diff --git a/py/nodes/lora_loader.py b/py/nodes/lora_loader.py
index ec287721..aae8d882 100644
--- a/py/nodes/lora_loader.py
+++ b/py/nodes/lora_loader.py
@@ -26,8 +26,8 @@ class LoraManagerLoader:
             "optional": FlexibleOptionalInputType(any_type),
         }
 
-    RETURN_TYPES = ("MODEL", "CLIP", IO.STRING)
-    RETURN_NAMES = ("MODEL", "CLIP", "trigger_words")
+    RETURN_TYPES = ("MODEL", "CLIP", IO.STRING, IO.STRING)
+    RETURN_NAMES = ("MODEL", "CLIP", "trigger_words", "loaded_loras")
     FUNCTION = "load_loras"
 
     async def get_lora_info(self, lora_name):
@@ -95,5 +95,9 @@ class LoraManagerLoader:
         
         # use ',, ' to separate trigger words for group mode
         trigger_words_text = ",, ".join(all_trigger_words) if all_trigger_words else ""
+        
+        # Format loaded_loras as <lora:lora_name:strength> separated by spaces
+        formatted_loras = " ".join([f"<lora:{name.split(':')[0].strip()}:{str(strength).strip()}>" 
+                                  for name, strength in [item.split(':') for item in loaded_loras]])
 
-        return (model, clip, trigger_words_text)
\ No newline at end of file
+        return (model, clip, trigger_words_text, formatted_loras)
\ No newline at end of file
diff --git a/py/nodes/lora_stacker.py b/py/nodes/lora_stacker.py
index 8535ce17..7909cfbf 100644
--- a/py/nodes/lora_stacker.py
+++ b/py/nodes/lora_stacker.py
@@ -80,7 +80,8 @@ class LoraStacker:
                 lora_path, trigger_words = asyncio.run(self.get_lora_info(lora_name))
                 
                 # Add to stack without loading
-                stack.append((lora_path, model_strength, clip_strength))
+                # replace '/' with os.sep to avoid different OS path format
+                stack.append((lora_path.replace('/', os.sep), model_strength, clip_strength))
                 
                 # Add trigger words to collection
                 all_trigger_words.extend(trigger_words)
diff --git a/py/services/download_manager.py b/py/services/download_manager.py
index b5d48d6d..66330a68 100644
--- a/py/services/download_manager.py
+++ b/py/services/download_manager.py
@@ -146,6 +146,9 @@ class DownloadManager:
             # Update the hash index with the new LoRA entry
             self.file_monitor.scanner._hash_index.add_entry(metadata_dict['sha256'], metadata_dict['file_path'])
 
+            # Update the hash index with the new LoRA entry
+            self.file_monitor.scanner._hash_index.add_entry(metadata_dict['sha256'], metadata_dict['file_path'])
+
             # Report 100% completion
             if progress_callback:
                 await progress_callback(100)
diff --git a/py/services/lora_scanner.py b/py/services/lora_scanner.py
index 0fa98485..cb3cfabb 100644
--- a/py/services/lora_scanner.py
+++ b/py/services/lora_scanner.py
@@ -658,7 +658,7 @@ class LoraScanner:
         
     def get_lora_hash_by_path(self, file_path: str) -> Optional[str]:
         """Get hash for a LoRA by its file path"""
-        return self._hash_index.get_hash(file_path)
+        return self._hash_index.get_hash(file_path) 
 
     def get_preview_url_by_hash(self, sha256: str) -> Optional[str]:
         """Get preview static URL for a LoRA by its hash"""
diff --git a/pyproject.toml b/pyproject.toml
index 743dfd97..b93969ad 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,7 +1,7 @@
 [project]
 name = "comfyui-lora-manager"
 description = "LoRA Manager for ComfyUI - Access it at http://localhost:8188/loras for managing LoRA models with previews and metadata integration."
-version = "0.7.38"
+version = "0.7.39"
 license = {file = "LICENSE"}
 dependencies = [
     "aiohttp",