diff --git a/AutoDL/autodl_scheduling/entity/instance_pool.py b/AutoDL/autodl_scheduling/entity/instance_pool.py
index e4554c0..6689f06 100644
--- a/AutoDL/autodl_scheduling/entity/instance_pool.py
+++ b/AutoDL/autodl_scheduling/entity/instance_pool.py
@@ -84,22 +84,25 @@ class InstancePool:
         try:
             before=len(self.instances)
             instance_copy = copy.deepcopy(self.instances)
-            flag = False
+            flag = []
             for instance in instance_copy:
                 if instance.active:
                     if (time.time() - instance.last_active_time) > self.timeout:
-                        flag = True
+                        flag.append(instance.uuid)
                         self.intro_threads.append(self.executor.submit(self.remove_instance, instance=instance))
                 else:
                     if (time.time() - instance.last_active_time) > self.scaledown_window:
-                        flag = True
+                        flag.append(instance.uuid)
                         self.intro_threads.append(self.executor.submit(self.remove_instance, instance=instance))
             while len(self.intro_threads) > 0:
                 for t in self.intro_threads:
                     t.result(timeout=self.timeout//2)
                     self.intro_threads.remove(t)
             after = len(self.instances)
-            if flag:
+            for instance in self.instances:
+                if instance.uuid in flag:
+                    raise Exception("Instance[%s] Remove Failed" % instance.uuid)
+            if len(flag) > 0:
                 loguru.logger.info("Instance Num Before Introspecting %d After Introspecting %d" % (before, after))
         except Exception as e:
             loguru.logger.error("Fail to Introspect Instances: %s" % e)
diff --git a/AutoDL/autodl_scheduling/entity/waiting_queue.py b/AutoDL/autodl_scheduling/entity/waiting_queue.py
index 2e7e8e8..3809afa 100644
--- a/AutoDL/autodl_scheduling/entity/waiting_queue.py
+++ b/AutoDL/autodl_scheduling/entity/waiting_queue.py
@@ -11,10 +11,10 @@ class WaitingQueue:
             "video_path": video_path,
             "audio_path": audio_path
         }
-        self.queue.put(data)
+        self.queue.put(data,timeout=10)
 
     def dequeue(self):
-        data = self.queue.get()
+        data = self.queue.get(timeout=10)
         return data["uid"], data["video_path"], data["audio_path"]
 
     def get_size(self):
diff --git a/AutoDL/autodl_scheduling/server.py b/AutoDL/autodl_scheduling/server.py
index 4b903fc..a3da9bd 100644
--- a/AutoDL/autodl_scheduling/server.py
+++ b/AutoDL/autodl_scheduling/server.py
@@ -22,7 +22,7 @@ class Server:
         self.waiting_queue = WaitingQueue()
         self.running_pool = RunningPool()
         #账号限制max_instance不能超过30
-        self.instance_pool = InstancePool(max_instance=3)
+        self.instance_pool = InstancePool(max_instance=2)
         self.result_map = ResultMap()
         self.executor = ThreadPoolExecutor(max_workers=2)
         self.worker_1 = self.executor.submit(self.scaling_worker)
@@ -50,7 +50,11 @@ class Server:
         try:
             return self.result_map.get(uid)
         except:
-            return {"status": "queuing", "msg":""}
+            l = list(self.waiting_queue.queue.queue)
+            for i in l:
+                if i["uid"] == uid:
+                    return {"status": "queuing", "msg":""}
+            return {"status": "not found", "msg":""}
 
     async def get_all_result(self):
         try:
@@ -74,7 +78,7 @@ class Server:
                 # 提交任务
                 self.instance_pool.scale_instance(self.waiting_queue.get_size()+self.running_pool.get_running_size(), disable_shrink=True)
                 for instance in self.instance_pool.instances:
-                    if not instance.active:
+                    if not instance.active and self.waiting_queue.get_size() > 0:
                         # 从等待队列取出任务
                         uid, video_path, audio_path = self.waiting_queue.dequeue()
                         loguru.logger.info("Task[%s] Submitting to Instance[%s]" % (uid, instance.uuid))