVER_NOT_CONNECTED":"无法连接服务，请稍后再试",
+        "SERVER_TIMEOUT":"等待响应超时",
+        "SERVER_ERROR":"发送失败，请检查网络",
 
         "CONNECT_TO_HOTSPOT":"手机连接热点 ",
         "ACCESS_VIA_BROWSER":"，浏览器访问 ",
@@ -30,9 +31,6 @@
         "ENTERING_WIFI_CONFIG_MODE":"进入配网模式...",
         "SCANNING_WIFI":"扫描 Wi-Fi...",
 
-        "UNABLE_TO_ESTABLISH_AUDIO_CHANNEL": "无法建立音频通道",
-        "TEST":"测试",
-
         "NEW_VERSION": "新版本 ",
         "OTA_UPGRADE":"OTA 升级",
         "UPGRADING":"正在升级系统...",
diff --git a/main/protocols/mqtt_protocol.cc b/main/protocols/mqtt_protocol.cc
index 6d675256..bd6ac00a 100644
--- a/main/protocols/mqtt_protocol.cc
+++ b/main/protocols/mqtt_protocol.cc
@@ -47,7 +47,7 @@ bool MqttProtocol::StartMqttClient() {
     if (endpoint_.empty()) {
         ESP_LOGE(TAG, "MQTT endpoint is not specified");
         if (on_network_error_ != nullptr) {
-            on_network_error_(Lang::Strings::UNABLE_TO_CONNECT_TO_SERVICE);
+            on_network_error_(Lang::Strings::SERVER_NOT_FOUND);
         }
         return false;
     }
@@ -91,7 +91,7 @@ bool MqttProtocol::StartMqttClient() {
     if (!mqtt_->Connect(endpoint_, 8883, client_id_, username_, password_)) {
         ESP_LOGE(TAG, "Failed to connect to endpoint");
         if (on_network_error_ != nullptr) {
-            on_network_error_(Lang::Strings::UNABLE_TO_CONNECT_TO_SERVICE);
+            on_network_error_(Lang::Strings::SERVER_NOT_CONNECTED);
         }
         return false;
     }
@@ -107,7 +107,7 @@ void MqttProtocol::SendText(const std::string& text) {
     if (!mqtt_->Publish(publish_topic_, text)) {
         ESP_LOGE(TAG, "Failed to publish message");
         if (on_network_error_ != nullptr) {
-            on_network_error_(Lang::Strings::SENDING_FAILED_PLEASE_CHECK_THE_NETWORK);
+            on_network_error_(Lang::Strings::SERVER_ERROR);
         }
     }
 }
@@ -182,7 +182,7 @@ bool MqttProtocol::OpenAudioChannel() {
     if (!(bits & MQTT_PROTOCOL_SERVER_HELLO_EVENT)) {
         ESP_LOGE(TAG, "Failed to receive server hello");
         if (on_network_error_ != nullptr) {
-            on_network_error_(Lang::Strings::WAITING_FOR_RESPONSE_TIMEOUT);
+            on_network_error_(Lang::Strings::SERVER_TIMEOUT);
         }
         return false;
     }
diff --git a/main/protocols/websocket_protocol.cc b/main/protocols/websocket_protocol.cc
index 7659e5df..43d7e0b5 100644
--- a/main/protocols/websocket_protocol.cc
+++ b/main/protocols/websocket_protocol.cc
@@ -99,7 +99,7 @@ bool WebsocketProtocol::OpenAudioChannel() {
     if (!websocket_->Connect(url.c_str())) {
         ESP_LOGE(TAG, "Failed to connect to websocket server");
         if (on_network_error_ != nullptr) {
-            on_network_error_(Lang::Strings::UNABLE_TO_CONNECT_TO_SERVICE);
+            on_network_error_(Lang::Strings::SERVER_NOT_FOUND);
         }
         return false;
     }
@@ -120,7 +120,7 @@ bool WebsocketProtocol::OpenAudioChannel() {
     if (!(bits & WEBSOCKET_PROTOCOL_SERVER_HELLO_EVENT)) {
         ESP_LOGE(TAG, "Failed to receive server hello");
         if (on_network_error_ != nullptr) {
-            on_network_error_(Lang::Strings::WAITING_FOR_RESPONSE_TIMEOUT);
+            on_network_error_(Lang::Strings::SERVER_TIMEOUT);
         }
         return false;
     }