Update app.py

app.py

@@ -188,11 +188,26 @@ def run_lora(
                 if adapter_names:
                     pipe.set_adapters(adapter_names, adapter_weights=adapter_weights)
                     # 可选：融合后推理更快，但无法动态调整权重
-                    pipe.fuse_lora(adapter_names=adapter_names)
+                    # pipe.fuse_lora(adapter_names=adapter_names)
+                    try:
+                        active = pipe.get_active_adapters() if hasattr(pipe, "get_active_adapters") else []
+                        print("Active adapters:", active)
+                    except Exception as e:
+                        print("Active adapters query failed:", e)
+                    
+                    lora_layer_count = 0
+                    for name, module in pipe.transformer.named_modules():
+                        attrs = dir(module)
+                        if any(a.startswith("lora_") for a in attrs) or "lora" in module.__class__.__name__.lower():
+                            lora_layer_count += 1
+                    print(f"[DEBUG] transformer LoRA layers: {lora_layer_count}")
+                    
+                    # 若层数为 0，给出直观警告
+                    if lora_layer_count == 0:
+                        gr.Warning("LoRA seems not injected (0 layers on transformer). Check whether the LoRA is trained for FLUX and `prefix=None` is set.")
 
-    pipe.enable_vae_slicing()
 
- 
+    pipe.enable_vae_slicing()
     clip_side_prompt = safe_trim_for_clip(prompt, max_words=77) 
     init_image = None
     error_message = ""