diff --git a/sync.py b/sync.py
index 7c1b1bd..a8df6d0 100644
--- a/sync.py
+++ b/sync.py
@@ -55,9 +55,9 @@ async def docker_task(source: str, target: str) -> int | None:
 
 semaphore = asyncio.Semaphore(50)
 
-async def limited_task[T: Any](task: Callable[[], Coroutine[None, None, T]]) -> T:
+async def limited_task[T: Any](semaphore: asyncio.Semaphore, task: Callable[[], Coroutine[None, None, T]]) -> T:
     async with semaphore:
-        return await task()
+        return task()
 
 
 async def main():
@@ -75,10 +75,9 @@ async def main():
         if len(image.tags) > 0:
             for tag in image.tags:
                         
-                # 将协程对象添加到任务列表
-                tasks.append(limited_task(docker_task(f"{image.target}:{tag}", f"{image.target}:{tag}")))
+                tasks.append(limited_task(semaphore, docker_task(f"{image.target}:{tag}", f"{image.target}:{tag}")))
         else:
-            tasks.append(limited_task(docker_task(image.source, image.target)))
+            tasks.append(limited_task(semaphore, docker_task(image.source, image.target)))
 
     results = await asyncio.gather(*tasks)
     failed_tasks = 0
@@ -88,7 +87,6 @@ async def main():
     print(f"{len(results)} tasks completed. {len(results) - failed_tasks} succeed, {failed_tasks} failed.")
     if failed_tasks > 0:
         raise Exception(f"{failed_tasks} tasks failed.")
-    
 
 if __name__ == "__main__":
     asyncio.run(main())
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