diff --git a/app/src/main/java/com/iflytop/profilometer/api/ble/BleWebsocketManager.java b/app/src/main/java/com/iflytop/profilometer/api/ble/BleWebsocketManager.java
index 7169617..5885549 100644
--- a/app/src/main/java/com/iflytop/profilometer/api/ble/BleWebsocketManager.java
+++ b/app/src/main/java/com/iflytop/profilometer/api/ble/BleWebsocketManager.java
@@ -14,6 +14,8 @@ import java.util.concurrent.ScheduledExecutorService;
 import java.util.concurrent.ScheduledFuture;
 import java.util.concurrent.TimeUnit;
 
+import cn.hutool.json.JSONUtil;
+
 public class BleWebsocketManager {
     private static BleWebsocketManager instance;
     private final ScheduledExecutorService scheduler = Executors.newScheduledThreadPool(1);
@@ -40,10 +42,10 @@ public class BleWebsocketManager {
         scheduledTask = scheduler.scheduleWithFixedDelay(() -> {
             List<BluetoothDevice> scannedDevices = BleManager.getInstance(context).getScannedDevices();
             List<String> bleList = new ArrayList<>();
-            for(BluetoothDevice bluetoothDevice : scannedDevices){
+            for (BluetoothDevice bluetoothDevice : scannedDevices) {
                 bleList.add(bluetoothDevice.getName() + "_" + bluetoothDevice.getAddress());
             }
-            WebSocketManager.send(GsonUtil.toJson(bleList));
+            WebSocketManager.send(JSONUtil.toJsonStr(bleList));
         }, 2, 2, TimeUnit.SECONDS);
     }
 
diff --git a/app/src/main/java/com/iflytop/profilometer/api/system/SystemApi.java b/app/src/main/java/com/iflytop/profilometer/api/system/SystemApi.java
index dfddaf7..764fb8f 100644
--- a/app/src/main/java/com/iflytop/profilometer/api/system/SystemApi.java
+++ b/app/src/main/java/com/iflytop/profilometer/api/system/SystemApi.java
@@ -2,6 +2,12 @@ package com.iflytop.profilometer.api.system;
 
 import android.content.Context;
 
+import com.iflytop.profilometer.common.constant.SystemConfigType;
+import com.iflytop.profilometer.common.result.Result;
+import com.iflytop.profilometer.dao.SystemConfigDao;
+import com.iflytop.profilometer.model.entity.SystemConfig;
+import com.iflytop.profilometer.model.vo.SystemConfigVO;
+
 /**
  * 系统相关接口
  */
@@ -12,5 +18,27 @@ public class SystemApi {
         this.context = context.getApplicationContext();
     }
 
+    public String config() {
+        SystemConfigDao systemConfigDao = new SystemConfigDao(context);
+        SystemConfig serverConfig = systemConfigDao.getSystemConfigByKey(SystemConfigType.SERVER);
+        SystemConfigVO systemConfigVO = new SystemConfigVO();
+        if (serverConfig != null) {
+            systemConfigVO.setServer(serverConfig.getConfigValue());
+        }
+        return Result.success(systemConfigVO);
+    }
+
+    public String save(String server) {
+        SystemConfigDao systemConfigDao = new SystemConfigDao(context);
+        SystemConfig systemConfig = new SystemConfig();
+        systemConfig.setConfigKey(SystemConfigType.SERVER);
+        systemConfig.setConfigValue(server);
+        int rows = systemConfigDao.updateSystemConfig(systemConfig);
+        if (rows < 1) {
+            systemConfigDao.insertSystemConfig(systemConfig);
+        }
+        return Result.success();
+    }
+
 
 }
diff --git a/app/src/main/java/com/iflytop/profilometer/api/system/SystemRoutes.kt b/app/src/main/java/com/iflytop/profilometer/api/system/SystemRoutes.kt
index 4cac8f3..18f27e0 100644
--- a/app/src/main/java/com/iflytop/profilometer/api/system/SystemRoutes.kt
+++ b/app/src/main/java/com/iflytop/profilometer/api/system/SystemRoutes.kt
@@ -1,6 +1,11 @@
 package com.iflytop.profilometer.api.system
 
 import android.content.Context
+import cn.hutool.json.JSONUtil
+import io.ktor.http.ContentType
+import io.ktor.server.application.call
+import io.ktor.server.request.receiveText
+import io.ktor.server.response.respondText
 import io.ktor.server.routing.Routing
 import io.ktor.server.routing.post
 
@@ -11,12 +16,19 @@ fun Routing.systemRoutes(context: Context) {
      * 获取系统设置
      */
     post("/api/system/config") {
+        val jsonResponse = api.config()
+        call.respondText(jsonResponse, ContentType.Application.Json)
     }
 
     /**
      * 保存系统设置
      */
     post("/api/system/config/save") {
+        val requestBody = call.receiveText()
+        val jsonObj = JSONUtil.parseObj(requestBody)
+        val server = jsonObj.getStr("server")
+        val jsonResponse = api.save(server)
+        call.respondText(jsonResponse, ContentType.Application.Json)
     }
 }
 
diff --git a/app/src/main/java/com/iflytop/profilometer/common/constant/SystemConfigType.java b/app/src/main/java/com/iflytop/profilometer/common/constant/SystemConfigType.java
new file mode 100644
index 0000000..2bef4d2
--- /dev/null
+++ b/app/src/main/java/com/iflytop/profilometer/common/constant/SystemConfigType.java
@@ -0,0 +1,5 @@
+package com.iflytop.profilometer.common.constant;
+
+public class SystemConfigType {
+    public static final String SERVER = "sync_server";
+}
diff --git a/app/src/main/java/com/iflytop/profilometer/common/result/Result.java b/app/src/main/java/com/iflytop/profilometer/common/result/Result.java
index e9511ab..123c628 100644
--- a/app/src/main/java/com/iflytop/profilometer/common/result/Result.java
+++ b/app/src/main/java/com/iflytop/profilometer/common/result/Result.java
@@ -4,6 +4,8 @@ package com.iflytop.profilometer.common.result;
 import java.util.HashMap;
 import java.util.Map;
 
+import cn.hutool.json.JSONUtil;
+
 public final class Result {
     private Result() {
     }
@@ -15,7 +17,7 @@ public final class Result {
         Map<String, Object> resultMap = new HashMap<>();
         resultMap.put("success", true);
         resultMap.put("data", data);
-        return GsonUtil.toJson(resultMap);
+        return JSONUtil.toJsonStr(resultMap);
     }
 
     /**
@@ -33,7 +35,7 @@ public final class Result {
         resultMap.put("success", false);
         resultMap.put("data", data);
         resultMap.put("message", message == null ? "请求失败" : message);
-        return GsonUtil.toJson(resultMap);
+        return JSONUtil.toJsonStr(resultMap);
     }
 
 
diff --git a/app/src/main/java/com/iflytop/profilometer/dao/SystemConfigDao.java b/app/src/main/java/com/iflytop/profilometer/dao/SystemConfigDao.java
index bc6b728..bfe0ab9 100644
--- a/app/src/main/java/com/iflytop/profilometer/dao/SystemConfigDao.java
+++ b/app/src/main/java/com/iflytop/profilometer/dao/SystemConfigDao.java
@@ -41,9 +41,8 @@ public class SystemConfigDao {
         SQLiteDatabase db = dbHelper.getWritableDatabase();
         ContentValues values = new ContentValues();
         values.put("update_time", getCurrentTime());
-        values.put("config_key", config.getConfigKey());
         values.put("config_value", config.getConfigValue());
-        int rows = db.update(MyDatabaseHelper.TABLE_SYSTEM_CONFIG, values, "id = ?", new String[]{String.valueOf(config.getId())});
+        int rows = db.update(MyDatabaseHelper.TABLE_SYSTEM_CONFIG, values, "config_key = ?", new String[]{String.valueOf(config.getConfigKey())});
         db.close();
         return rows;
     }
diff --git a/app/src/main/java/com/iflytop/profilometer/model/vo/SystemConfigVO.java b/app/src/main/java/com/iflytop/profilometer/model/vo/SystemConfigVO.java
new file mode 100644
index 0000000..956b113
--- /dev/null
+++ b/app/src/main/java/com/iflytop/profilometer/model/vo/SystemConfigVO.java
@@ -0,0 +1,13 @@
+package com.iflytop.profilometer.model.vo;
+
+public class SystemConfigVO {
+    private String server;
+
+    public String getServer() {
+        return server;
+    }
+
+    public void setServer(String server) {
+        this.server = server;
+    }
+}