diff --git a/src/M5ModuleLLM.cpp b/src/M5ModuleLLM.cpp
index b7f4699..f004fe8 100644
--- a/src/M5ModuleLLM.cpp
+++ b/src/M5ModuleLLM.cpp
@@ -23,6 +23,7 @@ bool M5ModuleLLM::begin(Stream* serialPort)
 
 bool M5ModuleLLM::checkConnection()
 {
+    llm_version = (sys.version() == MODULE_LLM_OK);
     return sys.ping() == MODULE_LLM_OK;
 }
 
diff --git a/src/M5ModuleLLM.h b/src/M5ModuleLLM.h
index eaed899..abbc578 100644
--- a/src/M5ModuleLLM.h
+++ b/src/M5ModuleLLM.h
@@ -15,6 +15,7 @@
 #include "api/api_kws.h"
 #include "api/api_asr.h"
 #include "api/api_yolo.h"
+#include "api/api_version.h"
 
 class M5ModuleLLM {
 public:
diff --git a/src/api/api_asr.cpp b/src/api/api_asr.cpp
index 43a86e9..633cad1 100644
--- a/src/api/api_asr.cpp
+++ b/src/api/api_asr.cpp
@@ -4,6 +4,7 @@
  * SPDX-License-Identifier: MIT
  */
 #include "api_asr.h"
+#include "api_version.h"
 
 using namespace m5_module_llm;
 
@@ -23,14 +24,19 @@ String ApiAsr::setup(ApiAsrSetupConfig_t config, String request_id)
         doc["object"]                  = "asr.setup";
         doc["data"]["model"]           = config.model;
         doc["data"]["response_format"] = config.response_format;
-        JsonArray inputArray           = doc["data"]["input"].to<JsonArray>();
-        for (const String& str : config.input) {
-            inputArray.add(str);
+        doc["data"]["enoutput"]        = config.enoutput;
+        doc["data"]["enkws"]           = config.enkws;
+        doc["data"]["rule1"]           = config.rule1;
+        doc["data"]["rule2"]           = config.rule2;
+        doc["data"]["rule3"]           = config.rule3;
+        if (!llm_version) {
+            doc["data"]["input"] = config.input[0];
+        } else {
+            JsonArray inputArray = doc["data"]["input"].to<JsonArray>();
+            for (const String& str : config.input) {
+                inputArray.add(str);
+            }
         }
-        doc["data"]["enoutput"] = config.enoutput;
-        doc["data"]["rule1"]    = config.rule1;
-        doc["data"]["rule2"]    = config.rule2;
-        doc["data"]["rule3"]    = config.rule3;
         serializeJson(doc, cmd);
     }
 
diff --git a/src/api/api_asr.h b/src/api/api_asr.h
index 7924850..9b2d65d 100644
--- a/src/api/api_asr.h
+++ b/src/api/api_asr.h
@@ -14,6 +14,7 @@ struct ApiAsrSetupConfig_t {
     String response_format    = "asr.utf-8.stream";
     std::vector<String> input = {"sys.pcm"};
     bool enoutput             = true;
+    bool enkws                = true;
     float rule1               = 2.4;
     float rule2               = 1.2;
     float rule3               = 30.0;
diff --git a/src/api/api_kws.cpp b/src/api/api_kws.cpp
index 1431732..46db507 100644
--- a/src/api/api_kws.cpp
+++ b/src/api/api_kws.cpp
@@ -4,6 +4,7 @@
  * SPDX-License-Identifier: MIT
  */
 #include "api_kws.h"
+#include "api_version.h"
 
 using namespace m5_module_llm;
 
@@ -23,12 +24,16 @@ String ApiKws::setup(ApiKwsSetupConfig_t config, String request_id)
         doc["object"]                  = "kws.setup";
         doc["data"]["model"]           = config.model;
         doc["data"]["response_format"] = config.response_format;
-        JsonArray inputArray           = doc["data"]["input"].to<JsonArray>();
-        for (const String& str : config.input) {
-            inputArray.add(str);
+        doc["data"]["enoutput"]        = config.enoutput;
+        doc["data"]["kws"]             = config.kws;
+        if (!llm_version) {
+            doc["data"]["input"] = config.input[0];
+        } else {
+            JsonArray inputArray = doc["data"]["input"].to<JsonArray>();
+            for (const String& str : config.input) {
+                inputArray.add(str);
+            }
         }
-        doc["data"]["enoutput"] = config.enoutput;
-        doc["data"]["kws"]      = config.kws;
         serializeJson(doc, cmd);
     }
 
diff --git a/src/api/api_llm.cpp b/src/api/api_llm.cpp
index af5c539..57b4ee9 100644
--- a/src/api/api_llm.cpp
+++ b/src/api/api_llm.cpp
@@ -4,6 +4,7 @@
  * SPDX-License-Identifier: MIT
  */
 #include "api_llm.h"
+#include "api_version.h"
 
 using namespace m5_module_llm;
 
@@ -23,13 +24,19 @@ String ApiLlm::setup(ApiLlmSetupConfig_t config, String request_id)
         doc["object"]                  = "llm.setup";
         doc["data"]["model"]           = config.model;
         doc["data"]["response_format"] = config.response_format;
-        JsonArray inputArray           = doc["data"]["input"].to<JsonArray>();
-        for (const String& str : config.input) {
-            inputArray.add(str);
+        doc["data"]["enoutput"]        = config.enoutput;
+        doc["data"]["enkws"]           = config.enkws;
+        doc["data"]["max_token_len"]   = config.max_token_len;
+        doc["data"]["prompt"]          = config.prompt;
+        if (!llm_version) {
+            doc["data"]["model"] = "qwen2.5-0.5b";
+            doc["data"]["input"] = config.input[0];
+        } else {
+            JsonArray inputArray = doc["data"]["input"].to<JsonArray>();
+            for (const String& str : config.input) {
+                inputArray.add(str);
+            }
         }
-        doc["data"]["enoutput"]      = config.enoutput;
-        doc["data"]["max_token_len"] = config.max_token_len;
-        doc["data"]["prompt"]        = config.prompt;
         serializeJson(doc, cmd);
     }
 
diff --git a/src/api/api_llm.h b/src/api/api_llm.h
index 28d57d4..27536e9 100644
--- a/src/api/api_llm.h
+++ b/src/api/api_llm.h
@@ -15,6 +15,7 @@ struct ApiLlmSetupConfig_t {
     String response_format    = "llm.utf-8.stream";
     std::vector<String> input = {"llm.utf-8.stream"};
     bool enoutput             = true;
+    bool enkws                = true;
     int max_token_len         = 127;
     // int max_token_len      = 512;
 };
diff --git a/src/api/api_melotts.h b/src/api/api_melotts.h
index 9f97108..9d22e48 100644
--- a/src/api/api_melotts.h
+++ b/src/api/api_melotts.h
@@ -12,7 +12,7 @@ namespace m5_module_llm {
 struct ApiMelottsSetupConfig_t {
     String model              = "melotts_zh-cn";
     String response_format    = "sys.pcm";
-    std::vector<String> input = {"tts.utf-8,stream"};
+    std::vector<String> input = {"tts.utf-8.stream"};
     bool enoutput             = false;
     bool enaudio              = true;
 };
diff --git a/src/api/api_sys.cpp b/src/api/api_sys.cpp
index 3f90b4c..2baaa68 100644
--- a/src/api/api_sys.cpp
+++ b/src/api/api_sys.cpp
@@ -13,8 +13,8 @@ static const char* _cmd_reset =
     "{\"request_id\":\"sys_reset\",\"work_id\":\"sys\",\"action\":\"reset\",\"object\":\"None\",\"data\":\"None\"}";
 static const char* _cmd_reboot =
     "{\"request_id\":\"sys_reboot\",\"work_id\":\"sys\",\"action\":\"reboot\",\"object\":\"None\",\"data\":\"None\"}";
-// static const char* _cmd_ls_mode =
-//     "{\"request_id\":\"sys_lsmode\",\"work_id\":\"sys\",\"action\":\"lsmode\",\"object\":\"None\",\"data\":\"None\"}";
+static const char* _cmd_version =
+    "{\"request_id\":\"sys_version\",\"work_id\":\"sys\",\"action\":\"version\",\"object\":\"None\",\"data\":\"None\"}";
 
 void ApiSys::init(ModuleMsg* moduleMsg)
 {
@@ -29,6 +29,14 @@ int ApiSys::ping()
     return ret;
 }
 
+int ApiSys::version()
+{
+    int ret = MODULE_LLM_WAIT_RESPONSE_TIMEOUT;
+    _module_msg->sendCmdAndWaitToTakeMsg(
+        _cmd_version, "sys_version", [&ret](ResponseMsg_t& msg) { ret = msg.error.code; }, 2000);
+    return ret;
+}
+
 int ApiSys::reset(bool waitResetFinish)
 {
     int ret = MODULE_LLM_WAIT_RESPONSE_TIMEOUT;
diff --git a/src/api/api_sys.h b/src/api/api_sys.h
index 2683d1b..796038b 100644
--- a/src/api/api_sys.h
+++ b/src/api/api_sys.h
@@ -26,6 +26,16 @@ class ApiSys {
      * @param waitResetFinish
      * @return int
      */
+
+    int version();
+
+    /**
+     * @brief Check version
+     *
+     * @param waitCheckFinish
+     * @return int
+     */
+
     int reset(bool waitResetFinish = true);
 
     /**
diff --git a/src/api/api_tts.cpp b/src/api/api_tts.cpp
index 5cfa2e6..332ca3a 100644
--- a/src/api/api_tts.cpp
+++ b/src/api/api_tts.cpp
@@ -4,6 +4,7 @@
  * SPDX-License-Identifier: MIT
  */
 #include "api_tts.h"
+#include "api_version.h"
 
 using namespace m5_module_llm;
 
@@ -23,12 +24,19 @@ String ApiTts::setup(ApiTtsSetupConfig_t config, String request_id)
         doc["object"]                  = "tts.setup";
         doc["data"]["model"]           = config.model;
         doc["data"]["response_format"] = config.response_format;
-        JsonArray inputArray           = doc["data"]["input"].to<JsonArray>();
-        for (const String& str : config.input) {
-            inputArray.add(str);
+        doc["data"]["enoutput"]        = config.enoutput;
+        doc["data"]["enkws"]           = config.enkws;
+        doc["data"]["enaudio"]         = config.enaudio;
+        if (!llm_version) {
+            doc["data"]["response_format"] = "tts.base64.wav";
+            doc["data"]["input"]           = config.input[0];
+            doc["data"]["enoutput"]        = true;
+        } else {
+            JsonArray inputArray = doc["data"]["input"].to<JsonArray>();
+            for (const String& str : config.input) {
+                inputArray.add(str);
+            }
         }
-        doc["data"]["enoutput"] = config.enoutput;
-        doc["data"]["enaudio"]  = config.enaudio;
         serializeJson(doc, cmd);
     }
 
diff --git a/src/api/api_tts.h b/src/api/api_tts.h
index 8016388..6725618 100644
--- a/src/api/api_tts.h
+++ b/src/api/api_tts.h
@@ -12,9 +12,10 @@ namespace m5_module_llm {
 struct ApiTtsSetupConfig_t {
     String model              = "single_speaker_english_fast";
     String response_format    = "sys.pcm";
-    std::vector<String> input = {"tts.utf-8,stream"};
+    std::vector<String> input = {"tts.utf-8.stream"};
     bool enoutput             = false;
     bool enaudio              = true;
+    bool enkws                = true;
 };
 
 class ApiTts {
diff --git a/src/api/api_version.cpp b/src/api/api_version.cpp
new file mode 100644
index 0000000..8cf6244
--- /dev/null
+++ b/src/api/api_version.cpp
@@ -0,0 +1,8 @@
+/*
+ * SPDX-FileCopyrightText: 2024 M5Stack Technology CO LTD
+ *
+ * SPDX-License-Identifier: MIT
+ */
+#include "api_version.h"
+
+int llm_version = 0;
diff --git a/src/api/api_version.h b/src/api/api_version.h
new file mode 100644
index 0000000..64f5758
--- /dev/null
+++ b/src/api/api_version.h
@@ -0,0 +1,8 @@
+/*
+ * SPDX-FileCopyrightText: 2024 M5Stack Technology CO LTD
+ *
+ * SPDX-License-Identifier: MIT
+ */
+#pragma once
+
+extern int llm_version;
diff --git a/src/presets/voice_assistant.cpp b/src/presets/voice_assistant.cpp
index 7b1913c..52d12f6 100644
--- a/src/presets/voice_assistant.cpp
+++ b/src/presets/voice_assistant.cpp
@@ -4,6 +4,7 @@
  * SPDX-License-Identifier: MIT
  */
 #include "../M5ModuleLLM.h"
+#include "../src/api/api_version.h"
 
 using namespace m5_module_llm;
 
@@ -59,11 +60,17 @@ int M5ModuleLLM_VoiceAssistant::begin(String wakeUpKeyword, String prompt)
 
     _debug("setup module tts..");
     {
-        ApiTtsSetupConfig_t config;
-        config.input = {_work_id.llm, _work_id.kws};
-        _work_id.tts = _m5_module_llm->tts.setup(config);
+        if (!llm_version) {
+            ApiTtsSetupConfig_t config;
+            config.input = {_work_id.llm, _work_id.kws};
+            _work_id.tts = _m5_module_llm->tts.setup(config);
+        } else {
+            ApiMelottsSetupConfig_t config;
+            config.input     = {_work_id.llm, _work_id.kws};
+            _work_id.melotts = _m5_module_llm->melotts.setup(config);
+        }
     }
-    if (_work_id.tts.isEmpty()) {
+    if (_work_id.tts.isEmpty() && _work_id.melotts.isEmpty()) {
         return MODULE_LLM_ERROR_NONE;
     }