diff --git a/src/main/java/cn/montaro/aria2/Aria2Client.java b/src/main/java/cn/montaro/aria2/Aria2Client.java
index c51d636..0655ace 100644
--- a/src/main/java/cn/montaro/aria2/Aria2Client.java
+++ b/src/main/java/cn/montaro/aria2/Aria2Client.java
@@ -5,7 +5,6 @@ import cn.montaro.aria2.bean.GlobalStat;
 import cn.montaro.aria2.bean.Task;
 import cn.montaro.aria2.bean.TaskFile;
 import cn.montaro.aria2.constants.Aria2MethodName;
-import cn.montaro.aria2.resp.Aria2Status;
 
 import java.util.List;
 import java.util.Map;
@@ -86,10 +85,10 @@ public interface Aria2Client {
     List<Task> tellActive(String... keys);
 
     @Aria2Method(Aria2MethodName.TELL_WAITING)
-    String tellWaiting(int offset, int num, String... keys);
+    List<Task> tellWaiting(int offset, int num, String... keys);
 
     @Aria2Method(Aria2MethodName.TELL_STOPPED)
-    String tellStopped(int offset, int num, String... keys);
+    List<Task> tellStopped(int offset, int num, String... keys);
 
     @Aria2Method(Aria2MethodName.CHANGE_POSITION)
     Integer changePosition(String gid, Integer pos, String how);