diff --git a/CMakeLists.txt b/CMakeLists.txt
index dbf558ce..89391fa7 100755
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -4,7 +4,7 @@
 # CMakeLists in this exact order for cmake to work correctly
 cmake_minimum_required(VERSION 3.16)
 
-set(PROJECT_VER "0.6.2")
+set(PROJECT_VER "0.6.3")
 
 include($ENV{IDF_PATH}/tools/cmake/project.cmake)
 project(xiaozhi)
diff --git a/flash.sh b/flash.sh
new file mode 100755
index 00000000..2b4c2098
--- /dev/null
+++ b/flash.sh
@@ -0,0 +1,2 @@
+#!/bin/sh
+esptool.py -p /dev/ttyACM0 -b 2000000 write_flash 0 releases/v0.6.2_ML307/merged-binary.bin
diff --git a/main/Application.cc b/main/Application.cc
index e8377a80..b75f02ea 100644
--- a/main/Application.cc
+++ b/main/Application.cc
@@ -70,7 +70,6 @@ Application::~Application() {
 
 void Application::CheckNewVersion() {
     // Check if there is a new firmware version available
-    firmware_upgrade_.SetBoardJson(Board::GetInstance().GetJson());
     firmware_upgrade_.CheckVersion();
     if (firmware_upgrade_.HasNewVersion()) {
         // Wait for the chat state to be idle
@@ -196,6 +195,7 @@ void Application::Start() {
     }, "play_audio", 4096 * 4, this, 4, NULL);
 
     board.StartNetwork();
+    firmware_upgrade_.SetPostData(board.GetJson());
     // Blink the LED to indicate the device is running
     builtin_led.SetGreen();
     builtin_led.BlinkOnce();
@@ -445,6 +445,7 @@ void Application::SetChatState(ChatState state) {
 
 BinaryProtocol3* Application::AllocateBinaryProtocol3(const uint8_t* payload, size_t payload_size) {
     auto protocol = (BinaryProtocol3*)heap_caps_malloc(sizeof(BinaryProtocol3) + payload_size, MALLOC_CAP_SPIRAM);
+    assert(protocol != nullptr);
     protocol->type = 0;
     protocol->reserved = 0;
     protocol->payload_size = htons(payload_size);
diff --git a/main/Board.cc b/main/Board.cc
index d0b643ce..42139dff 100644
--- a/main/Board.cc
+++ b/main/Board.cc
@@ -1,8 +1,104 @@
 #include "Board.h"
+#include "SystemInfo.h"
+
 #include <esp_log.h>
+#include <esp_ota_ops.h>
+#include <esp_chip_info.h>
 
 // static const char *TAG = "Board";
 
 bool Board::GetBatteryVoltage(int &voltage, bool& charging) {
     return false;
 }
+
+std::string Board::GetJson() {
+    /* 
+        {
+            "flash_size": 4194304,
+            "psram_size": 0,
+            "minimum_free_heap_size": 123456,
+            "mac_address": "00:00:00:00:00:00",
+            "chip_model_name": "esp32s3",
+            "chip_info": {
+                "model": 1,
+                "cores": 2,
+                "revision": 0,
+                "features": 0
+            },
+            "application": {
+                "name": "my-app",
+                "version": "1.0.0",
+                "compile_time": "2021-01-01T00:00:00Z"
+                "idf_version": "4.2-dev"
+                "elf_sha256": ""
+            },
+            "partition_table": [
+                "app": {
+                    "label": "app",
+                    "type": 1,
+                    "subtype": 2,
+                    "address": 0x10000,
+                    "size": 0x100000
+                }
+            ],
+            "ota": {
+                "label": "ota_0"
+            }
+        }
+    */
+    std::string json = "{";
+    json += "\"flash_size\":" + std::to_string(SystemInfo::GetFlashSize()) + ",";
+    json += "\"minimum_free_heap_size\":" + std::to_string(SystemInfo::GetMinimumFreeHeapSize()) + ",";
+    json += "\"mac_address\":\"" + SystemInfo::GetMacAddress() + "\",";
+    json += "\"chip_model_name\":\"" + SystemInfo::GetChipModelName() + "\",";
+    json += "\"chip_info\":{";
+
+    esp_chip_info_t chip_info;
+    esp_chip_info(&chip_info);
+    json += "\"model\":" + std::to_string(chip_info.model) + ",";
+    json += "\"cores\":" + std::to_string(chip_info.cores) + ",";
+    json += "\"revision\":" + std::to_string(chip_info.revision) + ",";
+    json += "\"features\":" + std::to_string(chip_info.features);
+    json += "},";
+
+    json += "\"application\":{";
+    auto app_desc = esp_app_get_description();
+    json += "\"name\":\"" + std::string(app_desc->project_name) + "\",";
+    json += "\"version\":\"" + std::string(app_desc->version) + "\",";
+    json += "\"compile_time\":\"" + std::string(app_desc->date) + "T" + std::string(app_desc->time) + "Z\",";
+    json += "\"idf_version\":\"" + std::string(app_desc->idf_ver) + "\",";
+
+    char sha256_str[65];
+    for (int i = 0; i < 32; i++) {
+        snprintf(sha256_str + i * 2, sizeof(sha256_str) - i * 2, "%02x", app_desc->app_elf_sha256[i]);
+    }
+    json += "\"elf_sha256\":\"" + std::string(sha256_str) + "\"";
+    json += "},";
+
+    json += "\"partition_table\": [";
+    esp_partition_iterator_t it = esp_partition_find(ESP_PARTITION_TYPE_ANY, ESP_PARTITION_SUBTYPE_ANY, NULL);
+    while (it) {
+        const esp_partition_t *partition = esp_partition_get(it);
+        json += "{";
+        json += "\"label\":\"" + std::string(partition->label) + "\",";
+        json += "\"type\":" + std::to_string(partition->type) + ",";
+        json += "\"subtype\":" + std::to_string(partition->subtype) + ",";
+        json += "\"address\":" + std::to_string(partition->address) + ",";
+        json += "\"size\":" + std::to_string(partition->size);
+        json += "},";
+        it = esp_partition_next(it);
+    }
+    json.pop_back(); // Remove the last comma
+    json += "],";
+
+    json += "\"ota\":{";
+    auto ota_partition = esp_ota_get_running_partition();
+    json += "\"label\":\"" + std::string(ota_partition->label) + "\"";
+    json += "},";
+
+    json += "\"board\":" + GetBoardJson();
+
+    // Close the JSON object
+    json += "}";
+    return json;
+}
diff --git a/main/Board.h b/main/Board.h
index 006331b9..197e94db 100644
--- a/main/Board.h
+++ b/main/Board.h
@@ -27,7 +27,7 @@ public:
     virtual WebSocket* CreateWebSocket() = 0;
     virtual bool GetNetworkState(std::string& network_name, int& signal_quality, std::string& signal_quality_text) = 0;
     virtual bool GetBatteryVoltage(int &voltage, bool& charging);
-    virtual std::string GetJson() = 0;
+    virtual std::string GetJson();
 
 protected:
     Board() = default;
@@ -35,6 +35,7 @@ protected:
 private:
     Board(const Board&) = delete; // 禁用拷贝构造函数
     Board& operator=(const Board&) = delete; // 禁用赋值操作
+    virtual std::string GetBoardJson() = 0;
 };
 
 #define DECLARE_BOARD(BOARD_CLASS_NAME) \
diff --git a/main/BoxAudioDevice.cc b/main/BoxAudioDevice.cc
index 6296c604..5ee4eb38 100644
--- a/main/BoxAudioDevice.cc
+++ b/main/BoxAudioDevice.cc
@@ -40,7 +40,7 @@ void BoxAudioDevice::Initialize() {
         .intr_priority = 0,
         .trans_queue_depth = 0,
         .flags = {
-            .enable_internal_pullup = 1,
+            .enable_internal_pullup = 0,
         },
     };
     ESP_ERROR_CHECK(i2c_new_master_bus(&i2c_bus_cfg, &i2c_master_handle_));
diff --git a/main/CMakeLists.txt b/main/CMakeLists.txt
index b6e0479e..93e435d6 100755
--- a/main/CMakeLists.txt
+++ b/main/CMakeLists.txt
@@ -64,4 +64,6 @@ idf_component_register(SRCS ${SOURCES}
                     )
 
 # 使用 target_compile_definitions 来定义 BOARD_TYPE
-target_compile_definitions(${COMPONENT_LIB} PRIVATE BOARD_TYPE=\"${BOARD_TYPE}\")
\ No newline at end of file
+target_compile_definitions(${COMPONENT_LIB}
+                    PRIVATE BOARD_TYPE=\"${BOARD_TYPE}\"
+                    )
diff --git a/main/Display.cc b/main/Display.cc
index 3137a52b..35904834 100644
--- a/main/Display.cc
+++ b/main/Display.cc
@@ -27,7 +27,7 @@ Display::Display(int sda_pin, int scl_pin) : sda_pin_(sda_pin), scl_pin_(scl_pin
         .intr_priority = 0,
         .trans_queue_depth = 0,
         .flags = {
-            .enable_internal_pullup = 1,
+            .enable_internal_pullup = 0,
         },
     };
 
diff --git a/main/FirmwareUpgrade.cc b/main/FirmwareUpgrade.cc
index 4b29b6bc..396b69cc 100644
--- a/main/FirmwareUpgrade.cc
+++ b/main/FirmwareUpgrade.cc
@@ -5,11 +5,10 @@
 #include <cJSON.h>
 #include <esp_log.h>
 #include <esp_partition.h>
-#include <esp_http_client.h>
 #include <esp_ota_ops.h>
 #include <esp_app_format.h>
-#include <esp_chip_info.h>
 
+#include <cstring>
 #include <vector>
 #include <sstream>
 #include <algorithm>
@@ -31,6 +30,10 @@ void FirmwareUpgrade::SetHeader(const std::string& key, const std::string& value
     headers_[key] = value;
 }
 
+void FirmwareUpgrade::SetPostData(const std::string& post_data) {
+    post_data_ = post_data;
+}
+
 void FirmwareUpgrade::CheckVersion() {
     std::string current_version = esp_app_get_description()->version;
     ESP_LOGI(TAG, "Current version: %s", current_version.c_str());
@@ -46,8 +49,12 @@ void FirmwareUpgrade::CheckVersion() {
     }
 
     http->SetHeader("Content-Type", "application/json");
-    http->SetContent(GetPostData());
-    http->Open("POST", check_version_url_);
+    if (post_data_.length() > 0) {
+        http->SetContent(post_data_);
+        http->Open("POST", check_version_url_);
+    } else {
+        http->Open("GET", check_version_url_);
+    }
 
     auto response = http->GetBody();
     http->Close();
@@ -256,99 +263,3 @@ bool FirmwareUpgrade::IsNewVersionAvailable(const std::string& currentVersion, c
     
     return newer.size() > current.size();
 }
-
-void FirmwareUpgrade::SetBoardJson(const std::string& board_json) {
-    board_json_ = board_json;
-}
-
-std::string FirmwareUpgrade::GetPostData() {
-    /* 
-        {
-            "flash_size": 4194304,
-            "psram_size": 0,
-            "minimum_free_heap_size": 123456,
-            "mac_address": "00:00:00:00:00:00",
-            "chip_model_name": "esp32s3",
-            "chip_info": {
-                "model": 1,
-                "cores": 2,
-                "revision": 0,
-                "features": 0
-            },
-            "application": {
-                "name": "my-app",
-                "version": "1.0.0",
-                "compile_time": "2021-01-01T00:00:00Z"
-                "idf_version": "4.2-dev"
-                "elf_sha256": ""
-            },
-            "partition_table": [
-                "app": {
-                    "label": "app",
-                    "type": 1,
-                    "subtype": 2,
-                    "address": 0x10000,
-                    "size": 0x100000
-                }
-            ],
-            "ota": {
-                "label": "ota_0"
-            }
-        }
-    */
-    std::string json = "{";
-    json += "\"flash_size\":" + std::to_string(SystemInfo::GetFlashSize()) + ",";
-    json += "\"minimum_free_heap_size\":" + std::to_string(SystemInfo::GetMinimumFreeHeapSize()) + ",";
-    json += "\"mac_address\":\"" + SystemInfo::GetMacAddress() + "\",";
-    json += "\"chip_model_name\":\"" + SystemInfo::GetChipModelName() + "\",";
-    json += "\"chip_info\":{";
-
-    esp_chip_info_t chip_info;
-    esp_chip_info(&chip_info);
-    json += "\"model\":" + std::to_string(chip_info.model) + ",";
-    json += "\"cores\":" + std::to_string(chip_info.cores) + ",";
-    json += "\"revision\":" + std::to_string(chip_info.revision) + ",";
-    json += "\"features\":" + std::to_string(chip_info.features);
-    json += "},";
-
-    json += "\"application\":{";
-    auto app_desc = esp_app_get_description();
-    json += "\"name\":\"" + std::string(app_desc->project_name) + "\",";
-    json += "\"version\":\"" + std::string(app_desc->version) + "\",";
-    json += "\"compile_time\":\"" + std::string(app_desc->date) + "T" + std::string(app_desc->time) + "Z\",";
-    json += "\"idf_version\":\"" + std::string(app_desc->idf_ver) + "\",";
-
-    char sha256_str[65];
-    for (int i = 0; i < 32; i++) {
-        snprintf(sha256_str + i * 2, sizeof(sha256_str) - i * 2, "%02x", app_desc->app_elf_sha256[i]);
-    }
-    json += "\"elf_sha256\":\"" + std::string(sha256_str) + "\"";
-    json += "},";
-
-    json += "\"partition_table\": [";
-    esp_partition_iterator_t it = esp_partition_find(ESP_PARTITION_TYPE_ANY, ESP_PARTITION_SUBTYPE_ANY, NULL);
-    while (it) {
-        const esp_partition_t *partition = esp_partition_get(it);
-        json += "{";
-        json += "\"label\":\"" + std::string(partition->label) + "\",";
-        json += "\"type\":" + std::to_string(partition->type) + ",";
-        json += "\"subtype\":" + std::to_string(partition->subtype) + ",";
-        json += "\"address\":" + std::to_string(partition->address) + ",";
-        json += "\"size\":" + std::to_string(partition->size);
-        json += "},";
-        it = esp_partition_next(it);
-    }
-    json.pop_back(); // Remove the last comma
-    json += "],";
-
-    json += "\"ota\":{";
-    auto ota_partition = esp_ota_get_running_partition();
-    json += "\"label\":\"" + std::string(ota_partition->label) + "\"";
-    json += "},";
-
-    json += "\"board\":" + board_json_;
-
-    // Close the JSON object
-    json += "}";
-    return json;
-}
diff --git a/main/FirmwareUpgrade.h b/main/FirmwareUpgrade.h
index c160830e..1d9487fb 100644
--- a/main/FirmwareUpgrade.h
+++ b/main/FirmwareUpgrade.h
@@ -10,9 +10,9 @@ public:
     FirmwareUpgrade();
     ~FirmwareUpgrade();
 
-    void SetBoardJson(const std::string& board_json);
     void SetCheckVersionUrl(std::string check_version_url);
     void SetHeader(const std::string& key, const std::string& value);
+    void SetPostData(const std::string& post_data);
     void CheckVersion();
     bool HasNewVersion() { return has_new_version_; }
     void StartUpgrade(std::function<void(int progress, size_t speed)> callback);
@@ -23,14 +23,13 @@ private:
     bool has_new_version_ = false;
     std::string firmware_version_;
     std::string firmware_url_;
-    std::string board_json_;
+    std::string post_data_;
     std::map<std::string, std::string> headers_;
 
     void Upgrade(const std::string& firmware_url);
     std::function<void(int progress, size_t speed)> upgrade_callback_;
     std::vector<int> ParseVersion(const std::string& version);
     bool IsNewVersionAvailable(const std::string& currentVersion, const std::string& newVersion);
-    std::string GetPostData();
 };
 
 #endif // _FIRMWARE_UPGRADE_H
diff --git a/main/Ml307Board.cc b/main/Ml307Board.cc
index ea7c9604..5d210668 100644
--- a/main/Ml307Board.cc
+++ b/main/Ml307Board.cc
@@ -94,7 +94,7 @@ bool Ml307Board::GetNetworkState(std::string& network_name, int& signal_quality,
     return signal_quality != -1;
 }
 
-std::string Ml307Board::GetJson() {
+std::string Ml307Board::GetBoardJson() {
     // Set the board type for OTA
     std::string board_type = BOARD_TYPE;
     std::string module_name = modem_.GetModuleName();
diff --git a/main/Ml307Board.h b/main/Ml307Board.h
index 9b196e08..0ad71983 100644
--- a/main/Ml307Board.h
+++ b/main/Ml307Board.h
@@ -8,6 +8,7 @@ class Ml307Board : public Board {
 protected:
     Ml307AtModem modem_;
 
+    virtual std::string GetBoardJson() override;
     void StartModem();
 
 public:
@@ -18,7 +19,6 @@ public:
     virtual Http* CreateHttp() override;
     virtual WebSocket* CreateWebSocket() override;
     virtual bool GetNetworkState(std::string& network_name, int& signal_quality, std::string& signal_quality_text) override;
-    virtual std::string GetJson() override;
 };
 
 #endif // ML307_BOARD_H
diff --git a/main/WifiBoard.cc b/main/WifiBoard.cc
index 5b505e7e..b990c773 100644
--- a/main/WifiBoard.cc
+++ b/main/WifiBoard.cc
@@ -87,7 +87,7 @@ bool WifiBoard::GetNetworkState(std::string& network_name, int& signal_quality,
     return signal_quality != -1;
 }
 
-std::string WifiBoard::GetJson() {
+std::string WifiBoard::GetBoardJson() {
     // Set the board type for OTA
     auto& wifi_station = WifiStation::GetInstance();
     std::string board_type = BOARD_TYPE;
diff --git a/main/WifiBoard.h b/main/WifiBoard.h
index 7a717931..f6641095 100644
--- a/main/WifiBoard.h
+++ b/main/WifiBoard.h
@@ -7,13 +7,14 @@ class WifiBoard : public Board {
 protected:
     bool wifi_config_mode_ = false;
 
+    virtual std::string GetBoardJson() override;
+
 public:
     virtual void Initialize() override;
     virtual void StartNetwork() override;
     virtual Http* CreateHttp() override;
     virtual WebSocket* CreateWebSocket() override;
     virtual bool GetNetworkState(std::string& network_name, int& signal_quality, std::string& signal_quality_text) override;
-    virtual std::string GetJson() override;
 };
 
 #endif // WIFI_BOARD_H
diff --git a/main/boards/kevin-box-1/KevinBoxBoard.cc b/main/boards/kevin-box-1/KevinBoxBoard.cc
index ba49e363..127baa52 100644
--- a/main/boards/kevin-box-1/KevinBoxBoard.cc
+++ b/main/boards/kevin-box-1/KevinBoxBoard.cc
@@ -29,7 +29,7 @@ private:
     void Enable4GModule() {
         // Make GPIO15 HIGH to enable the 4G module
         gpio_config_t ml307_enable_config = {
-            .pin_bit_mask = (1ULL << 15),
+            .pin_bit_mask = (1ULL << 15) | (1ULL << 18),
             .mode = GPIO_MODE_OUTPUT,
             .pull_up_en = GPIO_PULLUP_DISABLE,
             .pull_down_en = GPIO_PULLDOWN_DISABLE,
@@ -37,6 +37,7 @@ private:
         };
         gpio_config(&ml307_enable_config);
         gpio_set_level(GPIO_NUM_15, 1);
+        gpio_set_level(GPIO_NUM_18, 1);
     }
 
     virtual void InitializeADC() {
diff --git a/versions.py b/versions.py
index e1a9eb00..ff8cd474 100644
--- a/versions.py
+++ b/versions.py
@@ -60,8 +60,10 @@ def get_board_name(folder):
     if basename.startswith("v0.3") or basename.startswith("v0.4") or basename.startswith("v0.5") or basename.startswith("v0.6"):
         if "ML307" in basename:
             return "bread-compact-ml307"
-        else:
+        elif "WiFi" in basename:
             return "bread-compact-wifi"
+        elif "KevinBox1" in basename:
+            return "kevin-box-1"
     raise Exception(f"Unknown board name: {basename}")
 
 def read_binary(dir_path):