diff --git a/Aria/src/main/java/com/arialyy/aria/core/inf/AbsTarget.java b/Aria/src/main/java/com/arialyy/aria/core/inf/AbsTarget.java
index ea30b47f..ab174537 100644
--- a/Aria/src/main/java/com/arialyy/aria/core/inf/AbsTarget.java
+++ b/Aria/src/main/java/com/arialyy/aria/core/inf/AbsTarget.java
@@ -150,7 +150,21 @@ public abstract class AbsTarget<TARGET extends AbsTarget, ENTITY extends AbsEnti
    * @param header 头部value
    */
   public TARGET addHeader(@NonNull String key, @NonNull String header) {
+    return addHeader(key, header, false);
+  }
+
+  /**
+   * 给url请求添加头部
+   *
+   * @param key 头部key
+   * @param header 头部value
+   * @param refreshHeader 更新数据库中保存的头部信息
+   */
+  public TARGET addHeader(@NonNull String key, @NonNull String header, boolean refreshHeader) {
     mTaskEntity.headers.put(key, header);
+    if (refreshHeader) {
+      mTaskEntity.update();
+    }
     return (TARGET) this;
   }
 
@@ -158,12 +172,24 @@ public abstract class AbsTarget<TARGET extends AbsTarget, ENTITY extends AbsEnti
    * 给url请求添加头部
    */
   public TARGET addHeaders(Map<String, String> headers) {
+    return addHeaders(headers, false);
+  }
+
+  /**
+   * 给url请求添加头部
+   *
+   * @param refreshHeader 更新数据库中保存的头部信息
+   */
+  public TARGET addHeaders(Map<String, String> headers, boolean refreshHeader) {
     if (headers != null && headers.size() > 0) {
       Set<String> keys = headers.keySet();
       for (String key : keys) {
         mTaskEntity.headers.put(key, headers.get(key));
       }
     }
+    if (refreshHeader) {
+      mTaskEntity.update();
+    }
     return (TARGET) this;
   }
 
diff --git a/Aria/src/main/java/com/arialyy/aria/orm/DBConfig.java b/Aria/src/main/java/com/arialyy/aria/orm/DBConfig.java
index 748f063d..d691dec1 100644
--- a/Aria/src/main/java/com/arialyy/aria/orm/DBConfig.java
+++ b/Aria/src/main/java/com/arialyy/aria/orm/DBConfig.java
@@ -34,8 +34,7 @@ import java.util.Map;
 class DBConfig {
   static Map<String, Class> mapping = new HashMap<>();
   static String DB_NAME;
-  //static int VERSION = 16;
-  static int VERSION = 18;
+  static int VERSION = 20;
 
   static {
     if (TextUtils.isEmpty(DB_NAME)) {
diff --git a/Aria/src/main/java/com/arialyy/aria/orm/SqlHelper.java b/Aria/src/main/java/com/arialyy/aria/orm/SqlHelper.java
index e07d7c9a..bc4671c3 100644
--- a/Aria/src/main/java/com/arialyy/aria/orm/SqlHelper.java
+++ b/Aria/src/main/java/com/arialyy/aria/orm/SqlHelper.java
@@ -175,7 +175,8 @@ final class SqlHelper extends SQLiteOpenHelper {
         + " WHERE "
         + column
         + " MATCH '"
-        + mathSql + "'";
+        + mathSql
+        + "'";
 
     Cursor cursor = db.rawQuery(sql, null);
     List<T> data = cursor.getCount() > 0 ? newInstanceEntity(db, clazz, cursor) : null;
@@ -486,8 +487,7 @@ final class SqlHelper extends SQLiteOpenHelper {
         }
         Class<?> type = field.getType();
         sb.append(field.getName());
-        if (type == String.class || type == Map.class || type == List.class || SqlUtil.isOneToOne(
-            field) || type.isEnum()) {
+        if (type == String.class || SqlUtil.isOneToOne(field) || type.isEnum()) {
           sb.append(" varchar");
         } else if (type == int.class || type == Integer.class) {
           sb.append(" interger");
@@ -503,6 +503,8 @@ final class SqlHelper extends SQLiteOpenHelper {
           sb.append(" data");
         } else if (type == byte.class || type == Byte.class) {
           sb.append(" blob");
+        } else if (type == Map.class || type == List.class) {
+          sb.append(" text");
         } else {
           continue;
         }
diff --git a/DEV_LOG.md b/DEV_LOG.md
index b088dc4f..b7753db3 100644
--- a/DEV_LOG.md
+++ b/DEV_LOG.md
@@ -1,6 +1,8 @@
 ## 开发日志
   + v_3.3.8
     - 添加POST支持
+    - 任务执行的过程中，如果调用removeRecord()方法，将会取消任务 https://github.com/AriaLyy/Aria/issues/174
+    - 修复一个数据库初始化的问题 https://github.com/AriaLyy/Aria/issues/173
   + v_3.3.7
     - 修复一个线程重启的问题 https://github.com/AriaLyy/Aria/issues/160
     - 修复配置文件异常问题、格式化速度为0问题 https://github.com/AriaLyy/Aria/issues/161
diff --git a/app/src/main/assets/aria_config.xml b/app/src/main/assets/aria_config.xml
index 7255c73f..92324c01 100644
--- a/app/src/main/assets/aria_config.xml
+++ b/app/src/main/assets/aria_config.xml
@@ -5,7 +5,7 @@
   <download>
 
     <!--设置下载线程，线程下载数改变后，新的下载任务才会生效，如果任务大小小于1m，该设置也不会生效-->
-    <threadNum value="1"/>
+    <threadNum value="3"/>
 
     <!--设置下载队列最大任务数， 默认为2-->
     <maxTaskNum value="2"/>
diff --git a/app/src/main/java/com/arialyy/simple/download/SingleTaskActivity.java b/app/src/main/java/com/arialyy/simple/download/SingleTaskActivity.java
index 14361bff..fd14a025 100644
--- a/app/src/main/java/com/arialyy/simple/download/SingleTaskActivity.java
+++ b/app/src/main/java/com/arialyy/simple/download/SingleTaskActivity.java
@@ -43,6 +43,8 @@ import com.arialyy.simple.R;
 import com.arialyy.simple.base.BaseActivity;
 import com.arialyy.simple.databinding.ActivitySingleBinding;
 import java.io.File;
+import java.util.HashMap;
+import java.util.Map;
 
 public class SingleTaskActivity extends BaseActivity<ActivitySingleBinding> {
 
@@ -59,7 +61,8 @@ public class SingleTaskActivity extends BaseActivity<ActivitySingleBinding> {
   //"http://down8.androidgame-store.com/201706122321/97967927DD4E53D9905ECAA7874C8128/new/game1/19/45319/com.neuralprisma-2.5.2.174-2000174_1494784835.apk?f=web_1";
   //不支持断点的链接
   //"http://ox.konsung.net:5555/ksdc-web/download/downloadFile/?fileName=ksdc_1.0.2.apk&rRange=0-";
-  "http://gdown.baidu.com/data/wisegame/0904344dee4a2d92/QQ_718.apk";
+  //"http://gdown.baidu.com/data/wisegame/0904344dee4a2d92/QQ_718.apk";
+  "http://qudao.5535.cn/one/game.html?game=531&cpsuser=xiaoeryu2";
   @Bind(R.id.start) Button mStart;
   @Bind(R.id.stop) Button mStop;
   @Bind(R.id.cancel) Button mCancel;
@@ -214,11 +217,15 @@ public class SingleTaskActivity extends BaseActivity<ActivitySingleBinding> {
   private void startD(){
     //Aria.get(this).setLogLevel(ALog.LOG_CLOSE);
     //Aria.download(this).load("aaaa.apk");
+    Map<String, String> map = new HashMap<>();
+    map.put("User-Agent", "Mozilla/5.0 (Linux; Android 4.4.4; Nexus 5 Build/KTU84P; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/57.0.2987.132 Mobile MQQBrowser/6.2 TBS/043722 Safari/537.36");
+    map.put("Cookie", "BAIDUID=DFC7EF42C60AD1ACF0BA94389AA67F13:FG=1; H_WISE_SIDS=121192_104493_114745_121434_119046_100098_120212_121140_118882_118858_118850_118820_118792_121254_121534_121214_117588_117242_117431_119974_120597_121043_121422_120943_121175_121272_117552_120482_121013_119962_119145_120851_120841_120034_121325_116407_121109_120654_110085_120708; PSINO=7; BDORZ=AE84CDB3A529C0F8A2B9DCDD1D18B695");
     Aria.download(SingleTaskActivity.this)
         .load(DOWNLOAD_URL)
-        .addHeader("groupName", "value")
-        .setRequestMode(RequestEnum.POST)
-        .setDownloadPath(Environment.getExternalStorageDirectory().getPath() + "/hhhhhhhh.apk")
+        //.addHeader("groupName", "value")
+        .addHeaders(map)
+        //.setRequestMode(RequestEnum.POST)
+        .setDownloadPath(Environment.getExternalStorageDirectory().getPath() + "/ggsg.apk")
         .start();
   }
 
diff --git a/build.gradle b/build.gradle
index dca1776b..c0cc2f4d 100644
--- a/build.gradle
+++ b/build.gradle
@@ -39,7 +39,7 @@ task clean(type: Delete) {
 ext {
   userOrg = 'arialyy'
   groupId = 'com.arialyy.aria'
-  publishVersion = '3.3.7'
+  publishVersion = '3.3.8'
 //  publishVersion = '1.0.3'  //FTP插件
   repoName='maven'
   desc = 'android 下载框架'