diff --git a/services/download_manager.py b/services/download_manager.py
index 4dab4530..010b3d10 100644
--- a/services/download_manager.py
+++ b/services/download_manager.py
@@ -123,7 +123,7 @@ class DownloadManager:
             await cache.resort()
             all_folders = set(cache.folders)
             all_folders.add(relative_path)
-            cache.folders = sorted(list(all_folders))
+            cache.folders = sorted(list(all_folders), key=lambda x: x.lower())
 
             # Report 100% completion
             if progress_callback:
diff --git a/services/file_monitor.py b/services/file_monitor.py
index 1e809935..f1f261b5 100644
--- a/services/file_monitor.py
+++ b/services/file_monitor.py
@@ -120,7 +120,7 @@ class LoraFileHandler(FileSystemEventHandler):
                 
                 # 更新文件夹列表，包括新添加的文件夹
                 all_folders = set(cache.folders) | new_folders
-                cache.folders = sorted(list(all_folders))
+                cache.folders = sorted(list(all_folders), key=lambda x: x.lower())
                 
         except Exception as e:
             logger.error(f"Error in process_changes: {e}")
diff --git a/services/lora_cache.py b/services/lora_cache.py
index 9551ff9c..64a98ed7 100644
--- a/services/lora_cache.py
+++ b/services/lora_cache.py
@@ -28,9 +28,8 @@ class LoraCache:
                     reverse=True
                 )
             # Update folder list
-            self.folders = sorted(list(set(
-                l['folder'] for l in self.raw_data
-            )))
+            all_folders = set(l['folder'] for l in self.raw_data)
+            self.folders = sorted(list(all_folders), key=lambda x: x.lower())
 
     async def update_preview_url(self, file_path: str, preview_url: str) -> bool:
         """Update preview_url for a specific lora in all cached data