diff --git a/Aria/src/main/java/com/arialyy/aria/core/common/AbsFileer.java b/Aria/src/main/java/com/arialyy/aria/core/common/AbsFileer.java
index 54690796..78220724 100644
--- a/Aria/src/main/java/com/arialyy/aria/core/common/AbsFileer.java
+++ b/Aria/src/main/java/com/arialyy/aria/core/common/AbsFileer.java
@@ -63,6 +63,7 @@ public abstract class AbsFileer<ENTITY extends AbsNormalEntity, TASK_ENTITY exte
    */
   private static final long SUB_LEN = 1024 * 1024;
   private Timer mTimer;
+  private long mUpdateInterval = 1000;
 
   protected AbsFileer(IEventListener listener, TASK_ENTITY taskEntity) {
     mListener = listener;
@@ -145,7 +146,7 @@ public abstract class AbsFileer<ENTITY extends AbsNormalEntity, TASK_ENTITY exte
           mListener.onProgress(mConstance.CURRENT_LOCATION);
         }
       }
-    }, 0, 1000);
+    }, 0, mUpdateInterval);
   }
 
   protected void closeTimer() {
@@ -156,6 +157,20 @@ public abstract class AbsFileer<ENTITY extends AbsNormalEntity, TASK_ENTITY exte
     }
   }
 
+  /**
+   * 设置定时器更新间隔
+   *
+   * @param interval 单位毫秒，不能小于0
+   */
+  protected long setUpdateInterval(long interval) {
+    if (interval < 0) {
+      ALog.w(TAG, "更新间隔不能小于0，默认为1000毫秒");
+      return 1000;
+    }
+    mUpdateInterval = interval;
+    return interval;
+  }
+
   @Override public long getFileSize() {
     return mEntity.getFileSize();
   }
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 e0884fb1..c3dd262b 100644
--- a/Aria/src/main/java/com/arialyy/aria/orm/SqlHelper.java
+++ b/Aria/src/main/java/com/arialyy/aria/orm/SqlHelper.java
@@ -200,7 +200,7 @@ final class SqlHelper extends SQLiteOpenHelper {
     sql = sql.replace("?", "%s");
     Object[] params = new String[expression.length - 1];
     for (int i = 0, len = params.length; i < len; i++) {
-      params[i] = "'" + expression[i + 1] + "'";
+      params[i] = "\"" + expression[i + 1] + "\"";
     }
     sql = String.format(sql, params);
     print(FIND_DATA, sql);
@@ -223,7 +223,7 @@ final class SqlHelper extends SQLiteOpenHelper {
     sql = sql.replace("?", "%s");
     Object[] params = new String[expression.length - 1];
     for (int i = 0, len = params.length; i < len; i++) {
-      params[i] = "'" + expression[i + 1] + "'";
+      params[i] = "\"" + expression[i + 1] + "\"";
     }
     sql = String.format(sql, params);
     print(FIND_DATA, sql);
@@ -265,7 +265,7 @@ final class SqlHelper extends SQLiteOpenHelper {
     sb.append("SELECT rowid, * FROM ").append(CommonUtil.getClassName(clazz)).append(" where ");
     int i = 0;
     for (Object where : wheres) {
-      sb.append(where).append("=").append("'").append(values[i]).append("'");
+      sb.append(where).append("=").append("\"").append(values[i]).append("\"");
       sb.append(i >= wheres.length - 1 ? "" : " AND ");
       i++;
     }
@@ -315,7 +315,7 @@ final class SqlHelper extends SQLiteOpenHelper {
     sql = sql.replace("?", "%s");
     Object[] params = new String[expression.length - 1];
     for (int i = 0, len = params.length; i < len; i++) {
-      params[i] = "'" + expression[i + 1] + "'";
+      params[i] = "\"" + expression[i + 1] + "\"";
     }
     sql = String.format(sql, params);
     SqlHelper.print(DEL_DATA, sql);
@@ -350,7 +350,7 @@ final class SqlHelper extends SQLiteOpenHelper {
           //sb.append(field.getName()).append("='");
           String value;
           prams.append(i > 0 ? ", " : "");
-          prams.append(field.getName()).append("='");
+          prams.append(field.getName()).append("=\"");
           Type type = field.getType();
           if (type == Map.class) {
             value = SqlUtil.map2Str((Map<String, String>) field.get(dbEntity));
@@ -370,7 +370,7 @@ final class SqlHelper extends SQLiteOpenHelper {
           //sb.append(value == null ? "" : value);
           //sb.append("'");
           prams.append(TextUtils.isEmpty(value) ? "" : value);
-          prams.append("'");
+          prams.append("\"");
         } catch (IllegalAccessException e) {
           e.printStackTrace();
         }
@@ -415,7 +415,7 @@ final class SqlHelper extends SQLiteOpenHelper {
             continue;
           }
           sb.append(i > 0 ? ", " : "");
-          sb.append("'");
+          sb.append("\"");
           Type type = field.getType();
           if (type == Map.class) {
             sb.append(SqlUtil.map2Str((Map<String, String>) field.get(dbEntity)));
@@ -430,7 +430,7 @@ final class SqlHelper extends SQLiteOpenHelper {
           } else {
             sb.append(field.get(dbEntity));
           }
-          sb.append("'");
+          sb.append("\"");
           i++;
         }
       } catch (IllegalAccessException e) {
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 4ae8dae5..d6b07b78 100644
--- a/app/src/main/java/com/arialyy/simple/download/SingleTaskActivity.java
+++ b/app/src/main/java/com/arialyy/simple/download/SingleTaskActivity.java
@@ -62,7 +62,8 @@ public class SingleTaskActivity extends BaseActivity<ActivitySingleBinding> {
   //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://qudao.5535.cn/one/game.html?game=531&cpsuser=xiaoeryu2";
+  //"http://qudao.5535.cn/one/game.html?game=531&cpsuser=xiaoeryu2";
+  "https://bogoe-res.mytbz.com/tbzengsong/If You're Happy.mp3";
   @Bind(R.id.start) Button mStart;
   @Bind(R.id.stop) Button mStop;
   @Bind(R.id.cancel) Button mCancel;