diff --git a/client/src/queue.rs b/client/src/queue.rs
index d7bbbb0..5b43728 100644
--- a/client/src/queue.rs
+++ b/client/src/queue.rs
@@ -103,6 +103,23 @@ impl<T> SharedQueue<T> {
         })
     }
 
+    pub fn clear(&self) {
+        let mut queue = self.inner.data.lock().unwrap();
+
+        let removed_count = queue.len();
+
+        if removed_count > 0 {
+            queue.clear();
+
+            let prev_pending = self.inner.pending.fetch_sub(removed_count, Ordering::SeqCst);
+
+            if prev_pending == removed_count {
+                self.inner.done_cond.notify_all();
+            }
+
+        }
+    }
+
     /// 阻塞当前线程，直到所有在途任务（pending == 0）全部处理完
     pub fn wait_until_all_consumed(&self) {
         let mut _queue_lock = self.inner.data.lock().unwrap();
diff --git a/client/src/task.rs b/client/src/task.rs
index 760037c..cd00cc1 100644
--- a/client/src/task.rs
+++ b/client/src/task.rs
@@ -55,6 +55,7 @@ pub async fn post_run(
         return Ok(None);
     }
     cnt.reset();
+    queue.clear();
     queue.push_all(tasks);
     Ok(Some(id))
 }