diff --git a/app/src/main/java/com/iflytop/profilometer/core/db/helper/MyDatabaseHelper.java b/app/src/main/java/com/iflytop/profilometer/core/db/helper/MyDatabaseHelper.java
index b43d400..491ad27 100644
--- a/app/src/main/java/com/iflytop/profilometer/core/db/helper/MyDatabaseHelper.java
+++ b/app/src/main/java/com/iflytop/profilometer/core/db/helper/MyDatabaseHelper.java
@@ -7,7 +7,7 @@ import android.database.sqlite.SQLiteOpenHelper;
 public class MyDatabaseHelper extends SQLiteOpenHelper {
 
     private static final String DATABASE_NAME = "app.db";
-    private static final int DATABASE_VERSION = 4; // 数据库版本升级
+    private static final int DATABASE_VERSION = 1; // 升级版本号
 
     // 表名
     public static final String TABLE_APP_USER = "app_user";
@@ -15,6 +15,7 @@ public class MyDatabaseHelper extends SQLiteOpenHelper {
     public static final String TABLE_PROFILE_RECORD_POINT_SET = "profile_record_point_set";
     public static final String TABLE_BASE_PROFILE_RECORD_POINT_SET = "base_profile_record_point_set";
     public static final String TABLE_SYSTEM_CONFIG = "system_config";
+    public static final String TABLE_SYNC_TASK = "sync_task"; // 同步任务表
 
     // 用户表建表语句
     private static final String CREATE_TABLE_APP_USER =
@@ -77,6 +78,23 @@ public class MyDatabaseHelper extends SQLiteOpenHelper {
                     + "update_time TIMESTAMP DEFAULT CURRENT_TIMESTAMP"
                     + ");";
 
+    // 同步任务表建表语句，表结构与 profile_record_description 相同，增加 syncStatus 字段
+    private static final String CREATE_TABLE_SYNC_TASK =
+            "CREATE TABLE IF NOT EXISTS " + TABLE_SYNC_TASK + " ("
+                    + "id INTEGER PRIMARY KEY AUTOINCREMENT, "
+                    + "create_time TEXT, "
+                    + "update_time TEXT, "
+                    + "uuid TEXT, "
+                    + "operator_name TEXT, "
+                    + "track_shape_code TEXT, "
+                    + "verification_method_code TEXT, "
+                    + "name TEXT NOT NULL, "
+                    + "line_name TEXT, "
+                    + "location TEXT, "
+                    + "direction TEXT, "
+                    + "sync_status TEXT"
+                    + ");";
+
     public MyDatabaseHelper(Context context) {
         super(context, DATABASE_NAME, null, DATABASE_VERSION);
     }
@@ -88,6 +106,7 @@ public class MyDatabaseHelper extends SQLiteOpenHelper {
         db.execSQL(CREATE_TABLE_PROFILE_RECORD_POINT_SET);
         db.execSQL(CREATE_TABLE_BASE_PROFILE_RECORD_POINT_SET);
         db.execSQL(CREATE_TABLE_SYSTEM_CONFIG);
+        db.execSQL(CREATE_TABLE_SYNC_TASK);
     }
 
     @Override
@@ -98,6 +117,7 @@ public class MyDatabaseHelper extends SQLiteOpenHelper {
         db.execSQL("DROP TABLE IF EXISTS " + TABLE_PROFILE_RECORD_POINT_SET);
         db.execSQL("DROP TABLE IF EXISTS " + TABLE_BASE_PROFILE_RECORD_POINT_SET);
         db.execSQL("DROP TABLE IF EXISTS " + TABLE_SYSTEM_CONFIG);
+        db.execSQL("DROP TABLE IF EXISTS " + TABLE_SYNC_TASK);
         onCreate(db);
     }
 }
diff --git a/app/src/main/java/com/iflytop/profilometer/dao/SyncTaskDao.java b/app/src/main/java/com/iflytop/profilometer/dao/SyncTaskDao.java
new file mode 100644
index 0000000..817421f
--- /dev/null
+++ b/app/src/main/java/com/iflytop/profilometer/dao/SyncTaskDao.java
@@ -0,0 +1,140 @@
+package com.iflytop.profilometer.dao;
+
+import android.annotation.SuppressLint;
+import android.content.ContentValues;
+import android.content.Context;
+import android.database.Cursor;
+import android.database.sqlite.SQLiteDatabase;
+
+import com.iflytop.profilometer.core.db.helper.MyDatabaseHelper;
+import com.iflytop.profilometer.model.entity.SyncTask;
+
+import java.text.SimpleDateFormat;
+import java.util.ArrayList;
+import java.util.Date;
+import java.util.List;
+import java.util.Locale;
+
+public class SyncTaskDao {
+    private final MyDatabaseHelper dbHelper;
+
+    public SyncTaskDao(Context context) {
+        dbHelper = new MyDatabaseHelper(context);
+    }
+
+    // 插入同步任务记录
+    public long insertSyncTask(SyncTask task) {
+        SQLiteDatabase db = dbHelper.getWritableDatabase();
+        ContentValues values = new ContentValues();
+        String currentTime = getCurrentTime();
+        values.put("create_time", currentTime);
+        values.put("update_time", currentTime);
+        values.put("uuid", task.getUuid());
+        values.put("operator_name", task.getOperatorName());
+        values.put("track_shape_code", task.getTrackShapeCode());
+        values.put("verification_method_code", task.getVerificationMethodCode());
+        values.put("name", task.getName());
+        values.put("line_name", task.getLineName());
+        values.put("location", task.getLocation());
+        values.put("direction", task.getDirection());
+        values.put("sync_status", task.getSyncStatus());
+        long id = db.insert(MyDatabaseHelper.TABLE_SYNC_TASK, null, values);
+        db.close();
+        return id;
+    }
+
+    // 更新同步任务记录
+    public int updateSyncTask(SyncTask task) {
+        SQLiteDatabase db = dbHelper.getWritableDatabase();
+        ContentValues values = new ContentValues();
+        values.put("update_time", getCurrentTime());
+        values.put("uuid", task.getUuid());
+        values.put("operator_name", task.getOperatorName());
+        values.put("track_shape_code", task.getTrackShapeCode());
+        values.put("verification_method_code", task.getVerificationMethodCode());
+        values.put("name", task.getName());
+        values.put("line_name", task.getLineName());
+        values.put("location", task.getLocation());
+        values.put("direction", task.getDirection());
+        values.put("sync_status", task.getSyncStatus());
+        int rows = db.update(MyDatabaseHelper.TABLE_SYNC_TASK, values, "id = ?", new String[]{String.valueOf(task.getId())});
+        db.close();
+        return rows;
+    }
+
+    // 删除指定的同步任务记录
+    public int deleteSyncTask(long id) {
+        SQLiteDatabase db = dbHelper.getWritableDatabase();
+        int rows = db.delete(MyDatabaseHelper.TABLE_SYNC_TASK, "id = ?", new String[]{String.valueOf(id)});
+        db.close();
+        return rows;
+    }
+
+    // 清空同步任务表数据
+    public int clearSyncTasks() {
+        SQLiteDatabase db = dbHelper.getWritableDatabase();
+        int rows = db.delete(MyDatabaseHelper.TABLE_SYNC_TASK, null, null);
+        db.close();
+        return rows;
+    }
+
+    // 查询所有同步任务记录
+    @SuppressLint("Range")
+    public List<SyncTask> getAllSyncTasks() {
+        List<SyncTask> list = new ArrayList<>();
+        SQLiteDatabase db = dbHelper.getReadableDatabase();
+        Cursor cursor = db.query(MyDatabaseHelper.TABLE_SYNC_TASK, null, null, null, null, null, "id DESC");
+        if (cursor.moveToFirst()) {
+            do {
+                SyncTask task = new SyncTask();
+                task.setId(cursor.getLong(cursor.getColumnIndex("id")));
+                task.setUuid(cursor.getString(cursor.getColumnIndex("uuid")));
+                task.setOperatorName(cursor.getString(cursor.getColumnIndex("operator_name")));
+                task.setTrackShapeCode(cursor.getString(cursor.getColumnIndex("track_shape_code")));
+                task.setVerificationMethodCode(cursor.getString(cursor.getColumnIndex("verification_method_code")));
+                task.setName(cursor.getString(cursor.getColumnIndex("name")));
+                task.setLineName(cursor.getString(cursor.getColumnIndex("line_name")));
+                task.setLocation(cursor.getString(cursor.getColumnIndex("location")));
+                task.setDirection(cursor.getString(cursor.getColumnIndex("direction")));
+                task.setSyncStatus(cursor.getString(cursor.getColumnIndex("sync_status")));
+                task.setCreateTime(cursor.getString(cursor.getColumnIndex("create_time")));
+                task.setUpdateTime(cursor.getString(cursor.getColumnIndex("update_time")));
+                list.add(task);
+            } while (cursor.moveToNext());
+            cursor.close();
+        }
+        db.close();
+        return list;
+    }
+
+    // 根据 id 查询同步任务记录
+    @SuppressLint("Range")
+    public SyncTask getSyncTaskById(long id) {
+        SQLiteDatabase db = dbHelper.getReadableDatabase();
+        Cursor cursor = db.query(MyDatabaseHelper.TABLE_SYNC_TASK, null, "id = ?", new String[]{String.valueOf(id)}, null, null, null);
+        SyncTask task = null;
+        if (cursor.moveToFirst()) {
+            task = new SyncTask();
+            task.setId(cursor.getLong(cursor.getColumnIndex("id")));
+            task.setUuid(cursor.getString(cursor.getColumnIndex("uuid")));
+            task.setOperatorName(cursor.getString(cursor.getColumnIndex("operator_name")));
+            task.setTrackShapeCode(cursor.getString(cursor.getColumnIndex("track_shape_code")));
+            task.setVerificationMethodCode(cursor.getString(cursor.getColumnIndex("verification_method_code")));
+            task.setName(cursor.getString(cursor.getColumnIndex("name")));
+            task.setLineName(cursor.getString(cursor.getColumnIndex("line_name")));
+            task.setLocation(cursor.getString(cursor.getColumnIndex("location")));
+            task.setDirection(cursor.getString(cursor.getColumnIndex("direction")));
+            task.setSyncStatus(cursor.getString(cursor.getColumnIndex("sync_status")));
+            task.setCreateTime(cursor.getString(cursor.getColumnIndex("create_time")));
+            task.setUpdateTime(cursor.getString(cursor.getColumnIndex("update_time")));
+            cursor.close();
+        }
+        db.close();
+        return task;
+    }
+
+    private String getCurrentTime() {
+        SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss", Locale.getDefault());
+        return sdf.format(new Date());
+    }
+}
diff --git a/app/src/main/java/com/iflytop/profilometer/model/entity/SyncTask.java b/app/src/main/java/com/iflytop/profilometer/model/entity/SyncTask.java
new file mode 100644
index 0000000..247c791
--- /dev/null
+++ b/app/src/main/java/com/iflytop/profilometer/model/entity/SyncTask.java
@@ -0,0 +1,70 @@
+package com.iflytop.profilometer.model.entity;
+
+import com.iflytop.profilometer.common.base.BaseEntity;
+
+public class SyncTask extends BaseEntity {
+    private String uuid;
+    private String operatorName;
+    private String trackShapeCode;
+    private String verificationMethodCode;
+    private String name;
+    private String lineName;
+    private String location;
+    private String direction;
+    private String syncStatus; // 同步状态字段
+
+    public String getUuid() {
+        return uuid;
+    }
+    public void setUuid(String uuid) {
+        this.uuid = uuid;
+    }
+    public String getOperatorName() {
+        return operatorName;
+    }
+    public void setOperatorName(String operatorName) {
+        this.operatorName = operatorName;
+    }
+    public String getTrackShapeCode() {
+        return trackShapeCode;
+    }
+    public void setTrackShapeCode(String trackShapeCode) {
+        this.trackShapeCode = trackShapeCode;
+    }
+    public String getVerificationMethodCode() {
+        return verificationMethodCode;
+    }
+    public void setVerificationMethodCode(String verificationMethodCode) {
+        this.verificationMethodCode = verificationMethodCode;
+    }
+    public String getName() {
+        return name;
+    }
+    public void setName(String name) {
+        this.name = name;
+    }
+    public String getLineName() {
+        return lineName;
+    }
+    public void setLineName(String lineName) {
+        this.lineName = lineName;
+    }
+    public String getLocation() {
+        return location;
+    }
+    public void setLocation(String location) {
+        this.location = location;
+    }
+    public String getDirection() {
+        return direction;
+    }
+    public void setDirection(String direction) {
+        this.direction = direction;
+    }
+    public String getSyncStatus() {
+        return syncStatus;
+    }
+    public void setSyncStatus(String syncStatus) {
+        this.syncStatus = syncStatus;
+    }
+}