diff --git a/app/modules/filemanager/storages/u115.py b/app/modules/filemanager/storages/u115.py
index 6fc940c7..e68ea972 100644
--- a/app/modules/filemanager/storages/u115.py
+++ b/app/modules/filemanager/storages/u115.py
@@ -225,7 +225,7 @@ class U115Pan(StorageBase, metaclass=WeakSingleton):
         retry_times = kwargs.pop("retry_limit", 5)
 
         # qps 速率限制
-        if endpoint in self.qps_limiter.keys():
+        if endpoint in self.qps_limiter:
             self.qps_limiter[endpoint].acquire()
 
         try:
@@ -509,7 +509,7 @@ class U115Pan(StorageBase, metaclass=WeakSingleton):
                     return schemas.FileItem(
                         storage=self.schema.value,
                         fileid=str(info_resp["file_id"]),
-                        path=str(target_path)
+                        path=target_path.as_posix()
                         + ("/" if info_resp["file_category"] == "0" else ""),
                         type="file" if info_resp["file_category"] == "1" else "dir",
                         name=info_resp["file_name"],
diff --git a/app/utils/limit.py b/app/utils/limit.py
index 47008fba..e9a90acd 100644
--- a/app/utils/limit.py
+++ b/app/utils/limit.py
@@ -400,9 +400,10 @@ class QpsRateLimiter:
         """
         获取调用许可，阻塞直到满足速率限制
         """
+        sleep_duration = 0
         with self.lock:
             now = time.monotonic()
-            wait_time = self.next_call_time - now
-            if wait_time > 0:
-                time.sleep(wait_time)
+            sleep_duration = self.next_call_time - now
             self.next_call_time = max(now, self.next_call_time) + self.interval
+        if sleep_duration > 0:
+            time.sleep(sleep_duration)